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Customize: For selective refresh of nav menus, prevent `preg_replace()` from dropping backslashes in JSON replaced into the `data-customize-partial-placement-context` HTML attribute. 

Props dlh, westonruter.
Fixes #41488.


git-svn-id: https://develop.svn.wordpress.org/trunk@41204 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Weston Ruter 2017-08-02 05:10:05 +00:00
parent bce1b14c9a
commit 57e57505ba
2 changed files with 17 additions and 6 deletions
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4
src/wp-includes/class-wp-customize-nav-menus.php
View File

@ -1265,14 +1265,14 @@ final class WP_Customize_Nav_Menus {
*
* @param string $nav_menu_content The HTML content for the navigation menu.
* @param object $args An object containing wp_nav_menu() arguments.
* @return null
* @return string Nav menu HTML with selective refresh attributes added if partial can be refreshed.
*/
public function filter_wp_nav_menu( $nav_menu_content, $args ) {
if ( isset( $args->customize_preview_nav_menus_args['can_partial_refresh'] ) && $args->customize_preview_nav_menus_args['can_partial_refresh'] ) {
$attributes = sprintf( ' data-customize-partial-id="%s"', esc_attr( 'nav_menu_instance[' . $args->customize_preview_nav_menus_args['args_hmac'] . ']' ) );
$attributes .= ' data-customize-partial-type="nav_menu_instance"';
$attributes .= sprintf( ' data-customize-partial-placement-context="%s"', esc_attr( wp_json_encode( $args->customize_preview_nav_menus_args ) ) );
$nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . $attributes, $nav_menu_content, 1 );
$nav_menu_content = preg_replace( '#^(<\w+)#', '$1 ' . str_replace( '\\', '\\\\', $attributes ), $nav_menu_content, 1 );
}
return $nav_menu_content;
}

19
tests/phpunit/tests/customize/nav-menus.php
View File

@ -861,19 +861,27 @@ class Test_WP_Customize_Nav_Menus extends WP_UnitTestCase {
/**
* Test the filter_wp_nav_menu method.
*
* @see WP_Customize_Nav_Menus::filter_wp_nav_menu()
* @covers WP_Customize_Nav_Menus::filter_wp_nav_menu()
* @covers WP_Customize_Nav_Menus::filter_wp_nav_menu_args()
*/
function test_filter_wp_nav_menu() {
do_action( 'customize_register', $this->wp_customize );
$menus = new WP_Customize_Nav_Menus( $this->wp_customize );
$args = $menus->filter_wp_nav_menu_args( array(
$original_args = array(
'echo' => true,
'menu' => wp_create_nav_menu( 'Foo' ),
'fallback_cb' => 'wp_page_menu',
'walker' => '',
'items_wrap' => '<ul id="%1$s" class="%2$s">%3$s</ul>',
) );
);
// Add global namespace prefix to check #41488.
if ( version_compare( PHP_VERSION, '5.3', '>=' ) ) {
$original_args['fallback_cb'] = '\\' . $original_args['fallback_cb'];
}
$args = $menus->filter_wp_nav_menu_args( $original_args );
ob_start();
wp_nav_menu( $args );
@ -883,7 +891,10 @@ class Test_WP_Customize_Nav_Menus extends WP_UnitTestCase {
$this->assertContains( sprintf( ' data-customize-partial-id="nav_menu_instance[%s]"', $args['customize_preview_nav_menus_args']['args_hmac'] ), $result );
$this->assertContains( ' data-customize-partial-type="nav_menu_instance"', $result );
$this->assertContains( ' data-customize-partial-placement-context="', $result );
$this->assertTrue( (bool) preg_match( '/data-customize-partial-placement-context="(.+?)"/', $result, $matches ) );
$context = json_decode( html_entity_decode( $matches[1] ), true );
$this->assertEquals( $original_args, wp_array_slice_assoc( $context, array_keys( $original_args ) ) ); // Because assertArraySubset is not available in PHP 5.2.
$this->assertTrue( $context['can_partial_refresh'] );
}
/**