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Formatting: Avoid a PHP 7.2 warning in wp_kses_attr() when one of $allowedtags elements is an uncountable value.

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Props andrei0x309, soulseekah, SergeyBiryukov.
Fixes #43312.

git-svn-id: https://develop.svn.wordpress.org/trunk@42860 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2018-03-20 21:34:15 +00:00
parent 4902da091c
commit db606c9bb2
2 changed files with 12 additions and 1 deletions
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3
src/wp-includes/kses.php
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@@ -1047,7 +1047,8 @@ function wp_kses_attr( $element, $attr, $allowed_html, $allowed_protocols ) {
}
// Are any attributes allowed at all for this element?
if ( ! isset( $allowed_html[ strtolower( $element ) ] ) || true === $allowed_html[ strtolower( $element ) ] || count( $allowed_html[ strtolower( $element ) ] ) == 0 ) {
$element_low = strtolower( $element );
if ( empty( $allowed_html[ $element_low ] ) || true === $allowed_html[ $element_low ] ) {
return "<$element$xhtml_slash>";
}