3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); if(empty($a)) echo 'empty'; // 一个有效的 json 字符串 $json [] = '{"Organization": "PHP Documentation Team"}' ; // 一个无效的 json 字符串会导致一个语法错误,在这个例子里我们使用 ' 代替了 " 作为引号 $json [] = "{'Organization': 'PHP Documentation Team'}" ; // 无效的 UTF8 序列 $text = "\xB1\x31" ; $json = json_encode ( $text ); $error = json_last_error (); var_dump ( $json , $error === JSON_ERROR_UTF8 );
Output for git.master, git.master_jit, rfc.property-hooks
emptybool(false) bool(true)

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page


preferences:
52.03 ms | 401 KiB | 8 Q