3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(array('fs' => '/', 'bs' => '\\'))
Output for 5.4.0 - 5.4.9
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/Lkp7q on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.19
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/Lkp7q on line 2
Process exited with code 255.
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171.25 ms | 1395 KiB | 37 Q