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run code in 300+ PHP versions simultaneously
<?php function assignArrayByPath(&$arr, $path, $value, $separator = '_') { $keys = explode($separator, $path); foreach ($keys as $key) { $arr = &$arr[$key]; } $arr = $value; } $array = [ 'max_size_video' => 50000, 'max_size_photo' => 8000, 'token_expire' => 100, 'dns' => 'mydns.fr', ]; foreach ($array as $key => $value) { unset($array[$key]); assignArrayByPath($array, $key, $value); } var_export($array);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.29, 8.0.0 - 8.0.19, 8.1.0 - 8.1.6
array ( 'max' => array ( 'size' => array ( 'video' => 50000, 'photo' => 8000, ), ), 'token' => array ( 'expire' => 100, ), 'dns' => 'mydns.fr', )

preferences:
53.85 ms | 419 KiB | 15 Q