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<?php class A { function __construct($val) { $this->val = $val; } function getClosure() { //Возвращает замыкание, связанное с текущими объектом и областью видимости return function() { return $this->val; }; } } class B { function __construct($val) { $this->vala = $val; } } $ob1 = new A(1); $ob2 = new A(2); $ola = new B(3); $cl = $ob1->getClosure(); echo $cl(), "\n"; $cl = $cl->bindTo($ola); echo $cl(), "\n";
Output for 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Creation of dynamic property A::$val is deprecated in /in/OKpUn on line 4 Deprecated: Creation of dynamic property A::$val is deprecated in /in/OKpUn on line 4 Deprecated: Creation of dynamic property B::$vala is deprecated in /in/OKpUn on line 14 1 Warning: Undefined property: B::$val in /in/OKpUn on line 8
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27
1 Warning: Undefined property: B::$val in /in/OKpUn on line 8
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
1 Notice: Undefined property: B::$val in /in/OKpUn on line 8
Output for 7.3.32 - 7.3.33
1
Output for 5.3.0 - 5.3.29
Fatal error: Using $this when not in object context in /in/OKpUn on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/OKpUn on line 8
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/OKpUn on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/OKpUn on line 8
Process exited with code 255.

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