3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = u"string"; echo strlen($foo); echo $foo->length();
Output for 5.4.0 - 5.4.39
Parse error: syntax error, unexpected '"string"' (T_CONSTANT_ENCAPSED_STRING) in /in/YvTDJ on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/YvTDJ on line 2
Process exited with code 255.
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184.65 ms | 1399 KiB | 76 Q