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Replace the featured image with WebP version when available #18

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mehulkaklotar wants to merge 2 commits into from
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Replace the featured image with WebP version when available #18

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7066d1e
replace post thumbnail html tag with alternate mime type if available
mehulkaklotar May 23, 2022
ccc5fcd
testcases fix for alternate mime types for thumbnail image
mehulkaklotar May 23, 2022
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1 change: 1 addition & 0 deletions src/wp-includes/post-thumbnail-template.php
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Original file line number Diff line number Diff line change
Expand Up @@ -200,6 +200,7 @@ function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr =
}

$html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );
$html = wp_image_use_alternate_mime_types( $html, 'post_thumbnail_html', $post_thumbnail_id );

/**
* Fires after fetching the post thumbnail HTML.
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2 changes: 2 additions & 0 deletions tests/phpunit/tests/post/thumbnails.php
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Expand Up @@ -166,6 +166,7 @@ public function test_get_the_post_thumbnail() {
'class' => 'attachment-post-thumbnail size-post-thumbnail wp-post-image',
)
);
$expected = wp_image_use_alternate_mime_types( $expected, 'post_thumbnail_html', self::$attachment_id );

$this->assertSame( $expected, get_the_post_thumbnail( self::$post ) );

Expand Down Expand Up @@ -194,6 +195,7 @@ public function test_the_post_thumbnail() {
'class' => 'attachment-post-thumbnail size-post-thumbnail wp-post-image',
)
);
$expected = wp_image_use_alternate_mime_types( $expected, 'post_thumbnail_html', self::$attachment_id );

$this->expectOutputString( $expected );
the_post_thumbnail();
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