数组输入值在mysql中插入空记录

Question

I use 4 input boxes with same name.I will fill only one input box at a time and insert in DB using php.But doing following method inserts three empty records along with value-filled 4 th record.Need help!

Html

                <input type="text" name="abc[]" id="abc" value=""> 
                <input type="text" name="abc[]" id="abc"  value="">
                <input type="text" name="abc[]" id="abc"  value="">
                <input type="text" name="abc[]" id="abc" value="">

Php

$abc = $_POST['abc'];
        if (is_array($abc)) {
                foreach($abc as $c) {

$insert="INSERT INTO item(productid) VALUES ('$c')";
                    $insert2=mysql_query($insert);              }

}

Answer 1

just check if the value is not empty then insert to database.

$abc = $_POST['abc'];
if (is_array($abc)) {
    foreach ($abc as $c) {
        if(!empty($c)){
            $insert = "INSERT INTO item(productid) VALUES ('$c')";
            $insert2 = mysql_query($insert);
        }
    }

}