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run code in 300+ PHP versions simultaneously
<?php class A { protected $_field = "abcdefghijklmnopqrstuvwxyz"; public function __get($name) { echo 'method called' . PHP_EOL; die; } } class B { public $_field = "abcdefghijklmnopqrstuvwxyz"; } $a = new A; $start = microtime(true); for ($i = 0; $i < 100000; $i++) $field = $a->_field; $time_taken = microtime(true) - $start; echo 'With get: ' . $time_taken . 's' . PHP_EOL; $b = new B; $start = microtime(true); for ($i = 0; $i < 100000; $i++) $field = $b->_field; $time_taken = microtime(true) - $start; echo 'Without get: ' . $time_taken . 's' . PHP_EOL;
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
method called
Output for 5.0.0 - 5.0.5
Fatal error: Cannot access protected property A::$_field in /in/TaaYF on line 21
Process exited with code 255.
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/TaaYF on line 5
Process exited with code 255.
Output for 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/TaaYF on line 5
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/TaaYF on line 5
Process exited with code 255.
Output for 4.3.0
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/OAp0B on line 5
Process exited with code 255.

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