What's the most efficient test of whether a PHP string ends with another string?

Question

The standard PHP way to test whether a string $str ends with a substring $test is:

$endsWith = substr( $str, -strlen( $test ) ) ==          


        

Answer 1

easiest way to check it via regular expression

for example to check if the mail given is gmail:

echo (preg_match("/@gmail\.com$/","example-email@gmail.com"))?'true':'false';