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<?php $arr = ['one', 'two', 'free']; $value = 10; $arr = array_reverse($arr); Foreach($arr as $key => $val){ if($key==0){ $new[$val]= $value; }else{ $new = [$val => $new]; } } var_dump($new);
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
array(1) { ["one"]=> array(1) { ["two"]=> array(1) { ["free"]=> int(10) } } }
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 array(1) { ["one"]=> array(1) { ["two"]=> array(1) { ["free"]=> int(10) } } }

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