3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['1' -> 'a "c"']; var_dump(json_encode($a));
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR), expecting ']' in /in/Ig8jk on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/Ig8jk on line 3
Process exited with code 255.
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184.96 ms | 1395 KiB | 64 Q