= 'a';
= 'xyz';
= 'ABC';
= stripos(, );
= stripos(, );
// Nope, 'a' is certainly not in 'xyz'
if ( === false) {
}
// Note our use of ===. Simply == would not work as expected
// because the position of 'a' is the 0th (first) character.
if ( !== false) {
}
?＞