php获取图片地址后辍
图片地址
https://www.baidu.com/img/baidu_jgylogo3.gif
pathinfo涵数
dump(pathinfo('https://www.baidu.com/img/baidu_jgylogo3.gif'));
array(4) { ["dirname"] => string(25) "https://www.baidu.com/img" ["basename"] => string(18) "baidu_jgylogo3.gif" ["extension"] => string(3) "gif" ["filename"] => string(14) "baidu_jgylogo3" }
$dir = pathinfo('https://www.baidu.com/img/baidu_jgylogo3.gif');
取得图片后辍
$dir[extension]