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<?php $string = '<img src="/index.php/tools/packages/bullseye/file_display.php?htmlpage=&amp;fID=300" />'; $file_ids = array(); $html = preg_match_all('~src="/index\.php/tools/packages/bullseye/file_display\.php\?htmlpage=&amp;fID=(\d+)"~', $file_ids, $string); var_dump($file_ids);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: preg_match_all(): Argument #2 ($subject) must be of type string, array given in /in/GkEns:5 Stack trace: #0 /in/GkEns(5): preg_match_all('~src="/index\\.p...', Array, '<img src="/inde...') #1 {main} thrown in /in/GkEns on line 5
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_match_all() expects parameter 2 to be string, array given in /in/GkEns on line 5 array(0) { }
Output for 4.3.0 - 4.3.2
Notice: Array to string conversion in /in/GkEns on line 5 array(0) { }

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