3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array("a" => "b>); $arr2 = array("c" => "d"); $arr1 += $arr2; var_dump($arr1);
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected 'c' (T_STRING), expecting ')' in /in/28Osd on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/28Osd on line 3
Process exited with code 255.
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187.3 ms | 1395 KiB | 58 Q