DatabaseConnection::escapeAlias
public function DatabaseConnection::escapeAlias
public DatabaseConnection::escapeAlias($field)
Escapes an alias name string.
Force all alias names to be strictly alphanumeric-plus-underscore. In contrast to DatabaseConnection::escapeField() / DatabaseConnection::escapeTable(), this doesn't allow the period (".") because that is not allowed in aliases.
Return value
The sanitized field name string.
File
- includes/database/database.inc, line 954
- Core systems for the database layer.
Class
- DatabaseConnection
- Base Database API class.
Code
public function escapeAlias($field) { return preg_replace('/[^A-Za-z0-9_]+/', '', $field); }
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https://api.drupal.org/api/drupal/includes!database!database.inc/function/DatabaseConnection::escapeAlias/7.x