530 lines
14 KiB
PHP
530 lines
14 KiB
PHP
<?php
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namespace Activitypub;
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class Shortcodes {
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/**
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* Class constructor, registering WordPress then shortcodes
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*
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* @param WP_Post $post A WordPress Post Object
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*/
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public static function init() {
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foreach ( get_class_methods( 'Activitypub\Shortcodes' ) as $shortcode ) {
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if ( $shortcode != 'init' ) {
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add_shortcode( 'ap_' . $shortcode, array( 'Activitypub\Shortcodes', $shortcode ) );
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}
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}
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}
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/**
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* Generates output for the ap_hashtags shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function hashtags( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$tags = \get_the_tags( $post->ID );
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if ( ! $tags ) {
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return '';
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}
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$hash_tags = array();
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foreach ( $tags as $tag ) {
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$hash_tags[] = \sprintf( '<a rel="tag" class="u-tag u-category" href="%s">#%s</a>', \get_tag_link( $tag ), $tag->slug );
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}
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return \implode( ' ', $hash_tags );
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}
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/**
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* Generates output for the ap_title shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function title( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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return \get_the_title( $post->ID );
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}
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/**
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* Generates output for the ap_excerpt shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function excerpt( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$atts = shortcode_atts( array( 'length' => ACTIVITYPUB_EXCERPT_LENGTH ), $atts, $tag );
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$length = intval( $atts['length'] );
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if ( $length == 0 ) {
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$length = ACTIVITYPUB_EXCERPT_LENGTH; }
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$excerpt = \get_post_field( 'post_excerpt', $post );
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if ( '' === $excerpt ) {
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$content = \get_post_field( 'post_content', $post );
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// An empty string will make wp_trim_excerpt do stuff we do not want.
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if ( '' !== $content ) {
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$excerpt = \strip_shortcodes( $content );
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/** This filter is documented in wp-includes/post-template.php */
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$excerpt = \apply_filters( 'the_content', $excerpt );
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$excerpt = \str_replace( ']]>', ']]>', $excerpt );
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}
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}
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// Strip out any remaining tags.
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$excerpt = \wp_strip_all_tags( $excerpt );
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/** This filter is documented in wp-includes/formatting.php */
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$excerpt_more = \apply_filters( 'excerpt_more', ' [...]' );
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$excerpt_more_len = strlen( $excerpt_more );
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// We now have a excerpt, but we need to check it's length, it may be longer than we want for two reasons:
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//
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// * The user has entered a manual excerpt which is longer that what we want.
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// * No manual excerpt exists so we've used the content which might be longer than we want.
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//
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// Either way, let's trim it up if we need too. Also, don't forget to take into account the more indicator
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// as part of the total length.
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//
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// Setup a variable to hold the current excerpts length.
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$current_excerpt_length = strlen( $excerpt );
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// Setup a variable to keep track of our target length.
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$target_excerpt_length = $excerpt_length - $excerpt_more_len;
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// Setup a variable to keep track of the current max length.
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$current_excerpt_max = $target_excerpt_length;
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// This is a loop since we can't calculate word break the string after 'the_excpert' filter has run (we would break
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// all kinds of html tags), so we have to cut the excerpt down a bit at a time until we hit our target length.
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while ( $current_excerpt_length > $target_excerpt_length && $current_excerpt_max > 0 ) {
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// Trim the excerpt based on wordwrap() positioning.
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// Note: we're using <br> as the linebreak just in case there are any newlines existing in the excerpt from the user.
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// There won't be any <br> left after we've run wp_strip_all_tags() in the code above, so they're
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// safe to use here. It won't be included in the final excerpt as the substr() will trim it off.
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$excerpt = substr( $excerpt, 0, strpos( wordwrap( $excerpt, $current_excerpt_max, '<br>' ), '<br>' ) );
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// If something went wrong, or we're in a language that wordwrap() doesn't understand,
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// just chop it off and don't worry about breaking in the middle of a word.
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if ( strlen( $excerpt ) > $excerpt_length - $excerpt_more_len ) {
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$excerpt = substr( $excerpt, 0, $current_excerpt_max );
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}
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// Add in the more indicator.
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$excerpt = $excerpt . $excerpt_more;
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// Run it through the excerpt filter which will add some html tags back in.
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$excerpt_filtered = apply_filters( 'the_excerpt', $excerpt );
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// Now set the current excerpt length to this new filtered length.
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$current_excerpt_length = strlen( $excerpt_filtered );
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// Check to see if we're over the target length.
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if ( $current_excerpt_length > $target_excerpt_length ) {
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// If so, remove 20 characters from the current max and run the loop again.
