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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1212 | unset( $form_fields['menu_order'] ); |
| 1213 | break; |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | $media_dims = ''; |
| 1218 | $meta = wp_get_attachment_metadata( $post->ID ); |
| 1219 | if ( is_array( $meta ) && array_key_exists( 'width', $meta ) && array_key_exists( 'height', $meta ) ) |
| 1220 | $media_dims .= "<span id='media-dims-$post->ID'>{$meta['width']} × {$meta['height']}</span> "; |
| 1221 | $media_dims = apply_filters( 'media_meta', $media_dims, $post ); |
| 1222 | |
| 1223 | $image_edit_button = ''; |
| 1224 | if ( gd_edit_image_support( $post->post_mime_type ) ) { |
| 1225 | $nonce = wp_create_nonce( "image_editor-$post->ID" ); |
| 1226 | $image_edit_button = "<input type='button' id='imgedit-open-btn-$post->ID' onclick='imageEdit.open( $post->ID, \"$nonce\" )' class='button' value='" . esc_attr__( 'Edit Image' ) . "' /> <img src='" . esc_url( admin_url( 'images/wpspin_light.gif' ) ) . "' class='imgedit-wait-spin' alt='' />"; |
| 1227 | } |
| 1228 | |
| 1229 | $attachment_url = get_permalink( $attachment_id ); |
| 1230 | |