Function identifies the positions of all alphabetic char in string #phpscripts #algorithm #shorts

Function Definition

This function identifies the positions of all alphabetic characters in a given string.
It takes one parameter, $string, which is the input string.
The function returns an array of integers, representing the positions of alphabetic characters in the input string.

1. The function splits the input string into an array of individual characters using str_split($string).
2. It filters this array to keep only alphabetic characters using array_filter with ctype_alpha.
3. It retrieves the indexes of these alphabetic characters using array_keys.
4. Finally, it returns an array of these indexes.
This function helps identify the positions of all alphabetic characters in a given string.