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<?php $elements = [ 'div' => FALSE, ]; $elements['div']['class'] = TRUE; var_dump($elements);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Automatic conversion of false to array is deprecated in /in/ahgI7 on line 7 array(1) { ["div"]=> array(1) { ["class"]=> bool(true) } }
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 Deprecated: Automatic conversion of false to array is deprecated in /in/ahgI7 on line 7 array(1) { ["div"]=> array(1) { ["class"]=> bool(true) } }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(1) { ["div"]=> array(1) { ["class"]=> bool(true) } }

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