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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { private $bar; function __construct($foo) { var_dump($foo); $this->bar = $foo; var_dump($this->bar); } public function foo($baz = null) { var_dump(isset($this->bar['foo'][$baz])); } } $class = new foo("topkek"); $class->foo(1); ?>
based on i5DCV
Output for 5.2.14 - 5.2.17, 5.3.3 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(6) "topkek" string(6) "topkek" bool(false)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.13, 5.3.0 - 5.3.2
Strict Standards: Redefining already defined constructor for class foo in /in/l0kvS on line 12 string(6) "topkek" string(6) "topkek" bool(false)
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/l0kvS on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/l0kvS on line 4
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/l0kvS on line 4
Process exited with code 255.