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<?php $a = array( //"one" => '""''") or true--', "one" => chr(0xbf27) . chr(0xbf) . chr(0x27) . ' OR 1 = 1--', //"one" => CHAR(34,37,97,100,109,105,110,37,34), "two" => 2, "three" => 3, "seventeen" => 17 ); foreach ($a as $k => $v) { echo "$v...\n"; //$str = $v; $str = addslashes($v); echo "\$a[$k] => $str.\n"; } ?>
Output for 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 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
'�' OR 1 = 1--... $a[one] => \'�\' OR 1 = 1--. 2... $a[two] => 2. 3... $a[three] => 3. 17... $a[seventeen] => 17.

preferences:
201.11 ms | 404 KiB | 266 Q