3v4l.org

run code in 300+ PHP versions simultaneously
<?php $el = ['foo', 'bar' => 'baz’][0]; var_dump($el);
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected ''baz’][0];' (T_ENCAPSED_AND_WHITESPACE) in /in/7ZSN9 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/7ZSN9 on line 2
Process exited with code 255.
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195.98 ms | 1395 KiB | 62 Q