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Responsive images: add inline docs for private functions.

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Props swissspidy.
See #34430.

git-svn-id: https://develop.svn.wordpress.org/trunk@35426 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Ozz 2015-10-28 21:54:04 +00:00
parent 501fef30d6
commit 63b27d209a
1 changed files with 22 additions and 7 deletions
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29
src/wp-includes/media.php
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@ -869,7 +869,12 @@ function wp_get_attachment_image_url( $attachment_id, $size = 'thumbnail', $icon
}
/**
* Private, do not use
* Caches and returns the base URL of the uploads directory.
*
* @since 4.4.0
* @access private
*
* @return string The base URL, cached.
*/
function _wp_upload_dir_baseurl() {
static $baseurl = null;
@ -883,18 +888,28 @@ function _wp_upload_dir_baseurl() {
}
/**
* Private, do not use
* Get the image size as array from its meta data.
*
* Used for responsive images.
*
* @since 4.4.0
* @access private
*
* @param string $size_name Image size. Accepts any valid image size name (thumbnail, medium, etc.).
* @param array $image_meta The image meta data.
* @return array|bool Array of width and height values in pixels (in that order)
* or false if the size doesn't exist.
*/
function _wp_get_image_size_from_meta( $size, $image_meta ) {
if ( $size === 'full' ) {
function _wp_get_image_size_from_meta( $size_name, $image_meta ) {
if ( $size_name === 'full' ) {
return array(
absint( $image_meta['width'] ),
absint( $image_meta['height'] ),
);
} elseif ( ! empty( $image_meta['sizes'][$size] ) ) {
} elseif ( ! empty( $image_meta['sizes'][$size_name] ) ) {
return array(
absint( $image_meta['sizes'][$size]['width'] ),
absint( $image_meta['sizes'][$size]['height'] ),
absint( $image_meta['sizes'][$size_name]['width'] ),
absint( $image_meta['sizes'][$size_name]['height'] ),
);
}