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<?php @ini_set('display_errors', 'on'); class Configuration { public static function get($param) { return true; } } class Cart { public function getProducts() { return array(1); } } class Context { public $cart; public function __construct() { $this->cart = new Cart(); } public static function getContext() { return new Context(); } } if (Configuration::get('LEGAL_SHIPTAXMETH') && $cart = Context::getContext()->cart && $products = $cart->getProducts() && !empty($products)) { echo "OK"; } /** * The above code snippet fails, because I think the condition is parsed like this: * * Configuration::get('LEGAL_SHIPTAXMETH') && * $cart = (Context::getContext()->cart && $products = $cart->getProducts()) * && !empty($products) * * so $cart is undefined when getProducts is called * */
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $cart in /in/trEeK on line 38 Fatal error: Uncaught Error: Call to a member function getProducts() on null in /in/trEeK:38 Stack trace: #0 {main} thrown in /in/trEeK on line 38
Process exited with code 255.
Output for 7.0.5 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: cart in /in/trEeK on line 38 Fatal error: Uncaught Error: Call to a member function getProducts() on null in /in/trEeK:38 Stack trace: #0 {main} thrown in /in/trEeK on line 38
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to a member function getProducts() on null in /in/trEeK:38 Stack trace: #0 {main} thrown in /in/trEeK on line 38
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Undefined variable: cart in /in/trEeK on line 38 Fatal error: Uncaught Error: Call to a member function getProducts() on unknown in /in/trEeK:38 Stack trace: #0 {main} thrown in /in/trEeK on line 38
Process exited with code 255.
Output for 5.6.7 - 5.6.28
Notice: Undefined variable: cart in /in/trEeK on line 38 Fatal error: Call to a member function getProducts() on null in /in/trEeK on line 38
Process exited with code 255.
Output for 5.0.4 - 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, 5.5.24 - 5.5.35
Notice: Undefined variable: cart in /in/trEeK on line 38 Fatal error: Call to a member function getProducts() on a non-object in /in/trEeK on line 38
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: cart in /in/trEeK on line 38 Fatal error: Call to a member function getProducts() on a non-object in /in/trEeK on line 38
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/trEeK on line 7
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/trEeK on line 7
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/trEeK on line 7
Process exited with code 255.
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