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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace fred; for($i=0; $i<3; $i++) { ($i == 1) && eval ('namespace fred; function strlen($s) { return 2* \strlen($s); }'); echo strlen("Hello World!"), "\n"; }
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
12 12 12
Output for 5.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
12 24 24
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/KSIDh on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/KSIDh on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/KSIDh on line 2
Process exited with code 255.