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<?php $string = '<img src="/index.php/tools/packages/bullseye/file_display.php?htmlpage=&amp;fID=300" /><img src="/index.php/tools/packages/bullseye/file_display.php?htmlpage=&amp;fID=300" /><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+)"~', $string, $file_ids); $file_ids = array_map((array)$file_ids[1], function($v) { return intval($v); }); var_dump($file_ids);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, array callback must have exactly two members in /in/c7FK6:7 Stack trace: #0 /in/c7FK6(7): array_map(Array, Object(Closure)) #1 {main} thrown in /in/c7FK6 on line 7
Process exited with code 255.

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