9 methods for obtaining the file suffix in php, _ PHP Tutorial

Php can obtain the file suffix in nine ways ,. Php provides nine methods for obtaining file suffixes. This article provides nine methods for php to obtain file suffixes for your reference. the specific content is as follows: php *** CreatedbyPhpStorm. * User: 9 methods for php to obtain the file suffix,

This article provides nine php methods for getting file suffixes for your reference. the specific content is as follows:

<? Php/*** Created by PhpStorm. * User: liuft * Date: 2016/3/7 * Time: * // first // function get_extension ($ file) // {// $ file = explode ('. ', $ file); // return end ($ file); //} // second // function get_extension ($ file) // {// return substr (strrchr ($ file ,'. '), 1); // The third type // function get_extension ($ file) {// return pathinfo ($ file) ['extension']; //} // type 4 // function get_extension ($ file) // {// return subst R ($ file, strrpos ($ file ,'. ') + 1); // class 5 // function get_extension ($ file) // {// $ file = preg_split ('/\. /', $ file); // return end ($ file); // class 6 // function get_extension ($ file) {// $ file = strrev ($ file); // return strrev (substr ($ file, 0, strpos ($ file ,'. '); //} // class 7 // function get_extension ($ file) // {// return pathinfo ($ file, PATHINFO_EXTENSION ); //} // class 8 // function get_extension ($ file) // {// p Reg_match_all ('/\. [a-zA-Z0-9] +/', $ file, $ data); // return! Empty ($ data [0])? Substr (end ($ data [0]), 1): ''; //} // ninth // function get_extension ($ file) {// return str_replace ('. ', '', strrchr ($ file ,'. '); //} // think so much for the moment, and then add $ file =" http://10.31.63.8:8081/M00/00/09/Ch8_CFaaMLqAO87JAACePvS0ZRk.webp "; $ Data = get_extension ($ file); var_export ($ data );

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Examples in this article share nine php methods for getting file suffixes for your reference. the specific content is as follows: php/*** Created by PhpStorm. * User :...