Finder position af en streng.

<?php
$mystring = 'abc';
$findme = 'a';
$pos = strpos($mystring, $findme);

// Note our use of ===.Simply == would not work as expected
// because the position of 'a' was the 0th (first) character.
if ($pos === false) {
echo "The string '$findme' was not found in the string '$mystring'";
} else {
echo "The string '$findme' was found in the string '$mystring'";
echo " and exists at position $pos";
}
?>

Giver dette resultat:

The string 'a' was found in the string 'abc' and exists at position 0