Dylan Pulver c072ff85b3 Fix html_attr dropping style declarations whose value is zero ...

InlineStyle::getValue() skipped a declaration when empty($value) was true,
which also matches 0, 0.0 and '0'. Those are ordinary CSS values (opacity: 0,
z-index: 0, margin: 0, flex-grow: 0), so they were silently dropped, and a
style map containing only such declarations omitted the attribute entirely.

The sibling SeparatedTokenList::getValue() already uses an explicit
null/false test, so class token lists keep a 0 while style declarations did
not. The numeric-key branch of InlineStyle itself never consulted empty(),
so {style: ['opacity: 0']} printed while {style: {opacity: 0}} did not.

2026-09-03 20:24:11 +03:00

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AttributeValueInterface.php

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InlineStyle.php

Fix html_attr dropping style declarations whose value is zero

2026-09-03 20:24:11 +03:00

MergeableInterface.php

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SeparatedTokenList.php

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