wpdb::strip_invalid_text_from_query()
Strips any invalid characters from the query.
Method of the class: wpdb{}
No Hooks.
Return
String|WP_Error
. The converted query, or a WP_Error object if the conversion fails.
Usage
// protected - for code of main (parent) or child class $result = $this->strip_invalid_text_from_query( $query );
- $query(string) (required)
- Query to convert.
Changelog
Since 4.2.0 | Introduced. |
wpdb::strip_invalid_text_from_query() wpdb::strip invalid text from query code WP 6.7.1
protected function strip_invalid_text_from_query( $query ) { // We don't need to check the collation for queries that don't read data. $trimmed_query = ltrim( $query, "\r\n\t (" ); if ( preg_match( '/^(?:SHOW|DESCRIBE|DESC|EXPLAIN|CREATE)\s/i', $trimmed_query ) ) { return $query; } $table = $this->get_table_from_query( $query ); if ( $table ) { $charset = $this->get_table_charset( $table ); if ( is_wp_error( $charset ) ) { return $charset; } // We can't reliably strip text from tables containing binary/blob columns. if ( 'binary' === $charset ) { return $query; } } else { $charset = $this->charset; } $data = array( 'value' => $query, 'charset' => $charset, 'ascii' => false, 'length' => false, ); $data = $this->strip_invalid_text( array( $data ) ); if ( is_wp_error( $data ) ) { return $data; } return $data[0]['value']; }