3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'foo'; $foo = $foo:?'bar'; echo $foo;
Output for 5.3.0 - 5.3.18, 5.4.0 - 5.4.8
Parse error: syntax error, unexpected ':' in /in/2tlYt on line 5
Process exited with code 255.
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168.54 ms | 1395 KiB | 35 Q