3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = fsockopen("diskuse.jakpsatweb.cz", 80, $errno, $errstr, 40);
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '$errstr' (T_VARIABLE) in /in/MObtu on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/MObtu on line 2
Process exited with code 255.
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180.74 ms | 1395 KiB | 57 Q