php 删除空数组
php 删除空数组
$fangId = PostGet('houseId'); // 取得地址栏值 $tempArray = array_filter(explode('_',$fangId),"filter"); //以__分成数组并且删除空数组 if( is_array($tempArray) && !empty( $tempArray ) ) //判断数组是否有值 { print_r($tempArray); //测试输出 } else { MessAge('请选择对比较楼盘','list.php'); } /* function filter($var) 处理函数 { if($var == '') { return false; } return true; } */
测试方法:/compare.php?houseId=2306__2307__2303__2308
方法二
function array_to_hashmap(& $arr, $keyField, $valueField = null) { $ret = array(); if($valueField) { foreach ($arr as $row) { $ret[$row[$keyField]] = $row[$valueField]; } } else { foreach($arr as $row) { $ret[$row[$keyField]] = $row; } } return $ret; }
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