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HTML API: Double escape character refs when setting attribute values #10143

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sirreal wants to merge 13 commits into from
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HTML API: Double escape character refs when setting attribute values #10143

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8d8622e
Layout ternary on multiple lines
sirreal Oct 3, 2025
8e0d406
Escape with htmlspecialchars
sirreal Oct 3, 2025
66af901
Add test
sirreal Oct 3, 2025
ff62be1
Use assertEqualHTML for legible test output
sirreal Oct 3, 2025
daef88f
Update two tests for no-double-encode behavior
sirreal Oct 3, 2025
c2e2ad4
Update tests
sirreal Oct 3, 2025
5e5473a
Update block supports tests
sirreal Oct 3, 2025
40cfce5
Merge branch 'trunk' into trac-64054
sirreal Oct 8, 2025
1435b6e
Update escaping function to use simple strtr()
sirreal Oct 8, 2025
b581113
Update comment about attribute value escaping
sirreal Oct 8, 2025
0db1374
Improve function description following review suggestion.
sirreal Oct 9, 2025
605b00d
Fix typo in comment, expand examples, and copy to HTML Processor.
dmsnell Oct 9, 2025
00f01bf
Moar text fixes
dmsnell Oct 9, 2025
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Update block supports tests 
The HTML5 encoding uses ' instead of the numeric character
reference.
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@sirreal
sirreal committed Oct 3, 2025
commit 5e5473a9ffe3244896f9cad2a0edd06e4f899a97
10 changes: 5 additions & 5 deletions tests/phpunit/tests/block-supports/wpRenderBackgroundSupport.php
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Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,7 @@ public function data_background_block_support() {
'url' => 'https://example.com/image.jpg',
),
),
'expected_wrapper' => '<div class="has-background" style="background-image:url(&#039;https://example.com/image.jpg&#039;);background-size:cover;">Content</div>',
'expected_wrapper' => '<div class="has-background" style="background-image:url(&apos;https://example.com/image.jpg&apos;);background-size:cover;">Content</div>',
'wrapper' => '<div>Content</div>',
),
'background image style with contain, position, attachment, and repeat is applied' => array(
Expand All @@ -155,7 +155,7 @@ public function data_background_block_support() {
'backgroundSize' => 'contain',
'backgroundAttachment' => 'fixed',
),
'expected_wrapper' => '<div class="has-background" style="background-image:url(&#039;https://example.com/image.jpg&#039;);background-position:50% 50%;background-repeat:no-repeat;background-size:contain;background-attachment:fixed;">Content</div>',
'expected_wrapper' => '<div class="has-background" style="background-image:url(&apos;https://example.com/image.jpg&apos;);background-position:50% 50%;background-repeat:no-repeat;background-size:contain;background-attachment:fixed;">Content</div>',
'wrapper' => '<div>Content</div>',
),
'background image style is appended if a style attribute already exists' => array(
Expand All @@ -169,7 +169,7 @@ public function data_background_block_support() {
'url' => 'https://example.com/image.jpg',
),
),
'expected_wrapper' => '<div class="wp-block-test has-background" style="color: red;background-image:url(&#039;https://example.com/image.jpg&#039;);background-size:cover;">Content</div>',
'expected_wrapper' => '<div class="wp-block-test has-background" style="color: red;background-image:url(&apos;https://example.com/image.jpg&apos;);background-size:cover;">Content</div>',
'wrapper' => '<div class="wp-block-test" style="color: red">Content</div>',
),
'background image style is appended if a style attribute containing multiple styles already exists' => array(
Expand All @@ -183,7 +183,7 @@ public function data_background_block_support() {
'url' => 'https://example.com/image.jpg',
),
),
'expected_wrapper' => '<div class="wp-block-test has-background" style="color: red;font-size: 15px;background-image:url(&#039;https://example.com/image.jpg&#039;);background-size:cover;">Content</div>',
'expected_wrapper' => '<div class="wp-block-test has-background" style="color: red;font-size: 15px;background-image:url(&apos;https://example.com/image.jpg&apos;);background-size:cover;">Content</div>',
'wrapper' => '<div class="wp-block-test" style="color: red;font-size: 15px;">Content</div>',
),
'background image style is appended if a boolean style attribute already exists' => array(
Expand All @@ -198,7 +198,7 @@ public function data_background_block_support() {
'source' => 'file',
),
),
'expected_wrapper' => '<div class="has-background" classname="wp-block-test" style="background-image:url(&#039;https://example.com/image.jpg&#039;);background-size:cover;">Content</div>',
'expected_wrapper' => '<div class="has-background" classname="wp-block-test" style="background-image:url(&apos;https://example.com/image.jpg&apos;);background-size:cover;">Content</div>',
'wrapper' => '<div classname="wp-block-test" style>Content</div>',
),
'background image style is not applied if the block does not support background image' => array(
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