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<?php $strings = [ 'data:image/png;base64,LongBase64ValueHereOfAnImage1', 'data:application/octet-stream;base64,LongBase64ValueHereOfAnImage2', 'data:image/vnd.microsoft.icon;base64,LongBase64ValueHereOfAnImage3' ]; $pattern = '/base64,(.+)$/'; foreach($strings as $string) { $p = substr($string, stripos($string, 'base64,')+7); var_dump($p); }
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
string(29) "LongBase64ValueHereOfAnImage1" string(29) "LongBase64ValueHereOfAnImage2" string(29) "LongBase64ValueHereOfAnImage3"

preferences:
141.71 ms | 407 KiB | 5 Q