comparing two variables returns false result

Question

Why does this always return true:

$s = \'334rr\';
$i = (int)$s;

if ($i == $s) {
    echo true;
} else {
    echo false;
}

If I ec

Answer 1

From the manual:

If you compare a number with a string or the comparison involves numerical strings, then each string is converted to a number and the comparison performed numerically.

So: ($i == $s) is the same as ($i == (int)$s) for the values you've given.

Use === to avoid type-juggling.