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<?php
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namespace Safe;
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use Safe\Exceptions\StringsException;
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/**
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* convert_uudecode decodes a uuencoded string.
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*
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* @param string $data The uuencoded data.
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* @return string Returns the decoded data as a string.
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* @throws StringsException
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*
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*/
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function convert_uudecode(string $data): string
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{
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error_clear_last();
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$result = \convert_uudecode($data);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* convert_uuencode encodes a string using the uuencode
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* algorithm.
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*
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* Uuencode translates all strings (including binary data) into printable
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* characters, making them safe for network transmissions. Uuencoded data is
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* about 35% larger than the original.
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*
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* @param string $data The data to be encoded.
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* @return string Returns the uuencoded data.
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* @throws StringsException
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*
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*/
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function convert_uuencode(string $data): string
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{
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error_clear_last();
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$result = \convert_uuencode($data);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Decodes a hexadecimally encoded binary string.
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*
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* @param string $data Hexadecimal representation of data.
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* @return string Returns the binary representation of the given data.
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* @throws StringsException
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*
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*/
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function hex2bin(string $data): string
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{
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error_clear_last();
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$result = \hex2bin($data);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Calculates the MD5 hash of the file specified by the
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* filename parameter using the
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* RSA Data Security, Inc.
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* MD5 Message-Digest Algorithm, and returns that hash.
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* The hash is a 32-character hexadecimal number.
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*
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* @param string $filename The filename
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* @param bool $raw_output When TRUE, returns the digest in raw binary format with a length of
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* 16.
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* @return string Returns a string on success, FALSE otherwise.
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* @throws StringsException
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*
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*/
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function md5_file(string $filename, bool $raw_output = false): string
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{
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error_clear_last();
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$result = \md5_file($filename, $raw_output);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Calculates the metaphone key of str.
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*
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* Similar to soundex metaphone creates the same key for
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* similar sounding words. It's more accurate than
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* soundex as it knows the basic rules of English
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* pronunciation. The metaphone generated keys are of variable length.
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*
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* Metaphone was developed by Lawrence Philips
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* <lphilips at verity dot com>. It is described in ["Practical
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* Algorithms for Programmers", Binstock & Rex, Addison Wesley,
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* 1995].
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*
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* @param string $str The input string.
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* @param int $phonemes This parameter restricts the returned metaphone key to
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* phonemes characters in length.
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* The default value of 0 means no restriction.
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* @return string Returns the metaphone key as a string.
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* @throws StringsException
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*
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*/
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function metaphone(string $str, int $phonemes = 0): string
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{
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error_clear_last();
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$result = \metaphone($str, $phonemes);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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*
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*
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* @param string $filename The filename of the file to hash.
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* @param bool $raw_output When TRUE, returns the digest in raw binary format with a length of
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* 20.
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* @return string Returns a string on success, FALSE otherwise.
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* @throws StringsException
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*
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*/
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function sha1_file(string $filename, bool $raw_output = false): string
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{
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error_clear_last();
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$result = \sha1_file($filename, $raw_output);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Calculates the soundex key of str.
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*
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* Soundex keys have the property that words pronounced similarly
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* produce the same soundex key, and can thus be used to simplify
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* searches in databases where you know the pronunciation but not
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* the spelling. This soundex function returns a string 4 characters
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* long, starting with a letter.
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*
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* This particular soundex function is one described by Donald Knuth
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* in "The Art Of Computer Programming, vol. 3: Sorting And
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* Searching", Addison-Wesley (1973), pp. 391-392.
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*
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* @param string $str The input string.
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* @return string Returns the soundex key as a string.
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* @throws StringsException
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*
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*/
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function soundex(string $str): string
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{
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error_clear_last();
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$result = \soundex($str);
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if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Returns a string produced according to the formatting string
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* format.
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*
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* @param string $format The format string is composed of zero or more directives:
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* ordinary characters (excluding %) that are
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* copied directly to the result and conversion
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* specifications, each of which results in fetching its
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* own parameter.
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*
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* A conversion specification follows this prototype:
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* %[argnum$][flags][width][.precision]specifier.
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*
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* An integer followed by a dollar sign $,
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* to specify which number argument to treat in the conversion.
