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May 19, 2017 05:28
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WordPress: set a title attribute in gallery output; some plugins will display this as a caption
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| <?php | |
| /** | |
| * Add Title Field | |
| * - adds image caption to image tags; will show up as gallery captions | |
| * - this example uses image caption if defined, with fallback to post title | |
| * - edit as desired to choose post title, description, or caption (excerpt) | |
| */ | |
| add_filter( 'wp_get_attachment_link', function( $anchor, $id ) { | |
| $_post = get_post( $id ); | |
| if ( !$_post ) { | |
| return $anchor; | |
| } | |
| $title = $_post->post_excerpt; // caption | |
| $title = $title ? $title : $_post->post_title; // actual title | |
| // $title_tag = $_post->post_content; // description | |
| $title = esc_html( $title ); | |
| $anchor = str_replace( 'href', "title='$title' href", $anchor ); | |
| return $anchor; | |
| }, 10, 2 ); |
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5/18/17 - added
$title = esc_html( $title );as it was breaking when the caption/title had quote characters in it