91 lines
2.2 KiB
PHP
91 lines
2.2 KiB
PHP
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<?php
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/**
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* Module Name: WP.me Shortlinks
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* Module Description: Enable WP.me-powered shortlinks for all posts and pages.
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* Sort Order: 8
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* First Introduced: 1.1
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* Requires Connection: Yes
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* Auto Activate: Yes
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* Module Tags: Social
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* Additional Search Queries: shortlinks, wp.me
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*/
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add_filter( 'pre_get_shortlink', 'wpme_get_shortlink_handler', 1, 4 );
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if ( !function_exists( 'wpme_dec2sixtwo' ) ) {
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function wpme_dec2sixtwo( $num ) {
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$index = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$out = "";
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if ( $num < 0 ) {
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$out = '-';
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$num = abs( $num );
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}
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for ( $t = floor( log10( $num ) / log10( 62 ) ); $t >= 0; $t-- ) {
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$a = floor( $num / pow( 62, $t ) );
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$out = $out . substr( $index, $a, 1 );
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$num = $num - ( $a * pow( 62, $t ) );
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}
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return $out;
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}
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}
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function wpme_get_shortlink( $id = 0, $context = 'post', $allow_slugs = true ) {
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global $wp_query;
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$blog_id = Jetpack_Options::get_option( 'id' );
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if ( 'query' == $context ) {
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if ( is_singular() ) {
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$id = $wp_query->get_queried_object_id();
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$context = 'post';
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} elseif ( is_front_page() ) {
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$context = 'blog';
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} else {
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return '';
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}
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}
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if ( 'blog' == $context ) {
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if ( empty( $id ) )
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$id = $blog_id;
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$wpme_url = 'http://wp.me/' . wpme_dec2sixtwo( $id );
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return set_url_scheme( $wpme_url );
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}
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$post = get_post( $id );
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if ( empty( $post ) )
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return '';
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$post_id = $post->ID;
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$type = '';
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if ( $allow_slugs && 'publish' == $post->post_status && 'post' == $post->post_type && strlen( $post->post_name ) <= 8 && false === strpos( $post->post_name, '%' )
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&& false === strpos( $post->post_name, '-' ) ) {
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$id = $post->post_name;
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$type = 's';
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} else {
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$id = wpme_dec2sixtwo( $post_id );
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if ( 'page' == $post->post_type )
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$type = 'P';
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elseif ( 'post' == $post->post_type || post_type_supports( $post->post_type, 'shortlinks' ) )
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$type= 'p';
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elseif ( 'attachment' == $post->post_type )
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$type = 'a';
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}
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if ( empty( $type ) )
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return '';
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$url = 'http://wp.me/' . $type . wpme_dec2sixtwo( $blog_id ) . '-' . $id;
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return set_url_scheme( $url );
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}
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function wpme_get_shortlink_handler( $shortlink, $id, $context, $allow_slugs ) {
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return wpme_get_shortlink( $id, $context, $allow_slugs );
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}
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