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*
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*
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* Flags
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*
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*
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*
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* Flag
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* Description
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*
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*
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*
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*
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* -
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*
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* Left-justify within the given field width;
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* Right justification is the default
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*
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*
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*
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* +
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*
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* Prefix positive numbers with a plus sign
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* +; Default only negative
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* are prefixed with a negative sign.
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*
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*
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*
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* (space)
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*
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* Pads the result with spaces.
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* This is the default.
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*
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*
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*
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* 0
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*
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* Only left-pads numbers with zeros.
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* With s specifiers this can
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* also right-pad with zeros.
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*
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*
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*
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* '(char)
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*
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* Pads the result with the character (char).
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*
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*
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*
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*
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*
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*
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* An integer that says how many characters (minimum)
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* this conversion should result in.
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*
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* A period . followed by an integer
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* who's meaning depends on the specifier:
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*
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*
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*
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* For e, E,
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* f and F
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* specifiers: this is the number of digits to be printed
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* after the decimal point (by default, this is 6).
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*
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*
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*
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*
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* For g and G
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* specifiers: this is the maximum number of significant
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* digits to be printed.
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*
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*
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*
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*
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* For s specifier: it acts as a cutoff point,
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* setting a maximum character limit to the string.
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*
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*
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*
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*
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*
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* If the period is specified without an explicit value for precision,
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* 0 is assumed.
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*
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*
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*
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*
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* Specifiers
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*
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*
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*
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* Specifier
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* Description
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*
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*
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*
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*
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* %
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*
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* A literal percent character. No argument is required.
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*
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*
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*
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* b
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*
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* The argument is treated as an integer and presented
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* as a binary number.
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*
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*
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*
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* c
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*
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* The argument is treated as an integer and presented
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* as the character with that ASCII.
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*
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*
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*
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* d
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*
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* The argument is treated as an integer and presented
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* as a (signed) decimal number.
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*
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*
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*
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* e
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*
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* The argument is treated as scientific notation (e.g. 1.2e+2).
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* The precision specifier stands for the number of digits after the
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* decimal point since PHP 5.2.1. In earlier versions, it was taken as
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* number of significant digits (one less).
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*
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*
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*
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* E
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*
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* Like the e specifier but uses
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* uppercase letter (e.g. 1.2E+2).
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*
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*
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*
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* f
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*
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* The argument is treated as a float and presented
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* as a floating-point number (locale aware).
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*
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*
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*
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* F
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*
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* The argument is treated as a float and presented
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* as a floating-point number (non-locale aware).
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* Available as of PHP 5.0.3.
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*
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*
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*
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* g
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*
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*
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* General format.
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*
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*
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* Let P equal the precision if nonzero, 6 if the precision is omitted,
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* or 1 if the precision is zero.
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* Then, if a conversion with style E would have an exponent of X:
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*
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*
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* If P > X ≥ −4, the conversion is with style f and precision P − (X + 1).
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* Otherwise, the conversion is with style e and precision P − 1.
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*
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*
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*
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*
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* G
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*
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* Like the g specifier but uses
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* E and f.
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*
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*
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*
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* o
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*
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* The argument is treated as an integer and presented
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* as an octal number.
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*
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*
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*
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* s
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*
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* The argument is treated and presented as a string.
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*
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*
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*
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* u
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*
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* The argument is treated as an integer and presented
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* as an unsigned decimal number.
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*
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*
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*
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* x
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*
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* The argument is treated as an integer and presented
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* as a hexadecimal number (with lowercase letters).
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*
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*
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*
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* X
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*
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* The argument is treated as an integer and presented
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* as a hexadecimal number (with uppercase letters).
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*
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*
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*
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*
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*
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*
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* General format.
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*
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* Let P equal the precision if nonzero, 6 if the precision is omitted,
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* or 1 if the precision is zero.
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* Then, if a conversion with style E would have an exponent of X:
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*
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* If P > X ≥ −4, the conversion is with style f and precision P − (X + 1).
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* Otherwise, the conversion is with style e and precision P − 1.
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*
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* The c type specifier ignores padding and width
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*
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* Attempting to use a combination of the string and width specifiers with character sets that require more than one byte per character may result in unexpected results
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*
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* Variables will be co-erced to a suitable type for the specifier:
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*
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* Type Handling
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*
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*
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*
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* Type
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* Specifiers
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*
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*
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*
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*
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* string
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* s
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*
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|
*
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* integer
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*
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* d,
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* u,
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* c,
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* o,
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* x,
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* X,
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* b
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*
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*
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*
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* double
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*
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* g,
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* G,
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* e,
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* E,
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* f,
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* F
|
|
|
*
|
|
|
*
|
|
|
*
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|
|
*
|
|
|
*
|
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|
* @param mixed $params
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|
* @return string Returns a string produced according to the formatting string
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* format.
