[CodeQuality] Add For to foreach

[TomasVotruba]

Closes #1402

-for ($i = 0, $c = count($tokens); $i < $c; ++$i) {
+foreach ($tokens as $i => $token) {
}

-for ($i = 0; $i < count($tokens); ++$i) {
+foreach ($tokens as $i => $token) {
}

Todo

• rename "get" variables