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Media: when making images responsive, check if they already have a `sizes` attribute. 

Adds unit test.

Props jaspermdegroot.
Fixes #34678.


git-svn-id: https://develop.svn.wordpress.org/trunk@35678 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor 2015-11-18 19:47:11 +00:00
parent f16f273cd2
commit 4aa34cf092
2 changed files with 21 additions and 7 deletions
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17
src/wp-includes/media.php
View File

@ -1205,7 +1205,7 @@ function wp_make_content_images_responsive( $content ) {
$selected_images = $attachment_ids = array();
foreach( $images as $image ) {
if ( false === strpos( $image, ' srcset="' ) && preg_match( '/wp-image-([0-9]+)/i', $image, $class_id ) &&
if ( false === strpos( $image, ' srcset=' ) && preg_match( '/wp-image-([0-9]+)/i', $image, $class_id ) &&
( $attachment_id = absint( $class_id[1] ) ) ) {
/*
@ -1302,15 +1302,24 @@ function wp_image_add_srcset_and_sizes( $image, $image_meta, $attachment_id ) {
$srcset = wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attachment_id );
if ( $srcset ) {
$sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
// Check if there is already a 'sizes' attribute.
$sizes = strpos( $image, ' sizes=' );
if ( ! $sizes ) {
$sizes = wp_calculate_image_sizes( $size_array, $image_src, $image_meta, $attachment_id );
}
}
if ( $srcset && $sizes ) {
// Format the 'srcset' and 'sizes' string and escape attributes.
$srcset_and_sizes = sprintf( ' srcset="%s" sizes="%s"', esc_attr( $srcset ), esc_attr( $sizes ) );
$attr = sprintf( ' srcset="%s"', esc_attr( $srcset ) );
if ( is_string( $sizes ) ) {
$attr .= sprintf( ' sizes="%s"', esc_attr( $sizes ) );
}
// Add 'srcset' and 'sizes' attributes to the image markup.
$image = preg_replace( '/<img ([^>]+?)[\/ ]*>/', '<img $1' . $srcset_and_sizes . ' />', $image );
$image = preg_replace( '/<img ([^>]+?)[\/ ]*>/', '<img $1' . $attr . ' />', $image );
}
return $image;

11
tests/phpunit/tests/media.php
View File

@ -961,11 +961,13 @@ EOF;
$img_no_width_height = str_replace( ' width="' . $size_array[0] . '"', '', $img );
$img_no_width_height = str_replace( ' height="' . $size_array[1] . '"', '', $img_no_width_height );
$img_no_size_id = str_replace( 'wp-image-', 'id-', $img );
$img_with_sizes_attr = str_replace( '<img ', '<img sizes="99vw" ', $img );
// Manually add srcset and sizes to the markup from get_image_tag();
$respimg = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img );
$respimg_no_size_in_class = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_no_size_in_class );
$respimg_no_width_height = preg_replace( '|<img ([^>]+) />|', '<img $1 ' . $srcset . ' ' . $sizes . ' />', $img_no_width_height );
$respimg_with_sizes_attr = preg_replace('|<img ([^>]+) />|', '<img $1 ' . $srcset . ' />', $img_with_sizes_attr );
$content = '
<p>Image, standard. Should have srcset and sizes.</p>
@ -978,10 +980,13 @@ EOF;
%3$s
<p>Image, no attachment ID class. Should NOT have srcset and sizes.</p>
%4$s';
%4$s
$content_unfiltered = sprintf( $content, $img, $img_no_size_in_class, $img_no_width_height, $img_no_size_id );
$content_filtered = sprintf( $content, $respimg, $respimg_no_size_in_class, $respimg_no_width_height, $img_no_size_id );
<p>Image, with sizes attribute. Should NOT have two sizes attributes.</p>
%5$s';
$content_unfiltered = sprintf( $content, $img, $img_no_size_in_class, $img_no_width_height, $img_no_size_id, $img_with_sizes_attr );
$content_filtered = sprintf( $content, $respimg, $respimg_no_size_in_class, $respimg_no_width_height, $img_no_size_id, $respimg_with_sizes_attr );
$this->assertSame( $content_filtered, wp_make_content_images_responsive( $content_unfiltered ) );
}