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run code in 300+ PHP versions simultaneously
<?php class NonEmptySetter { public function __set($name, $value) { $this->{$name} = $value; } } class EmptySetter { public function __set($name, $value) {} } function benchmark($obj) { $start_time = microtime(TRUE); for ($i = 0; $i < 100; $i++) { $obj->foo = 42; } return microtime(TRUE) - $start_time; } printf("NonEmptySetter: %.2f seconds\n", benchmark(new NonEmptySetter)); printf("EmptySetter: %.2f seconds\n", benchmark(new EmptySetter));
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
NonEmptySetter: 0.00 seconds EmptySetter: 0.00 seconds
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VKFAO on line 3
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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VKFAO on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/VKFAO on line 3
Process exited with code 255.
preferences:
146.46 ms | 405 KiB | 208 Q