php+mysql: script to run same command on multiple tables

command_on_multiple_mysql_tables.php

<?php

$query = "alter table {table} drop column columnName;";
$tables = array('tableA', 'tableB');
foreach ($tables as $key => $source) {
    $currentQuery = str_replace('{table}', $source, $query);
    DB::query($currentQuery);
}