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Media: Avoid a PHP warning in wp_calculate_image_srcset()
if a plugin returns a non-array value via wp_calculate_image_srcset
filter.
Props mrmadhat, codegrau. Merges [42639] to the 4.9 branch. Fixes #43201. Built from https://develop.svn.wordpress.org/branches/4.9@42669 git-svn-id: http://core.svn.wordpress.org/branches/4.9@42497 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -1203,7 +1203,7 @@ function wp_calculate_image_srcset( $size_array, $image_src, $image_meta, $attac
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$sources = apply_filters( 'wp_calculate_image_srcset', $sources, $size_array, $image_src, $image_meta, $attachment_id );
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// Only return a 'srcset' value if there is more than one source.
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if ( ! $src_matched || count( $sources ) < 2 ) {
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if ( ! $src_matched || ! is_array( $sources ) || count( $sources ) < 2 ) {
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return false;
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}
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '4.9.5-alpha-42668';
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$wp_version = '4.9.5-alpha-42669';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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