3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; if ($a instanceof StdClass) { echo 1; } if ($a !instanceof StdClass) { echo 2; }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28, 5.4.0 - 5.4.29
Parse error: syntax error, unexpected '!' in /in/fsklp on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '!' in /in/fsklp on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/fsklp on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/fsklp on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fsklp on line 4
Process exited with code 255.
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199.34 ms | 1399 KiB | 119 Q