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issue 2712 fix bug in php4
git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.3.2@12315 201d5d3c-b55e-5fd7-737f-ddc643e51545
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@ -278,7 +278,7 @@
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{
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$click_count_columns = array();
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foreach($this->columns as $column){
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if($column->show() && $column instanceof ClickCountExpression)
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if($column->show() && is_a($column, 'ClickCountExpression'))
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$click_count_columns[] = $column;
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}
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return $click_count_columns;
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