PHP replacing special characters like à->a, è->e

Question

I have php document signup.php which save the content from form (in form.php document) to MySQL base. The problem arises when I want to reformat the input content. I want do

Answer 1

CodeIgniter way:

$this->load->helper('text');

$string = convert_accented_characters($string);

This function uses a companion config file application/config/foreign_chars.php to define the to and from array for transliteration.

https://www.codeigniter.com/user_guide/helpers/text_helper.html#ascii_to_entities