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run code in 150+ php & hhvm versions
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<?php set_error_handler(function ($_, $errstr) use ($pattern) { restore_error_handler(); echo 'handler:' . var_export($errstr, true) . \PHP_EOL; }); echo 'execution:' . \var_export(\preg_match('//u', "\xc3\x28"), true) . \PHP_EOL; echo 'error:' . var_export(\preg_last_error(), true) . \PHP_EOL; echo 'compilation:' . \var_export(\preg_match('/(/', 'a'), true) . \PHP_EOL; echo 'error:' . var_export(\preg_last_error(), true) . \PHP_EOL; \restore_error_handler(); echo 'ok:' . var_export(\preg_match('/./', 'a'), true) . \PHP_EOL; echo 'error:' . var_export(\preg_last_error(), true) . \PHP_EOL;
Output for 5.3.4 - 7.1.0
Notice: Undefined variable: pattern in /in/2mqev on line 3 execution:false error:4 handler:'preg_match(): Compilation failed: missing ) at offset 1' compilation:false error:4 ok:1 error:0
Output for 5.3.0 - 5.3.3
Notice: Undefined variable: pattern in /in/2mqev on line 3 execution:0 error:4 handler:'preg_match(): Compilation failed: missing ) at offset 1' compilation:false error:4 ok:1 error:0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/2mqev on line 3
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_FUNCTION, expecting ')' in /in/2mqev on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/2mqev on line 3
Process exited with code 255.