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<?php $args = array(); var_dump( $args['missing_key'] ); // evaluates to `null`
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
Warning: Undefined array key "missing_key" in /in/qORqI on line 5 NULL
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 Warning: Undefined array key "missing_key" in /in/qORqI on line 5 NULL
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Notice: Undefined index: missing_key in /in/qORqI on line 5 NULL

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