WP_User_Query::get_search_sql( string $string, array $cols, bool $wild = false )

Used internally to generate an SQL string for searching across multiple columns

Parameters

$string

(Required)

$cols

(Required)

$wild

(Optional) Whether to allow wildcard searches. Default is false for Network Admin, true for single site. Single site allows leading and trailing wildcards, Network Admin only trailing.

Default value: false

Return

(string)

Source

File: wp-includes/class-wp-user-query.php 

	protected function get_search_sql( $string, $cols, $wild = false ) {
		global $wpdb;

		$searches = array();
		$leading_wild = ( 'leading' == $wild || 'both' == $wild ) ? '%' : '';
		$trailing_wild = ( 'trailing' == $wild || 'both' == $wild ) ? '%' : '';
		$like = $leading_wild . $wpdb->esc_like( $string ) . $trailing_wild;

		foreach ( $cols as $col ) {
			if ( 'ID' == $col ) {
				$searches[] = $wpdb->prepare( "$col = %s", $string );
			} else {
				$searches[] = $wpdb->prepare( "$col LIKE %s", $like );
			}
		}

		return ' AND (' . implode(' OR ', $searches) . ')';
	}

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Related

Uses

Uses
Uses Description
wp-includes/wp-db.php: wpdb::esc_like()

First half of escaping for LIKE special characters % and _ before preparing for MySQL.
wp-includes/wp-db.php: wpdb::prepare()

Prepares a SQL query for safe execution. Uses sprintf()-like syntax.

Changelog

Changelog
Version Description
WP-3.1.0 Introduced.