Twenty Seventeen: Use a simple counter incremented with each call instead of uniqid() for generating unique IDs for HTML elements.

Props westonruter, laurelfulford.

Merges [43659] and [44408] to the 5.0 branch.
Fixes #44883.
Built from https://develop.svn.wordpress.org/branches/5.0@44409


git-svn-id: http://core.svn.wordpress.org/branches/5.0@44239 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
desrosj 2019-01-06 20:19:45 +00:00
parent fca82f9a73
commit 8b0f279239
4 changed files with 27 additions and 3 deletions

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@ -585,6 +585,30 @@ function twentyseventeen_widget_tag_cloud_args( $args ) {
} }
add_filter( 'widget_tag_cloud_args', 'twentyseventeen_widget_tag_cloud_args' ); add_filter( 'widget_tag_cloud_args', 'twentyseventeen_widget_tag_cloud_args' );
/**
* Get unique ID.
*
* This is a PHP implementation of Underscore's uniqueId method. A static variable
* contains an integer that is incremented with each call. This number is returned
* with the optional prefix. As such the returned value is not universally unique,
* but it is unique across the life of the PHP process.
*
* @since Twenty Seventeen 2.0
* @see wp_unique_id() Themes requiring WordPress 5.0.3 and greater should use this instead.
*
* @staticvar int $id_counter
*
* @param string $prefix Prefix for the returned ID.
* @return string Unique ID.
*/
function twentyseventeen_unique_id( $prefix = '' ) {
static $id_counter = 0;
if ( function_exists( 'wp_unique_id' ) ) {
return wp_unique_id( $prefix );
}
return $prefix . (string) ++$id_counter;
}
/** /**
* Implement the Custom Header feature. * Implement the Custom Header feature.
*/ */

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@ -74,7 +74,7 @@ function twentyseventeen_get_svg( $args = array() ) {
*/ */
if ( $args['title'] ) { if ( $args['title'] ) {
$aria_hidden = ''; $aria_hidden = '';
$unique_id = uniqid(); $unique_id = twentyseventeen_unique_id();
$aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"'; $aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"';
if ( $args['desc'] ) { if ( $args['desc'] ) {

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@ -10,7 +10,7 @@
?> ?>
<?php $unique_id = esc_attr( uniqid( 'search-form-' ) ); ?> <?php $unique_id = esc_attr( twentyseventeen_unique_id( 'search-form-' ) ); ?>
<form role="search" method="get" class="search-form" action="<?php echo esc_url( home_url( '/' ) ); ?>"> <form role="search" method="get" class="search-form" action="<?php echo esc_url( home_url( '/' ) ); ?>">
<label for="<?php echo $unique_id; ?>"> <label for="<?php echo $unique_id; ?>">

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@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '5.0.3-alpha-44407'; $wp_version = '5.0.3-alpha-44409';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.