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<?php trait Singleton{ public static function getInstance($data = array()){ new static($data); } } class TestClass { use Singleton; public function __construct($params){ echo "params count is ".count($params)."<br/>"; } } $params = array( 'test' => 'value' ); TestClass::getInstance($params);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
params count is 1<br/>
Output for 7.1.10

Process exited with code 137.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/N0u35 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/N0u35 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/N0u35 on line 2
Process exited with code 255.
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246.56 ms | 401 KiB | 354 Q