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<?php class Test implements Countable { public $prop1; private $propa=2; protected $propx=3; public $prop4 = array(1,2,3,4); public function Greet() { return 'hello world'; } public function getCount() { $res = (array) $this; return count($res); } public function count() { return $this->getCount(); } } $t = new Test; echo $t->Greet(),"\n"; echo count( (array) $t),"\n"; echo $t->getCount(),"\n"; echo count($t),"\n"; var_dump( get_object_vars($t) ); $a = (array) $t; echo count(new ArrayObject($a));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of Test::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/bK9oE on line 17 hello world 4 4 4 array(2) { ["prop1"]=> NULL ["prop4"]=> array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } } 4
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
hello world 4 4 4 array(2) { ["prop1"]=> NULL ["prop4"]=> array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } } 4
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/bK9oE on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/bK9oE on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/bK9oE on line 2
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
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/bK9oE on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/bK9oE on line 2
Process exited with code 255.
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