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$current_excerpt_max = $current_excerpt_max - 20;
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}
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}
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return \apply_filters( 'the_excerpt', $excerpt );
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}
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/**
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* Generates output for the ap_content shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function content( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$content = \get_post_field( 'post_content', $post );
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return \apply_filters( 'the_content', $content );
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}
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/**
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* Generates output for the ap_permalink shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function permalink( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$atts = shortcode_atts( array( 'type' => 'html' ), $atts, $tag );
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if ( is_array( $atts ) && array_key_exists( 'type', $atts ) ) {
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if ( $atts['type'] == 'raw' ) {
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return \get_permalink( $post->ID );
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}
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if ( $atts['type'] == 'esc' ) {
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return \esc_url( \get_permalink( $post->ID ) );
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}
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if ( $atts['type'] == 'blank' ) {
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return \sprintf( '<a href="%1$s" target="_blank">%1$s</a>', \esc_url( \get_permalink( $post->ID ) ) );
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}
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}
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return \sprintf( '<a href="%1$s">%1$s</a>', \esc_url( \get_permalink( $post->ID ) ) );
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}
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/**
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* Generates output for the ap_shortlink shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function shortlink( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$atts = shortcode_atts( array( 'type' => 'html' ), $atts, $tag );
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if ( is_array( $atts ) && array_key_exists( 'type', $atts ) ) {
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if ( $atts['type'] == 'raw' ) {
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return \wp_get_shortlink( $post->ID );
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}
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if ( $atts['type'] == 'esc' ) {
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return \esc_url( \wp_get_shortlink( $post->ID ) );
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}
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if ( $atts['type'] == 'blank' ) {
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return \sprintf( '<a href="%1$s" target="_blank">%1$s</a>', \esc_url( \wp_get_shortlink( $post->ID ) ) );
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}
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}
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return \sprintf( '<a href="%1$s">%1$s</a>', \esc_url( \wp_get_shortlink( $post->ID ) ) );
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}
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/**
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* Generates output for the ap_thumbnail shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function thumbnail( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$image = \get_the_post_thumbnail_url( $post->ID, 'thumbnail' );
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if ( ! $image ) {
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return '';
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}
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return $image;
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}
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/**
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* Generates output for the ap_image shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function image( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$atts = shortcode_atts( array( 'size' => 'full' ), $atts, $tag );
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if ( is_array( $atts ) && array_key_exists( 'size', $atts ) ) {
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$registered_sizes = wp_get_registered_image_subsizes();
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if ( array_key_exists( $atts['size'], $registered_sizes ) ) {
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$size = intval( $atts['size'] );
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}
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}
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if ( ! $size ) {
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$size = 'full'; }
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$image = \get_the_post_thumbnail_url( $post->ID, $size );
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if ( ! $image ) {
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return '';
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}
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return $image;
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}
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/**
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* Generates output for the ap_hashcats shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function hashcats( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$categories = \get_the_category( $post->ID );
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if ( ! $categories ) {
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return '';
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}
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$hash_tags = array();
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foreach ( $categories as $category ) {
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$hash_tags[] = \sprintf( '<a rel="tag" class="u-tag u-category" href="%s">#%s</a>', \get_category_link( $category ), $category->slug );
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}
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return \implode( ' ', $hash_tags );
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}
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/**
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* Generates output for the ap_author shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function author( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$name = \get_the_author_meta( 'display_name', $post->post_author );
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if ( ! $name ) {
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return '';
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}
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return $name;
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}
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/**
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* Generates output for the ap_authorurl shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function authorurl( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$url = \get_the_author_meta( 'user_url', $post->post_author );
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if ( ! $url ) {
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return '';
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}
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return $url;
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}
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/**
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* Generates output for the ap_blogurl shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function blogurl( $atts, $content, $tag ) {
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return \get_bloginfo( 'url' );
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}
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/**
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* Generates output for the ap_blogname shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function blogname( $atts, $content, $tag ) {
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return \get_bloginfo( 'name' );
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}
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/**
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* Generates output for the ap_blogdesc shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function blogdesc( $atts, $content, $tag ) {
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return \get_bloginfo( 'description' );
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}
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/**
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* Generates output for the ap_date shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function date( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$datetime = \get_post_datetime( $post );
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$dateformat = \get_option( 'date_format' );
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$timeformat = \get_option( 'time_format' );
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$date = $datetime->format( $dateformat );
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if ( ! $date ) {
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return '';
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}
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return $date;
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}
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/**
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* Generates output for the ap_time shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function time( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$datetime = \get_post_datetime( $post );
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$dateformat = \get_option( 'date_format' );
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$timeformat = \get_option( 'time_format' );
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$date = $datetime->format( $timeformat );
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if ( ! $date ) {
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return '';
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}
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return $date;
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}
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/**
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* Generates output for the ap_datetime shortcode
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*
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* @param array $atts shortcode attributes
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* @param string $content shortcode content
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* @param string $tag shortcode tag name
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*
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* @return string
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*/
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public static function datetime( $atts, $content, $tag ) {
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$post = get_post();
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if ( ! \is_object( $post ) || ( \is_object( $post ) && get_class( $post ) != 'WP_Post' ) ) {
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return '';
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}
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$datetime = \get_post_datetime( $post );
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$dateformat = \get_option( 'date_format' );
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$timeformat = \get_option( 'time_format' );
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$date = $datetime->format( $dateformat . ' @ ' . $timeformat );
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if ( ! $date ) {
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return '';
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}
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return $date;
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}
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}
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