Php Array value shuffle

[jay_bo]

I have used this code to remove and item in my array..However, it leaves a hole in my array and i was wondering how i could shuffle the values up.

 

$prod_id = (int) $_GET['id'];

unset($_SESSION["product"][$prod_id]);

 

Many thanks

[Wolphie]

http://php.net/manual/en/function.shuffle.php

[jay_bo]

I used shuffle($prod_id); but it didnt seem to work...I get an Warning: shuffle() expects parameter 1 to be array, integer given.

[jay_bo]

This is my whole block of code.....

 

if (isset($_GET['id'], $_GET["delete"]) && is_numeric($_GET['id']) && $_GET['delete'] =="true")//This line gets the value and reads it

{

  $prod_id = (int) $_GET['id'];

  unset($_SESSION["product"][$prod_id]);

  shuffle($prod_id);

  header ('Location: products.php?cat=1');

}

 

Where am i going wrong?

[sasa]

try

<?php
if (isset($_GET['id'], $_GET["delete"]) && is_numeric($_GET['id']) && $_GET['delete'] =="true")//This line gets the value and reads it
{
   $prod_id = (int) $_GET['id'];
   unset($_SESSION["product"][$prod_id]);
   $_SESSION["product"] = array_values($_SESSION["product"]);   
   header ('Location: products.php?cat=1');
}
?>

[jay_bo]

Sorry i should of explained what i am trying to do....I am trying to remove an item from my shopping cart which seems to work, but when i readd items they seem to mess up.

 

For example;

 

Before deletion:

Quantity      Product                                    Price

Quantity: 2 - Microsoft Windows 7 Professional - £319.98 Remove

Quantity: 3 - Microsoft Windows Vista Ultimate - £269.97 Remove

 

 

After i remove them and readd products:

Quantity      Product                              Price

Quantity: 2 - Microsoft Windows 7 Professional - £319.98 Remove

Quantity: 2 - - £0  Remove

 

You see the second item i add has no title or price.

 

This is my cart php code

 

 
    $cost = number_format($_SESSION["cost"],2,".",","); //Stores data into the variable
    echo '<form name="cart" method="post" action="shopping-cart.php" >';
    echo '<p class="center"><strong>SHOPPING CART</strong></p>';
    echo '<p>No of Items: <strong>'.$_SESSION['products'].'</strong><br/>Total Price: <strong>£'.$_SESSION['cost'].'</strong></p>'; //Variables displays the data
    echo '<input type="hidden" name="price" value="'.$row["price"].'">';
    echo '<p class="button"><input type="submit" name="Submit" value="Check Out"></p>';
    echo '</form>';
    echo '<form name="cart" method="post" action="logout.php" >';
    echo '<p class="button"><input type="submit" name="Submit" value="Logout"></p>';
    echo '</form>';

 

This is My shopping cart deletion code

 
    if (isset($_GET['id'], $_GET["delete"]) && is_numeric($_GET['id']) && $_GET['delete'] =="true")//This line gets the value and reads it
{
   $prod_id = (int) $_GET['id'];
   unset($_SESSION["product"][$prod_id]);
   $_SESSION["product"] = array_values($_SESSION["product"]);   
   header ('Location: products.php?cat=1');
}

 

Many thanks guys for your help so far.

[teamatomic]

Do a print_r and show the array before you delete anything.

 

 

HTH

Teamatomic

[jay_bo]

Array ( [6] => Array ( [title] => Microsoft Windows 7 Professional [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 159.99 [qty] => 2 )

[7] => Array ( [title] => Microsoft Windows Vista Ultimate [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 89.99 [qty] => 3 )

[8] => Array ( [title] => Microsoft Windows Vista Home [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 69.99 [qty] => 0 )

[28] => Array ( [title] => Nero 8 [description] => fdfdsfds [price] => 2.99 [qty] => 0 ) )

 

[teamatomic]

Array ( [6] => Array ( [title] => Microsoft Windows 7 Professional [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 159.99 [qty] => 2 )

 

Whatever sets the [6], be it product_id or whatever, thats what you want to unset

unset($array[6])//unset($array[$procuct_id])

 

 

HTH

Teamatomic

[jay_bo]

Yea product_id is set in my mysql table, so how would i go about this?

[teamatomic]

find this:

$prod_id = (int) $_GET['id'];

  unset($_SESSION["product"][$prod_id]);

 

try this:

$prod_id = (int) $_GET['id'];

  unset($_SESSION[$prod_id]);

 

 

HTH

Teamatomic

[jay_bo]

Unfortuantly it hasn't worked

 

  $prod_id = (int) $_GET['id'];

  unset($_SESSION[$prod_id]);

  $_SESSION["product"] = array_values($_SESSION["product"]);  <<<<Would i need to change this?

[teamatomic]

Why not try eliminating that. Why are you even doing that? You have a functioning array. you unset the sub_array that has the complete product in it. Why take the values and redo the array. Makes no sense to me.

 

 

HTH

Teamatomic

[jay_bo]

Oh i forgot to remove that from something i was trying before..this is my code now which removes the products...

  $prod_id = (int) $_GET['id'];

  unset($_SESSION['product'][$prod_id]); 

  header ('Location: products.php?cat=1');

 

At the moment i have one item in my shopping cart which has a quantity of two...The item is bold below but ive noticed that there are other items there already which dont have a quantity, should they actually be there?

 

Array ( [6] => Array ( [title] => Microsoft Windows 7 Professional [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 159.99 [qty] => 2 )

 

[7] => Array ( [title] => Microsoft Windows Vista Ultimate [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 89.99 [qty] => 0 )

 

[8] => Array ( [title] => Microsoft Windows Vista Home [description] => Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. [price] => 69.99 [qty] => 0 )

 

[28] => Array ( [title] => Nero 8 [description] => fdfdsfds [price] => 2.99 [qty] => 0 ) )

 

[teamatomic]

Are you building the card yourself or just altering an already existing cart? Seems to me that a QTY of zero should never make it into the DB. Shows a lack of error checking  between form>process>DB.

 

 

HTH

Teamatomic

[jay_bo]

Yea i have made it myself..The products with 0 quanitity cant actually be added to the cart as i have done an if statement that if quantity equals 0 then it can't show the add button.

[teamatomic]

You say that they cant be put into the cart yet in #13 you tell me there are products with a qty of zero. You have products with a qty of zero sneaking in or you dont. Which is it?

 

 

HTH

Teamatomic