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<?php class foo { function __construct() { $this->a = "hello"; $this->b = "hi"; $this->val = "howdy"; $val = "a"; echo $this->{$val}; // outputs "hello" echo "\n\n"; $val = "b"; echo $this->{$val}; // outputs "hi" echo "\n\n"; $echo->val; } } $foo = new foo();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property foo::$a is deprecated in /in/R2PJj on line 5 Deprecated: Creation of dynamic property foo::$b is deprecated in /in/R2PJj on line 6 Deprecated: Creation of dynamic property foo::$val is deprecated in /in/R2PJj on line 7 hello hi Warning: Undefined variable $echo in /in/R2PJj on line 18 Warning: Attempt to read property "val" on null in /in/R2PJj on line 18

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