huenfrplsv
<?php $options = array('option 1', 'option 2', 'option 3'); $valid = true; if (is_array($_GET['input'])) { $valid = true; foreach($_GET['input'] as $input) { if (!in_array($input, $options)) { $valid = false; } } if ($valid) { //process input } } ?>

Elapsed time 00:00
Total errors 0
Not corrected 0
Accuracy -
Gross WPM ? -
Net WPM ? -
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