Question

How to create a function to return only alpha-numeric characters from string in PHP

Answer 1

function get_alpha_numeric_characters($string) {
    return preg_replace("/[^a-zA-Z0-9]/", "", $string);
}


$str = "PHP - Stable release: 8.3 23-November 2023";

$str = get_alpha_numeric_characters($str);

echo $str;




/*
run:

PHPStablerelease8323November2023

*/

 

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