3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = array ( '$and' => array ( 0 => array ( 'external_identity' => array ( '$elemMatch' => array ( 'type' => 'bpo', 'value' => array ( '$in' => array ( 0 => '34', 1 => '17753', 2 => '7828', 3 => '35060', 4 => '21', ), ), ), ), ), ), ); var_dump(json_encode($s));
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(113) "{"$and":[{"external_identity":{"$elemMatch":{"type":"bpo","value":{"$in":["34","17753","7828","35060","21"]}}}}]}"
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 string(113) "{"$and":[{"external_identity":{"$elemMatch":{"type":"bpo","value":{"$in":["34","17753","7828","35060","21"]}}}}]}"

preferences:
167.02 ms | 402 KiB | 173 Q