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run code in 150+ php & hhvm versions
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<?php class Foo { public function __toString() { return var_export(debug_backtrace(), TRUE); } } $foo = new Foo(); echo $foo; echo $foo->__toString();
Output for 5.1.1 - 7.1.0
array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 13, 'function' => '__toString', 'class' => 'Foo', 'object' => Foo::__set_state(array( )), 'type' => '->', 'args' => array ( ), ), )array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 15, 'function' => '__toString', 'class' => 'Foo', 'object' => Foo::__set_state(array( )), 'type' => '->', 'args' => array ( ), ), )
Output for 5.0.5 - 5.1.0
array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 13, 'function' => '__toString', 'class' => 'Foo', 'type' => '->', 'args' => array ( ), ), )array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 15, 'function' => '__toString', 'class' => 'Foo', 'type' => '->', 'args' => array ( ), ), )
Output for 5.0.0 - 5.0.4
array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 13, 'function' => '__toString', 'class' => 'Foo', 'type' => '->', ), 1 => array ( 'file' => '/in/v2eHW', 'line' => 13, 'function' => 'unknown', ), )array ( 0 => array ( 'file' => '/in/v2eHW', 'line' => 15, 'function' => '__toString', 'class' => 'Foo', 'type' => '->', 'args' => array ( ), ), )
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/v2eHW on line 5
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/v2eHW 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/v2eHW on line 5
Process exited with code 255.