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<?php class Test implements Countable { public $prop1, $prop2,$prop3,$prop4=4; private $propa, $propb,$propc,$propd=44; protected $propx, $propy,$propz,$propzz=444; 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"; echo get_object_vars($t);
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/7WifV on line 16 hello world 12 12 12 Warning: Array to string conversion in /in/7WifV on line 26 Array
Output for 8.0.0 - 8.0.30
hello world 12 12 12 Warning: Array to string conversion in /in/7WifV on line 26 Array
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
hello world 12 12 12 Notice: Array to string conversion in /in/7WifV on line 26 Array
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
hello world 12 12 12 Array
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/7WifV on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/7WifV 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/7WifV 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/7WifV on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/7WifV on line 2
Process exited with code 255.
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