3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 2+2."\n"; echo 2 << 2 . "\n";
Output for 5.4.0 - 5.4.10
Parse error: syntax error, unexpected '"\n"' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ';' in OXiUb on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.20
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ',' or ';' in OXiUb on line 3
Process exited with code 255.
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159.88 ms | 1399 KiB | 39 Q