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<?php $passes = ["fo\"obar", "foobar\"", "foobar\\\\\"", "foo\\\"\"bar"]; $expect = '{"foo":{"password":"****"}}'; foreach ($passes as $pass) { $json = json_encode(["foo"=>["password"=>$pass]]); echo $expect; echo ""; echo preg_replace('{("password"\s*:\s*)"(?:[^"\\\\]|(?:\\\\.))*"}', '$1"****"', $json); if ($expect !== preg_replace('{("password"\s*:\s*)"(?:[^"\\\\]|(?:\\\\.))*"}', '$1"****"', $json)) { echo "Password $pass is out of this league!"; exit(1); } } echo "Filter test ok!";
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}Filter test ok!
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 {"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}{"foo":{"password":"****"}}Filter test ok!
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