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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.
Built from https://develop.svn.wordpress.org/trunk@42860


git-svn-id: http://core.svn.wordpress.org/trunk@42690 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov
2018-03-20 21:35:31 +00:00
parent b05cb5e5ed
commit 8a701e5b3f
2 changed files with 3 additions and 2 deletions
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3
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>";
}