I want to save extra information before sending the total order to Paypal. For each item I have created a single column in my MySQL database where I want to store it. Now I
To convert any array (or any object) into a string using PHP, call the serialize():
$array = array( 1, 2, 3 );
$string = serialize( $array );
echo $string;
$string will now hold a string version of the array. The output of the above code is as follows:
a:3:{i:0;i:1;i:1;i:2;i:2;i:3;}
To convert back from the string to the array, use unserialize():
// $array will contain ( 1, 2, 3 )
$array = unserialize( $string );