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<?php function escape_input($input) { return str_replace("'", "''", $input); } $a = "\' OR 1 = 1 --"; $b=CHAR(39).CHAR(32).CHAR(111).CHAR(114).CHAR(32).CHAR(39).CHAR(49).CHAR(39).CHAR(61).CHAR(39).CHAR(49); echo $b; echo "\n"; echo escape_input($a); echo "\n"; //$b = chr(0x27)."admin'--"; //echo escape_input($b); echo addslashes($b); echo "\n"; ?>
Output for 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Call to undefined function CHAR() in /in/eVZ1S:6 Stack trace: #0 {main} thrown in /in/eVZ1S on line 6
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Call to undefined function CHAR() in /in/eVZ1S:6 Stack trace: #0 {main} thrown in /in/eVZ1S on line 6
Process exited with code 255.
Output for 5.4.8 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Call to undefined function CHAR() in /in/eVZ1S on line 6
Process exited with code 255.

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