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<?php su_add_shortcode( array( 'id' => 'meta', 'callback' => 'su_shortcode_meta', 'image' => su_get_plugin_url() . 'admin/images/shortcodes/meta.svg', 'name' => __('Meta data', 'shortcodes-ultimate'), 'type' => 'single', 'group' => 'data', 'atts' => array( 'key' => array( 'default' => '', 'name' => __('Key', 'shortcodes-ultimate'), 'desc' => __('Meta key name', 'shortcodes-ultimate'), ), 'default' => array( 'default' => '', 'name' => __('Default', 'shortcodes-ultimate'), 'desc' => __('This text will be shown if data is not found', 'shortcodes-ultimate'), ), 'before' => array( 'default' => '', 'name' => __('Before', 'shortcodes-ultimate'), 'desc' => __('This content will be shown before the value', 'shortcodes-ultimate'), ), 'after' => array( 'default' => '', 'name' => __('After', 'shortcodes-ultimate'), 'desc' => __('This content will be shown after the value', 'shortcodes-ultimate'), ), 'post_id' => array( 'default' => '', 'name' => __('Post ID', 'shortcodes-ultimate'), 'desc' => __('You can specify custom post ID. Leave this field empty to use an ID of the current post. Current post ID may not work in Live Preview mode', 'shortcodes-ultimate'), ), 'filter' => array( 'default' => '', 'name' => __('Filter', 'shortcodes-ultimate'), 'desc' => __('You can apply custom filter to the retrieved value. Enter here function name. Your function must accept one argument and return modified value. Name of your function must include word <b>filter</b>. Example function: ', 'shortcodes-ultimate') . "<br /><pre><code style='display:block;padding:5px'>function my_custom_filter( \$value ) {\n\treturn 'Value is: ' . \$value;\n}</code></pre>", ), ), 'desc' => __('Post meta', 'shortcodes-ultimate'), 'icon' => 'info-circle', ) ); function su_shortcode_meta($atts = null, $content = null) { $atts = shortcode_atts( array( 'key' => '', 'default' => '', 'before' => '', 'after' => '', 'post_id' => '', 'filter' => '', ), $atts, 'meta' ); $allowed_keys = apply_filters('su/shortcode/meta/allowed_keys', []); $key_allowed = in_array($atts['key'], $allowed_keys, true); if (!$key_allowed && !su_is_unsafe_features_enabled()) { return su_error_message( 'Meta', sprintf( '%s.<br><a href="https://getshortcodes.com/docs/unsafe-features/" target="_blank">%s</a>', __('This shortcode cannot be used while <b>Unsafe features</b> option is turned off', 'shortcodes-ultimate'), __('Learn more', 'shortcodes-ultimate') ) ); } if (!$atts['post_id']) { $atts['post_id'] = get_the_ID(); } if (!is_numeric($atts['post_id']) \|\| $atts['post_id'] < 1) { return sprintf('<p class="su-error">Meta: %s</p>', __('post ID is incorrect', 'shortcodes-ultimate')); } if (!$atts['key']) { return sprintf('<p class="su-error">Meta: %s</p>', __('please specify meta key name', 'shortcodes-ultimate')); } $meta = get_post_meta($atts['post_id'], $atts['key'], true); if (!$meta) { $meta = $atts['default']; } $meta = su_safely_apply_user_filter($atts['filter'], $meta); return $meta ? wp_kses_post($atts['before'] . $meta . $atts['after']) : ''; }

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