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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 |
---|---|
3158 | } |
3159 |
|
3160 | if ( current_user_can( 'delete_post', $attachment->ID ) ) |
3161 | $response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID ); |
3162 |
|
3163 | if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) { |
3164 | $sizes = array(); |
3165 |
|
3166 | /** This filter is documented in wp-admin/includes/media.php */ |
3167 | $possible_sizes = apply_filters( 'image_size_names_choose', array( |
3168 | 'thumbnail' => __('Thumbnail'), |
3169 | 'medium' => __('Medium'), |
3170 | 'large' => __('Large'), |
3171 | 'full' => __('Full Size'), |
3172 | ) ); |
3173 | unset( $possible_sizes['full'] ); |
3174 |
|
3175 | // Loop through all potential sizes that may be chosen. Try to do this with some efficiency. |
3176 | // First: run the image_downsize filter. If it returns something, we can use its data. |