diff --git a/src/wp-includes/block-bindings.php b/src/wp-includes/block-bindings.php
index 5a20c023149d7..e4a371bdfa0b8 100644
--- a/src/wp-includes/block-bindings.php
+++ b/src/wp-includes/block-bindings.php
@@ -135,6 +135,7 @@ function get_block_bindings_source( string $source_name ) {
*
* @since 6.9.0
* @since 7.1.0 Added support for the List Item block.
+ * @since 7.1.0 Added support for the Icon block.
*
* @param string $block_type The block type whose supported attributes are being retrieved.
* @return array The list of block attributes that are supported by block bindings.
@@ -149,6 +150,7 @@ function get_block_bindings_supported_attributes( $block_type ) {
'core/post-date' => array( 'datetime' ),
'core/navigation-link' => array( 'url' ),
'core/navigation-submenu' => array( 'url' ),
+ 'core/icon' => array( 'icon' ),
);
$supported_block_attributes =
diff --git a/tests/phpunit/tests/block-bindings/render.php b/tests/phpunit/tests/block-bindings/render.php
index 3ce1993e4c351..f363cd6cf2019 100644
--- a/tests/phpunit/tests/block-bindings/render.php
+++ b/tests/phpunit/tests/block-bindings/render.php
@@ -351,6 +351,71 @@ public function test_update_block_with_value_from_source_image_placeholder() {
);
}
+ /**
+ * Tests if the Icon block's icon attribute is updated with the value
+ * returned by a block bindings source.
+ *
+ * @ticket 65725
+ *
+ * @covers ::register_block_bindings_source
+ */
+ public function test_update_icon_block_with_value_from_source() {
+ $get_value_callback = function () {
+ return 'test-icons/test-icon';
+ };
+
+ wp_register_icon_collection(
+ 'test-icons',
+ array( 'label' => 'Test Icons' )
+ );
+
+ wp_register_icon(
+ 'test-icons/test-icon',
+ array(
+ 'label' => 'Test Icon',
+ 'content' => '',
+ )
+ );
+
+ register_block_bindings_source(
+ self::SOURCE_NAME,
+ array(
+ 'label' => self::SOURCE_LABEL,
+ 'get_value_callback' => $get_value_callback,
+ )
+ );
+
+ try {
+ $block_content = <<
+
+
+HTML;
+ $parsed_blocks = parse_blocks( $block_content );
+ $block = new WP_Block( $parsed_blocks[0] );
+ $result = $block->render();
+
+ $this->assertSame(
+ 'test-icons/test-icon',
+ $block->attributes['icon'],
+ "The 'icon' attribute should be updated with the value returned by the source."
+ );
+ $this->assertStringContainsString(
+ 'assertStringContainsString(
+ 'wp-block-icon',
+ $result,
+ 'The rendered output should contain the wp-block-icon class.'
+ );
+ } finally {
+ wp_unregister_icon( 'test-icons/test-icon' );
+ wp_unregister_icon_collection( 'test-icons' );
+ }
+ }
+
/**
* Tests if the `__default` attribute is replaced with real attributes for
* pattern overrides.