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* @throws StringsException
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*
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*/
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|
function sprintf(string $format, ...$params): string
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{
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error_clear_last();
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if ($params !== []) {
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$result = \sprintf($format, ...$params);
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} else {
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$result = \sprintf($format);
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}
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|
if ($result === false) {
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throw StringsException::createFromPhpError();
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}
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return $result;
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|
}
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|
|
|
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|
|
/**
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|
* Returns the portion of string specified by the
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|
* start and length parameters.
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|
*
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|
* @param string $string The input string.
|
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|
* @param int $start If start is non-negative, the returned string
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|
* will start at the start'th position in
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* string, counting from zero. For instance,
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* in the string 'abcdef', the character at
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* position 0 is 'a', the
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* character at position 2 is
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* 'c', and so forth.
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*
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* If start is negative, the returned string
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* will start at the start'th character
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* from the end of string.
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*
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* If string is less than
|
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* start characters long, FALSE will be returned.
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*
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*
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* Using a negative start
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*
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*
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* ]]>
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*
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*
|
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* @param int $length If length is given and is positive, the string
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|
|
* returned will contain at most length characters
|
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|
* beginning from start (depending on the length of
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|
* string).
|
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|
*
|
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|
* If length is given and is negative, then that many
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|
|
* characters will be omitted from the end of string
|
|
|
* (after the start position has been calculated when a
|
|
|
* start is negative). If
|
|
|
* start denotes the position of this truncation or
|
|
|
* beyond, FALSE will be returned.
|
|
|
*
|
|
|
* If length is given and is 0,
|
|
|
* FALSE or NULL, an empty string will be returned.
|
|
|
*
|
|
|
* If length is omitted, the substring starting from
|
|
|
* start until the end of the string will be
|
|
|
* returned.
|
|
|
* @return string Returns the extracted part of string;, or
|
|
|
* an empty string.
|
|
|
* @throws StringsException
|
|
|
*
|
|
|
*/
|
|
|
function substr(string $string, int $start, int $length = null): string
|
|
|
{
|
|
|
error_clear_last();
|
|
|
if ($length !== null) {
|
|
|
$result = \substr($string, $start, $length);
|
|
|
} else {
|
|
|
$result = \substr($string, $start);
|
|
|
}
|
|
|
if ($result === false) {
|
|
|
throw StringsException::createFromPhpError();
|
|
|
}
|
|
|
return $result;
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* Operates as sprintf but accepts an array of
|
|
|
* arguments, rather than a variable number of arguments.
|
|
|
*
|
|
|
* @param string $format The format string is composed of zero or more directives:
|
|
|
* ordinary characters (excluding %) that are
|
|
|
* copied directly to the result and conversion
|
|
|
* specifications, each of which results in fetching its
|
|
|
* own parameter.
|
|
|
*
|
|
|
* A conversion specification follows this prototype:
|
|
|
* %[argnum$][flags][width][.precision]specifier.
|
|
|
*
|
|
|
* An integer followed by a dollar sign $,
|
|
|
* to specify which number argument to treat in the conversion.
|
|
|
*
|
|
|
*
|
|
|
* Flags
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* Flag
|
|
|
* Description
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* -
|
|
|
*
|
|
|
* Left-justify within the given field width;
|
|
|
* Right justification is the default
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* +
|
|
|
*
|
|
|
* Prefix positive numbers with a plus sign
|
|
|
* +; Default only negative
|
|
|
* are prefixed with a negative sign.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* (space)
|
|
|
*
|
|
|
* Pads the result with spaces.
|
|
|
* This is the default.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* 0
|
|
|
*
|
|
|
* Only left-pads numbers with zeros.
|
|
|
* With s specifiers this can
|
|
|
* also right-pad with zeros.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* '(char)
|
|
|
*
|
|
|
* Pads the result with the character (char).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* An integer that says how many characters (minimum)
|
|
|
* this conversion should result in.
