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Fix a PHP 5.4-ism that slipped in.
git-svn-id: http://core.svn.wordpress.org/trunk@24670 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -101,7 +101,8 @@ function wp_prepare_revisions_for_js( $post, $selected_revision_id, $from = null
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// Now, grab the initial diff
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// Now, grab the initial diff
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$compare_two_mode = (bool) $from;
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$compare_two_mode = (bool) $from;
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if ( ! $from ) // Single mode
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if ( ! $from ) // Single mode
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$from = array_keys( array_slice( $revisions, array_search( $selected_revision_id, array_keys( $revisions ) ) - 1, 1, true ) )[0];
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$from = array_keys( array_slice( $revisions, array_search( $selected_revision_id, array_keys( $revisions ) ) - 1, 1, true ) );
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$from = $from[0];
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$diffs = array( array(
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$diffs = array( array(
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'id' => $from . ':' . $selected_revision_id,
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'id' => $from . ':' . $selected_revision_id,
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