3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c = json_encode(["foo"=>["password"=>"foo\\\"bar"]]); echo $c; echo preg_replace('{("password"\s*:\s*)"(?:\\\\\\\\)*"}', '$1"****"');
Output for 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\\\"bar"}} Fatal error: Uncaught ArgumentCountError: preg_replace() expects at least 3 arguments, 2 given in /in/EGQCq:5 Stack trace: #0 /in/EGQCq(5): preg_replace('{("password"\\s*...', '$1"****"') #1 {main} thrown in /in/EGQCq on line 5
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 {"foo":{"password":"foo\\\"bar"}} Fatal error: Uncaught ArgumentCountError: preg_replace() expects at least 3 arguments, 2 given in /in/EGQCq:5 Stack trace: #0 /in/EGQCq(5): preg_replace('{("password"\\s*...', '$1"****"') #1 {main} thrown in /in/EGQCq on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
{"foo":{"password":"foo\\\"bar"}} Warning: preg_replace() expects at least 3 parameters, 2 given in /in/EGQCq on line 5

preferences:
135.56 ms | 402 KiB | 188 Q