[PHP] array_walk_recursive-recursively applies user functions to each member in the array

[PHP] array_walk_recursive-recursively applies the user function in PHP to every member in the array. there is a function: boolarray_pai_recursive (array & amp; $ input, callback $ funcname [, mix [PHP] array_walk_recursive-recursively applies user functions to each member in the array
PHP has such a function:
Bool array_walk_recursive (array & $ input, callback $ funcname [, mixed $ userdata])
Apply user functions recursively to each member in the array to process data in multi-dimensional arrays. This function is very convenient when you need to process data in the array in batches.

Function gb2312_to_utf8 (& $ value, $ key) {$ value = iconv ('gb2312', 'utf-8', $ value);} array_walk_recursive ($ array, 'gb2312 _ to_utf8 ');