PHP multidimensional array to string, multidimensional array to one-dimensional array method

PHP How to implement multidimensional array to string, multidimensional array to one-dimensional array of methods, PHP array and string conversion in the development process commonly used, very practical, learning PHP friends must see.

PHP multidimensional array to string, default English comma (,) as a connector

PHP multidimensional arrays into one-dimensional arrays

 
 $value) {if (Is_array ($value)) {Array_multi2array ($value);} else{$result [$key] = $value;}} return $result; }?>

PHP's self-contained function array_map () function is used in the above method.

