Code Modernization: Use null coalescing operator instead of ternaries where possible.

Developed in #10911

Follow-up to [61621], [61464].

Props soean, westonruter.
See #63430.


git-svn-id: https://develop.svn.wordpress.org/trunk@61637 602fd350-edb4-49c9-b593-d223f7449a82

Author: westonruter

src/wp-admin/edit-comments.php

@@ -319,13 +319,13 @@
 	|| isset( $_REQUEST['unspammed'] )
 	|| isset( $_REQUEST['same'] )
 ) {
-	$approved  = isset( $_REQUEST['approved'] ) ? (int) $_REQUEST['approved'] : 0;
-	$deleted   = isset( $_REQUEST['deleted'] ) ? (int) $_REQUEST['deleted'] : 0;
-	$trashed   = isset( $_REQUEST['trashed'] ) ? (int) $_REQUEST['trashed'] : 0;
-	$untrashed = isset( $_REQUEST['untrashed'] ) ? (int) $_REQUEST['untrashed'] : 0;
-	$spammed   = isset( $_REQUEST['spammed'] ) ? (int) $_REQUEST['spammed'] : 0;
-	$unspammed = isset( $_REQUEST['unspammed'] ) ? (int) $_REQUEST['unspammed'] : 0;
-	$same      = isset( $_REQUEST['same'] ) ? (int) $_REQUEST['same'] : 0;
+	$approved  = (int) ( $_REQUEST['approved'] ?? 0 );
+	$deleted   = (int) ( $_REQUEST['deleted'] ?? 0 );
+	$trashed   = (int) ( $_REQUEST['trashed'] ?? 0 );
+	$untrashed = (int) ( $_REQUEST['untrashed'] ?? 0 );
+	$spammed   = (int) ( $_REQUEST['spammed'] ?? 0 );
+	$unspammed = (int) ( $_REQUEST['unspammed'] ?? 0 );
+	$same      = (int) ( $_REQUEST['same'] ?? 0 );
 
 	if ( $approved > 0 || $deleted > 0 || $trashed > 0 || $untrashed > 0 || $spammed > 0 || $unspammed > 0 || $same > 0 ) {
 		if ( $approved > 0 ) {

src/wp-includes/class-wp-block-parser-frame.php

@@ -73,7 +73,7 @@ public function __construct( $block, $token_start, $token_length, $prev_offset =
 		$this->block              = $block;
 		$this->token_start        = $token_start;
 		$this->token_length       = $token_length;
-		$this->prev_offset        = isset( $prev_offset ) ? $prev_offset : $token_start + $token_length;
+		$this->prev_offset        = $prev_offset ?? $token_start + $token_length;
 		$this->leading_html_start = $leading_html_start;
 	}
 }

src/wp-includes/class-wp-locale.php

@@ -450,7 +450,7 @@ public function get_word_count_type() {
 		 * enter 'characters_excluding_spaces' or 'characters_including_spaces'. Otherwise, enter 'words'.
 		 * Do not translate into your own language.
 		 */
-		$word_count_type = is_null( $this->word_count_type ) ? _x( 'words', 'Word count type. Do not translate!' ) : $this->word_count_type;
+		$word_count_type = $this->word_count_type ?? _x( 'words', 'Word count type. Do not translate!' );
 
 		// Check for valid types.
 		if ( 'characters_excluding_spaces' !== $word_count_type && 'characters_including_spaces' !== $word_count_type ) {

src/wp-includes/class-wp-theme-json-resolver.php

@@ -144,7 +144,7 @@ public static function get_fields_to_translate() {
 	protected static function translate( $theme_json, $domain = 'default' ) {
 		if ( null === static::$i18n_schema ) {
 			$i18n_schema         = wp_json_file_decode( __DIR__ . '/theme-i18n.json' );
-			static::$i18n_schema = null === $i18n_schema ? array() : $i18n_schema;
+			static::$i18n_schema = $i18n_schema ?? array();
 		}
 
 		return translate_settings_using_i18n_schema( static::$i18n_schema, $theme_json, $domain );

src/wp-includes/customize/class-wp-customize-partial.php

@@ -230,7 +230,7 @@ final public function render( $container_context = array() ) {
 			 * Note that the string return takes precedence because the $ob_render may just\
 			 * include PHP warnings or notices.
 			 */
-			$rendered = null !== $return_render ? $return_render : $ob_render;
+			$rendered = $return_render ?? $ob_render;
 		}
 
 		/**

src/wp-includes/functions.php

@@ -951,7 +951,7 @@ function do_enclose( $content, $post ) {
 
 			$headers = wp_get_http_headers( $url );
 			if ( $headers ) {
-				$len           = isset( $headers['Content-Length'] ) ? (int) $headers['Content-Length'] : 0;
+				$len           = (int) ( $headers['Content-Length'] ?? 0 );
 				$type          = $headers['Content-Type'] ?? '';
 				$allowed_types = array( 'video', 'audio' );
 

src/wp-includes/interactivity-api/class-wp-interactivity-api.php

@@ -453,7 +453,7 @@ public function process_directives( string $html ): string {
 		$this->namespace_stack = null;
 		$this->context_stack   = null;
 
-		return null === $result ? $html : $result;
+		return $result ?? $html;
 	}
 
 	/**

src/wp-includes/l10n.php

@@ -1490,7 +1490,7 @@ function get_available_languages( $dir = null ) {
 
 	$languages = array();
 
-	$path       = is_null( $dir ) ? WP_LANG_DIR : $dir;
+	$path       = $dir ?? WP_LANG_DIR;
 	$lang_files = $wp_textdomain_registry->get_language_files_from_path( $path );
 
 	if ( $lang_files ) {

src/wp-includes/link-template.php

@@ -110,7 +110,7 @@ function wp_force_plain_post_permalink( $post = null, $sample = null ) {
 		$sample = true;
 	} else {
 		$post   = get_post( $post );
-		$sample = null !== $sample ? $sample : false;
+		$sample = $sample ?? false;
 	}
 
 	if ( ! $post ) {

src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php

@@ -483,7 +483,7 @@ static function ( $format ) {
 			remove_filter( 'post_password_required', array( $this, 'check_password_required' ) );
 		}
 
-		$page        = isset( $query_args['paged'] ) ? (int) $query_args['paged'] : 0;
+		$page        = (int) ( $query_args['paged'] ?? 0 );
 		$total_posts = $posts_query->found_posts;
 
 		if ( $total_posts < 1 && $page > 1 ) {