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$a = '1';
$b = '1';
// Method 1
if ($a == $b) { ... }
// Method 2
if ((int)$a == (int)$b) { ... }
Which is the better solution? I’m thinking here of programming best practices and not necessarily performance.
You can simply use the Identical operator.
Edit: Now that I look, andre matos already asserts which is the best way.