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<?php $corrupted = <<<STRING a:4:{i:0;s:3:"three";i:1;s:5:"five";i:2;s:2:"newline1 newline2";i:3;s:6:"garçon";} STRING; $repaired = preg_replace_callback( '/s:(\d+):"(.*?)";/s', function ($m) { $len = strlen($m[2]); return $m[1] == $len ? $m[0] : "s:$len:\"{$m[2]}\";"; }, $corrupted ); echo $corrupted , "\n" , $repaired; echo "\n---\n"; var_export(unserialize($repaired));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.3.7
a:4:{i:0;s:3:"three";i:1;s:5:"five";i:2;s:2:"newline1 newline2";i:3;s:6:"garçon";} a:4:{i:0;s:5:"three";i:1;s:4:"five";i:2;s:17:"newline1 newline2";i:3;s:7:"garçon";} --- array ( 0 => 'three', 1 => 'five', 2 => 'newline1 newline2', 3 => 'garçon', )
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 a:4:{i:0;s:3:"three";i:1;s:5:"five";i:2;s:2:"newline1 newline2";i:3;s:6:"garçon";} a:4:{i:0;s:5:"three";i:1;s:4:"five";i:2;s:17:"newline1 newline2";i:3;s:7:"garçon";} --- array ( 0 => 'three', 1 => 'five', 2 => 'newline1 newline2', 3 => 'garçon', )

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