From 5a7d3930b126d50b8255a7d3af0813dbec2eae17 Mon Sep 17 00:00:00 2001
From: ArkaPrabhaChowdhury <arkopra@gmail.com>
Date: Wed, 8 Jul 2026 19:09:02 +0530
Subject: [PATCH 1/2] Administration: Normalize texturized post search terms

---
 src/wp-includes/class-wp-query.php   | 20 +++++++++++++++
 tests/phpunit/tests/query/search.php | 37 ++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/src/wp-includes/class-wp-query.php b/src/wp-includes/class-wp-query.php
index 2c9502035705c..31d1769405c1b 100644
--- a/src/wp-includes/class-wp-query.php
+++ b/src/wp-includes/class-wp-query.php
@@ -1440,6 +1440,26 @@ protected function parse_search( &$query_vars ) {
 		if ( empty( $_GET['s'] ) && $this->is_main_query() ) {
 			$query_vars['s'] = urldecode( $query_vars['s'] );
 		}
+		// Admin post titles are texturized before display, so copied smart quotes should still match stored titles.
+		$query_vars['s'] = strtr(
+			$query_vars['s'],
+			array(
+				"\u{00A0}" => ' ',
+				"\u{202F}" => ' ',
+				"\u{00AB}" => '"',
+				"\u{00BB}" => '"',
+				"\u{2018}" => "'",
+				"\u{2019}" => "'",
+				"\u{201A}" => "'",
+				"\u{201B}" => "'",
+				"\u{201C}" => '"',
+				"\u{201D}" => '"',
+				"\u{201E}" => '"',
+				"\u{201F}" => '"',
+				"\u{2039}" => "'",
+				"\u{203A}" => "'",
+			)
+		);
 		// There are no line breaks in <input /> fields.
 		$query_vars['s']                  = str_replace( array( "\r", "\n" ), '', $query_vars['s'] );
 		$query_vars['search_terms_count'] = 1;
diff --git a/tests/phpunit/tests/query/search.php b/tests/phpunit/tests/query/search.php
index 7bfbdec31c87d..8da15f5d0fad5 100644
--- a/tests/phpunit/tests/query/search.php
+++ b/tests/phpunit/tests/query/search.php
@@ -32,6 +32,10 @@ private function get_search_results( $terms ) {
 		return $this->q->query( $args );
 	}
 
+	private function get_texturized_search_term( $title ) {
+		return html_entity_decode( wptexturize( $title ), ENT_QUOTES, 'UTF-8' );
+	}
+
 	public function test_search_order_title_relevance() {
 		foreach ( range( 1, 7 ) as $i ) {
 			self::factory()->post->create(
@@ -52,6 +56,38 @@ public function test_search_order_title_relevance() {
 		$this->assertSame( $post_id, reset( $posts )->ID );
 	}
 
+	/**
+	 * @ticket 63209
+	 */
+	public function test_search_should_match_texturized_double_quotes() {
+		$post_id = self::factory()->post->create(
+			array(
+				'post_title' => '"New" a good post',
+				'post_type'  => $this->post_type,
+			)
+		);
+
+		$posts = $this->get_search_results( $this->get_texturized_search_term( '"New" a good post' ) );
+
+		$this->assertSame( array( $post_id ), wp_list_pluck( $posts, 'ID' ) );
+	}
+
+	/**
+	 * @ticket 63209
+	 */
+	public function test_search_should_match_texturized_apostrophes() {
+		$post_id = self::factory()->post->create(
+			array(
+				'post_title' => "Today's post",
+				'post_type'  => $this->post_type,
+			)
+		);
+
+		$posts = $this->get_search_results( $this->get_texturized_search_term( "Today's post" ) );
+
+		$this->assertSame( array( $post_id ), wp_list_pluck( $posts, 'ID' ) );
+	}
+
 	public function test_search_terms_query_var() {
 		$terms = 'This is a search term';
 		$query = new WP_Query( array( 's' => 'This is a search term' ) );
@@ -645,3 +681,4 @@ public function filter_posts_search( $sql ) {
 		return $sql . ' /* posts_search */';
 	}
 }
+

From d65e45fc6f1eb02a442df1dcc9cd0fc54a93126c Mon Sep 17 00:00:00 2001
From: ArkaPrabhaChowdhury <arkopra@gmail.com>
Date: Wed, 8 Jul 2026 22:58:58 +0530
Subject: [PATCH 2/2] Tests: Remove extra blank line at end of search query
 test file

---
 tests/phpunit/tests/query/search.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tests/phpunit/tests/query/search.php b/tests/phpunit/tests/query/search.php
index 8da15f5d0fad5..c909d9292cc9e 100644
--- a/tests/phpunit/tests/query/search.php
+++ b/tests/phpunit/tests/query/search.php
@@ -681,4 +681,3 @@ public function filter_posts_search( $sql ) {
 		return $sql . ' /* posts_search */';
 	}
 }
-