3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function hi() { return "hello"; } } // in global scope $f = function() { return $this->hi(); }; $a = new A(); $g = $f->bindTo($a); echo $g(), PHP_EOL; // works, no warnings class B extends A { // in a static function static function make() { return function() { return $this->hi(); // fatal error }; } } $h = B::make(); $i = $h->bindTo($a); // warning echo $i(), PHP_EOL;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
hello hello
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
hello Warning: Cannot bind an instance to a static closure in /in/YMYeu on line 27 Fatal error: Using $this when not in object context in /in/YMYeu on line 21
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bindTo() in /in/YMYeu on line 14
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/YMYeu on line 10
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/YMYeu on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/YMYeu on line 10
Process exited with code 255.
preferences:
91.68 ms | 412 KiB | 5 Q