|
|
|
*
|
|
|
* A period . followed by an integer
|
|
|
* who's meaning depends on the specifier:
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* For e, E,
|
|
|
* f and F
|
|
|
* specifiers: this is the number of digits to be printed
|
|
|
* after the decimal point (by default, this is 6).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* For g and G
|
|
|
* specifiers: this is the maximum number of significant
|
|
|
* digits to be printed.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* For s specifier: it acts as a cutoff point,
|
|
|
* setting a maximum character limit to the string.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* If the period is specified without an explicit value for precision,
|
|
|
* 0 is assumed.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* Specifiers
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* Specifier
|
|
|
* Description
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* %
|
|
|
*
|
|
|
* A literal percent character. No argument is required.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* b
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as a binary number.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* c
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as the character with that ASCII.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* d
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as a (signed) decimal number.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* e
|
|
|
*
|
|
|
* The argument is treated as scientific notation (e.g. 1.2e+2).
|
|
|
* The precision specifier stands for the number of digits after the
|
|
|
* decimal point since PHP 5.2.1. In earlier versions, it was taken as
|
|
|
* number of significant digits (one less).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* E
|
|
|
*
|
|
|
* Like the e specifier but uses
|
|
|
* uppercase letter (e.g. 1.2E+2).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* f
|
|
|
*
|
|
|
* The argument is treated as a float and presented
|
|
|
* as a floating-point number (locale aware).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* F
|
|
|
*
|
|
|
* The argument is treated as a float and presented
|
|
|
* as a floating-point number (non-locale aware).
|
|
|
* Available as of PHP 5.0.3.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* g
|
|
|
*
|
|
|
*
|
|
|
* General format.
|
|
|
*
|
|
|
*
|
|
|
* Let P equal the precision if nonzero, 6 if the precision is omitted,
|
|
|
* or 1 if the precision is zero.
|
|
|
* Then, if a conversion with style E would have an exponent of X:
|
|
|
*
|
|
|
*
|
|
|
* If P > X ≥ −4, the conversion is with style f and precision P − (X + 1).
|
|
|
* Otherwise, the conversion is with style e and precision P − 1.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* G
|
|
|
*
|
|
|
* Like the g specifier but uses
|
|
|
* E and f.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* o
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as an octal number.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* s
|
|
|
*
|
|
|
* The argument is treated and presented as a string.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* u
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as an unsigned decimal number.
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* x
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as a hexadecimal number (with lowercase letters).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* X
|
|
|
*
|
|
|
* The argument is treated as an integer and presented
|
|
|
* as a hexadecimal number (with uppercase letters).
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* General format.
|
|
|
*
|
|
|
* Let P equal the precision if nonzero, 6 if the precision is omitted,
|
|
|
* or 1 if the precision is zero.
|
|
|
* Then, if a conversion with style E would have an exponent of X:
|
|
|
*
|
|
|
* If P > X ≥ −4, the conversion is with style f and precision P − (X + 1).
|
|
|
* Otherwise, the conversion is with style e and precision P − 1.
|
|
|
*
|
|
|
* The c type specifier ignores padding and width
|
|
|
*
|
|
|
* Attempting to use a combination of the string and width specifiers with character sets that require more than one byte per character may result in unexpected results
|
|
|
*
|
|
|
* Variables will be co-erced to a suitable type for the specifier:
|
|
|
*
|
|
|
* Type Handling
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* Type
|
|
|
* Specifiers
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* string
|
|
|
* s
|
|
|
*
|
|
|
*
|
|
|
* integer
|
|
|
*
|
|
|
* d,
|
|
|
* u,
|
|
|
* c,
|
|
|
* o,
|
|
|
* x,
|
|
|
* X,
|
|
|
* b
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* double
|
|
|
*
|
|
|
* g,
|
|
|
* G,
|
|
|
* e,
|
|
|
* E,
|
|
|
* f,
|
|
|
* F
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
*
|
|
|
* @param array $args
|
|
|
* @return string Return array values as a formatted string according to
|
|
|
* format.
|
|
|
* @throws StringsException
|
|
|
*
|
|
|
*/
|
|
|
function vsprintf(string $format, array $args): string
|
|
|
{
|
|
|
error_clear_last();
|
|
|
$result = \vsprintf($format, $args);
|
|
|
if ($result === false) {
|
|
|
throw StringsException::createFromPhpError();
|
|
|
}
|
|
|
return $result;
|
|
|
}
|