3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Test implements ArrayAccess{ private $r; function __construct() { $this->r = range("A","Z"); } public function offsetSet($offset, $value) { $this->r[$offset] = $value; } public function offsetExists($offset) { return isset($this->r[$offset]); } public function offsetUnset($offset) { unset($this->r[$offset]); } public function offsetGet($offset) { return isset($this->r[$offset]) ? $this->r[$offset] : null; } function __invoke($var) { return range("A", "Z")[$var]; } function a() { return range("A", "Z"); } function b($v) { return range("A", "Z")[$v]; } } $t = new Test(); echo $t(0); // Works echo (new Test())[0]; // works echo (new Test())->a()[0]; // works echo (new Test())->b(0); // works //echo (new Test())(0); // error ?>
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
AAAA
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/isgU2 on line 25
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/isgU2 on line 25
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/isgU2 on line 2
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 '{' in /in/isgU2 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/isgU2 on line 2
Process exited with code 255.