next_widget_id_number() WordPress Function
This function returns the next widget ID number. It is used internally by Wordpress to keep track of widget IDs.
next_widget_id_number( string $id_base ) #
Parameters
- $id_base
(string)(Required)
Return
(int)
Source
File: wp-admin/includes/widgets.php
function next_widget_id_number( $id_base ) {
global $wp_registered_widgets;
$number = 1;
foreach ( $wp_registered_widgets as $widget_id => $widget ) {
if ( preg_match( '/' . preg_quote( $id_base, '/' ) . '-([0-9]+)$/', $widget_id, $matches ) ) {
$number = max( $number, $matches[1] );
}
}
$number++;
return $number;
}
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