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<?php |
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/** |
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* Process the wp-interactive directive. |
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* |
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* @package Gutenberg |
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* @subpackage Interactivity API |
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*/ |
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|
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/** |
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* Process wp-interactive directive. |
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* |
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* @param WP_Directive_Processor $tags Tags. |
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* @param WP_Directive_Context $context Directive context. |
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* @param string $ns Namespace. |
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* @param array $ns_stack Namespace stack. |
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*/ |
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function gutenberg_interactivity_process_wp_interactive( $tags, $context, $ns, &$ns_stack ) { |
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// Pop the current namespace if this is the closing tag of an island. |
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if ( $tags->is_tag_closer() ) { |
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array_pop( $ns_stack ); |
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return; |
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} |
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|
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/* |
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* Decode the data-wp-interactive attribute. In the case it is not a valid |
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* JSON string, NULL is stored in `$island_data`. |
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*/ |
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$island = $tags->get_attribute( 'data-wp-interactive' ); |
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$island_data = is_string( $island ) && ! empty( $island ) |
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? json_decode( $island, true ) |
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: null; |
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|
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/* |
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* Push the newly defined namespace, or the current one if the island |
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* definition was invalid or does not contain a namespace. |
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* |
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* This is done because the function pops out the current namespace from the |
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* stack whenever it finds an island's closing tag, independently of whether |
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* the island definition was correct or it contained a valid namespace. |
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*/ |
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$ns_stack[] = isset( $island_data ) && $island_data['namespace'] |
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? $island_data['namespace'] |
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: $ns; |
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} |
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|
