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<?php |
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/** |
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* Utility functions for Blocks plugin. |
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* |
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* Pure helpers that cannot be autoloaded (not classes). |
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* Registration logic lives in Blocks_Post_Types. |
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* Page builder helpers live in Blocks_Page_Builders. |
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* |
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* @package Blocks |
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* @license GPL-2.0-or-later |
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*/ |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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// Plugin URL. |
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|
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function blocks_plugin_url( $path = '' ) { |
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$url = plugins_url( $path, BLOCKS_PLUGIN ); |
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if ( is_ssl() && 'http:' === substr( $url, 0, 5 ) ) { |
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$url = 'https:' . substr( $url, 5 ); |
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} |
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return $url; |
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} |
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|
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// HTML formatting. |
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|
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function blocks_format_atts( $atts ) { |
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$html = ''; |
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$prioritized_atts = array( 'type', 'name', 'value' ); |
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|
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foreach ( $prioritized_atts as $att ) { |
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if ( isset( $atts[ $att ] ) ) { |
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$value = trim( $atts[ $att ] ); |
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$html .= sprintf( ' %s="%s"', $att, esc_attr( $value ) ); |
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unset( $atts[ $att ] ); |
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} |
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} |
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|
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foreach ( $atts as $key => $value ) { |
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$key = strtolower( trim( $key ) ); |
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if ( ! preg_match( '/^[a-z_:][a-z_:.0-9-]*$/', $key ) ) { |
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continue; |
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} |
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$value = trim( $value ); |
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if ( '' !== $value ) { |
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$html .= sprintf( ' %s="%s"', $key, esc_attr( $value ) ); |
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} |
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} |
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|
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return trim( $html ); |
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} |
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|
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// String utilities. |
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|
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function blocks_is_valid_locale( $locale ) { |
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return preg_match( '/^[a-z]{2,3}(?:_[A-Z]{2})?$/', $locale ); |
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} |
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|
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function blocks_normalize_newline( $text, $to = "\n" ) { |
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if ( ! is_string( $text ) ) { |
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return $text; |
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} |
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return str_replace( array( "\r\n", "\r", "\n" ), $to, $text ); |
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} |
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|
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function blocks_normalize_newline_deep( $arr, $to = "\n" ) { |
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if ( is_array( $arr ) ) { |
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$result = array(); |
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foreach ( $arr as $key => $text ) { |
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$result[ $key ] = blocks_normalize_newline_deep( $text, $to ); |
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} |
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return $result; |
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} |
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return blocks_normalize_newline( $arr, $to ); |
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} |
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|
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function blocks_array_flatten( $input ) { |
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if ( ! is_array( $input ) ) { |
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return array( $input ); |
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} |
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|
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$output = array(); |
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|
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foreach ( $input as $value ) { |
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if ( is_array( $value ) ) { |
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$output = array_merge( $output, blocks_array_flatten( $value ) ); |
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} else { |
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$output[] = $value; |
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} |
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} |
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|
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return $output; |
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} |
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|
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// Widget text filter. |
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|
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function blocks_widget_text_filter( $content ) { |
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if ( ! preg_match( '/\[[\r\n\t ]*block[\r\n\t ].*?\]/', $content ) ) { |
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return $content; |
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} |
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return do_shortcode( $content ); |
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} |
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|
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// Page-builder wrappers. |
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|
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function blocks_render_for_builder( $block_id, $empty_message = '' ) { |
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return Blocks_Page_Builders::render_for_builder( $block_id, $empty_message ); |
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} |
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|
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function blocks_get_all_blocks_for_dropdown() { |
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return Blocks_Page_Builders::get_all_blocks_for_dropdown(); |
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} |
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|
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// Block instance helpers. |
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|
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function blocks( $id ) { |
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return Blocks::get_instance( $id ); |
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} |
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|
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function blocks_get_by_title( $title ) { |
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$args = array( |
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'post_type' => Blocks::POST_TYPE, |
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'title' => $title, |
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'post_status' => 'any', |
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'numberposts' => 1, |
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'fields' => 'ids', |
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); |
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|
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$posts = get_posts( $args ); |
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|
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if ( empty( $posts ) ) { |
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return null; |
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} |
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|
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return blocks( $posts[0] ); |
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} |
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|
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function blocks_get_current() { |
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$current = Blocks::get_current(); |
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if ( $current ) { |
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return $current; |
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} |
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} |
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|
