Online PHP editor | output for R4TZ8

@ 2014-05-16T19:52:53Z

<?php
function getSql($arr) {
    $sql = 'SELECT id FROM table1 WHERE ';

    $and = '';

    foreach ($arr as $a) {
        $sql .= $and . "'$a' IN (cat1, cat2, cat3) ";
        $and = ' AND ';
    }

    return $sql;
}

echo getSql(array('a')); // one choice
echo '<br>';
echo getSql(array('a', 'b')); // two choices
echo '<br>';
echo getSql(array('a', 'b', 'c')); // three choices

?>

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: SELECT id FROM table1 WHERE 'a' IN (cat1, cat2, cat3) <br>SELECT id FROM table1 WHERE 'a' IN (cat1, cat2, cat3) AND 'b' IN (cat1, cat2, cat3) <br>SELECT id FROM table1 WHERE 'a' IN (cat1, cat2, cat3) AND 'b' IN (cat1, cat2, cat3) AND 'c' IN (cat1, cat2, cat3)

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