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<?php $page=array(); $matches = array(1=>'ololo'); preg_match('#([A-Za-z0-9\-\_]*)#', $page, $matches); var_dump($matches);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: preg_match(): Argument #2 ($subject) must be of type string, array given in /in/qgg3U:4 Stack trace: #0 /in/qgg3U(4): preg_match('#([A-Za-z0-9\\-\\...', Array, Array) #1 {main} thrown in /in/qgg3U on line 4
Process exited with code 255.
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 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
Warning: preg_match() expects parameter 2 to be string, array given in /in/qgg3U on line 4 array(1) { [1]=> string(5) "ololo" }
Output for 4.3.0 - 4.3.2
Notice: Array to string conversion in /in/qgg3U on line 4 array(2) { [0]=> string(5) "Array" [1]=> string(5) "Array" }

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