Hello,
I only saw you mention strpos, preg_match and substr as (slower)
alternatives. However, there's already a function called substr_compare
which is meant for just this kind of comparisons but which is more
general than your RFC.
function str_begins($a, $b) {
return substr_compare($a, $b, 0, strlen($b)) === 0;
}
function str_ends($a, $b) {
return substr_compare($a, $b, -strlen($b)) === 0;
}
--
Lauri Kenttä
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