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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
349 | default: |
350 | $pagenum = isset( $_GET['paged'] ) ? absint( $_GET['paged'] ) : 0; |
351 | if ( empty($pagenum) ) |
352 | $pagenum = 1; |
353 |
|
354 | $per_page = (int) get_user_option( 'ms_sites_per_page' ); |
355 | if ( empty( $per_page ) || $per_page < 1 ) |
356 | $per_page = 15; |
357 |
|
358 | $per_page = apply_filters( 'ms_sites_per_page', $per_page ); |
359 |
|
360 | $s = isset( $_GET['s'] ) ? stripslashes( trim( $_GET[ 's' ] ) ) : ''; |
361 | $like_s = esc_sql( like_escape( $s ) ); |
362 |
|
363 | $query = "SELECT * FROM {$wpdb->blogs} WHERE site_id = '{$wpdb->siteid}' "; |
364 |
|
365 | if ( isset( $_GET['searchaction'] ) ) { |
366 | if ( 'name' == $_GET['searchaction'] ) { |
367 | $query .= " AND ( {$wpdb->blogs}.domain LIKE '%{$like_s}%' OR {$wpdb->blogs}.path LIKE '%{$like_s}%' ) "; |