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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { private $x; function __construct() { $this->a = "hello"; $this->b = "hi"; $this->val = "howdy"; $val = "a"; echo $this->{$val}; // outputs "hello" echo "\n"; $val = "b"; echo $this->{$val}; // outputs "hi" echo "\n"; echo $this->val; //outputs "howdy" echo "\n"; echo $this->{"val"}; $this->setX(5); echo $this->getX(); } function setX($valorX){ $this->$x = $valorX; } function getX(){ return $this->$x; } } $foo = new foo();
Output for 5.0.4, 7.1.0
hello hi howdy howdy Notice: Undefined variable: x in /in/7rTqE on line 28 Notice: Undefined variable: x in /in/7rTqE on line 31 5
Output for 7.0.0 - 7.0.14
hello hi howdy howdy Notice: Undefined variable: x in /in/7rTqE on line 28 Fatal error: Uncaught Error: Cannot access empty property in /in/7rTqE:28 Stack trace: #0 /in/7rTqE(24): foo->setX(5) #1 /in/7rTqE(36): foo->__construct() #2 {main} thrown in /in/7rTqE on line 28
Process exited with code 255.
Output for 5.0.5 - 5.6.28
hello hi howdy howdy Notice: Undefined variable: x in /in/7rTqE on line 28 Fatal error: Cannot access empty property in /in/7rTqE on line 28
Process exited with code 255.
Output for 5.0.0 - 5.0.3
hello hi howdy howdy Notice: Undefined variable: x in /in/7rTqE on line 28 Notice: Undefined variable: x in /in/7rTqE on line 31 5
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/7rTqE on line 3
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/7rTqE 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/7rTqE on line 3
Process exited with code 255.