3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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'}" ; foreach ( $json as $string ) { echo 'Decoding: ' . $string ; json_decode ( $string ); switch ( json_last_error ()) { case JSON_ERROR_NONE : echo ' - No errors' ; break; case JSON_ERROR_DEPTH : echo ' - Maximum stack depth exceeded' ; break; case JSON_ERROR_STATE_MISMATCH : echo ' - Underflow or the modes mismatch' ; break; case JSON_ERROR_CTRL_CHAR : echo ' - Unexpected control character found' ; break; case JSON_ERROR_SYNTAX : echo ' - Syntax error, malformed JSON' ; break; case JSON_ERROR_UTF8 : echo ' - Malformed UTF-8 characters, possibly incorrectly encoded' ; break; default: echo ' - Unknown error' ; break; } echo PHP_EOL ; }
Output for 5.3.0 - 7.1.0
emptyDecoding: {"Organization": "PHP Documentation Team"} - No errors Decoding: {'Organization': 'PHP Documentation Team'} - Syntax error, malformed JSON
Output for 5.2.0 - 5.2.17
emptyDecoding: {"Organization": "PHP Documentation Team"} Fatal error: Call to undefined function json_last_error() in /in/BUNY5 on line 15
Process exited with code 255.
Output for 5.0.0 - 5.1.6
emptyDecoding: {"Organization": "PHP Documentation Team"} Fatal error: Call to undefined function json_decode() in /in/BUNY5 on line 13
Process exited with code 255.
Output for 4.4.5 - 4.4.9
emptyDecoding: {"Organization": "PHP Documentation Team"} Fatal error: Call to undefined function: json_decode() in /in/BUNY5 on line 13
Process exited with code 255.
Output for 4.3.2 - 4.4.4
emptyDecoding: {"Organization": "PHP Documentation Team"} Fatal error: Call to undefined function: json_decode() in /in/BUNY5 on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
emptyDecoding: {"Organization": "PHP Documentation Team"} Fatal error: Call to undefined function: json_decode() in /in/BUNY5 on line 13