PHP Delete Empty array

PHP Delete Empty array

$fangId = Postget (' Houseid '); Gets the address bar value $tempArray = array_filter (Explode (' _ ', $fangId), "filter"); Divide the array with __ and delete the empty array  if (Is_array ($tempArray) &&!empty ($tempArray))//Determine if the array has a value of {  print_r ($tempArray); /test Output} else {  MessAge (' Please select the Comparison property ', ' list.php ');  }  /* Function filter ($var)  handler {    if ($var = = ")    {     return false;    }    return true;  } */

Test method:/compare.php?houseid=2306__2307__2303__2308

Method Two

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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