$valid_tables = "tableA|tableB|tableC"
if (preg_match("#(SELECT|UPDATE|INSERT)\s(INTO|FROM)?".$valid_tables."\s(.+)#im", $query)) {
}
Klammern vergessen oben:
~~~php
$valid_tables = "(tableA|tableB|tableC)"
$valid_tables = "tableA|tableB|tableC"
if (preg_match("#(SELECT|UPDATE|INSERT)\s(INTO|FROM)?".$valid_tables."\s(.+)#im", $query)) {
}
Klammern vergessen oben:
~~~php
$valid_tables = "(tableA|tableB|tableC)"