Get archives: add filter to customize query LIMIT clause

src/wp-includes/general-template.php

@@ -2018,6 +2018,17 @@ function wp_get_archives( $args = '' ) {
 		'w'               => get_query_var( 'w' ),
 	);
 
+	/**
+	 * Filters the archive links list arguments.
+	 *
+	 * @since 7.0.0
+	 *
+	 * @see wp_get_archives()
+	 *
+	 * @param array $args An array of arguments.
+	 */
+	$args = apply_filters( 'wp_get_archives_args', $args );
+
 	$parsed_args = wp_parse_args( $args, $defaults );
 
 	$post_type_object = get_post_type_object( $parsed_args['post_type'] );

tests/phpunit/tests/functions/wpGetArchives.php

@@ -204,4 +204,41 @@ public function test_wp_get_archives_post_type() {
 		);
 		$this->assertSame( $expected, trim( $archives ) );
 	}
+
+	/**
+	 * @ticket 64304
+	 */
+	public function test_wp_get_archives_args_filter() {
+		// Test that the filter can modify the limit argument.
+		$filter_callback = function ( $args ) {
+			$args['limit'] = 3;
+			return $args;
+		};
+		add_filter( 'wp_get_archives_args', $filter_callback );
+
+		$ids = array_slice( array_reverse( self::$post_ids ), 0, 3 );
+
+		$link1 = get_permalink( $ids[0] );
+		$link2 = get_permalink( $ids[1] );
+		$link3 = get_permalink( $ids[2] );
+
+		$title1 = get_post( $ids[0] )->post_title;
+		$title2 = get_post( $ids[1] )->post_title;
+		$title3 = get_post( $ids[2] )->post_title;
+
+		$expected = <<<EOF
+<li><a href='$link1'>$title1</a></li>
+	<li><a href='$link2'>$title2</a></li>
+	<li><a href='$link3'>$title3</a></li>
+EOF;
+		$archives = wp_get_archives(
+			array(
+				'echo'  => false,
+				'type'  => 'postbypost',
+				'limit' => 5, // This should be overridden by the filter to 3.
+			)
+		);
+
+		$this->assertSameIgnoreEOL( $expected, trim( $archives ) );
+	}
 }