WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 2189 | if ( |
| 2190 | wp_is_mobile() && |
| 2191 | str_contains( $_SERVER['HTTP_USER_AGENT'], 'OS 7_' ) && |
| 2192 | str_contains( $_SERVER['HTTP_USER_AGENT'], 'like Mac OS X' ) |
| 2193 | ) { |
| 2194 | $plupload_init['multi_selection'] = false; |
| 2195 | } |
| 2196 | |
| 2197 | /** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */ |
| 2198 | $prevent_unsupported_uploads = apply_filters( 'wp_prevent_unsupported_mime_type_uploads', true, null ); |
| 2199 | |
| 2200 | if ( $prevent_unsupported_uploads ) { |
| 2201 | // Check if WebP images can be edited. |
| 2202 | if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/webp' ) ) ) { |
| 2203 | $plupload_init['webp_upload_error'] = true; |
| 2204 | } |
| 2205 | |
| 2206 | // Check if AVIF images can be edited. |
| 2207 | if ( ! wp_image_editor_supports( array( 'mime_type' => 'image/avif' ) ) ) { |