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1 <?php 2 /** 3 * compatibility functions 4 * 5 * This file contains a few functions that might be missing from the PHP build 6 */ 7 8 if(!function_exists('ctype_space')) { 9 /** 10 * Check for whitespace character(s) 11 * 12 * @see ctype_space 13 * @param string $text 14 * @return bool 15 */ 16 function ctype_space($text) { 17 if(!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars 18 if(trim($text) === '') return true; 19 return false; 20 } 21 } 22 23 if(!function_exists('ctype_digit')) { 24 /** 25 * Check for numeric character(s) 26 * 27 * @see ctype_digit 28 * @param string $text 29 * @return bool 30 */ 31 function ctype_digit($text) { 32 if(!is_string($text)) return false; #FIXME original treats between -128 and 255 inclusive as ASCII chars 33 if(preg_match('/^\d+$/', $text)) return true; 34 return false; 35 } 36 } 37 38 if(!function_exists('gzopen') && function_exists('gzopen64')) { 39 /** 40 * work around for PHP compiled against certain zlib versions #865 41 * 42 * @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists 43 * 44 * @param string $filename 45 * @param string $mode 46 * @param int $use_include_path 47 * @return mixed 48 */ 49 function gzopen($filename, $mode, $use_include_path = 0) { 50 return gzopen64($filename, $mode, $use_include_path); 51 } 52 } 53 54 if(!function_exists('gzseek') && function_exists('gzseek64')) { 55 /** 56 * work around for PHP compiled against certain zlib versions #865 57 * 58 * @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists 59 * 60 * @param resource $zp 61 * @param int $offset 62 * @param int $whence 63 * @return int 64 */ 65 function gzseek($zp, $offset, $whence = SEEK_SET) { 66 return gzseek64($zp, $offset, $whence); 67 } 68 } 69 70 if(!function_exists('gztell') && function_exists('gztell64')) { 71 /** 72 * work around for PHP compiled against certain zlib versions #865 73 * 74 * @link http://stackoverflow.com/questions/23417519/php-zlib-gzopen-not-exists 75 * 76 * @param resource $zp 77 * @return int 78 */ 79 function gztell($zp) { 80 return gztell64($zp); 81 } 82 } 83
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