Easily replace variable-like tags in string using associative array's keys and values.

php_replace_identifiers.php

<?php
# usage: $array = array("name" => "Stichoza", "website" => "stichoza.com");
# echo replace_identifiers("Visit {{name}}'s website at {{website}}", $array);
function replace_identifiers($string, $assoc_array) {
    foreach ($assoc_array as $key => $value) {
        $string = str_replace("{{".$key."}}", $value, $string);
    }
    return $string;
}
?>