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Looping or Iterating Over Array Data in PHP
Using loops to iterate over array data is the easiest way to get at all of the data inside an array for evaluating, parsing, or display. When you loop you can access many key value pairs with just a few lines of code. You can conduct any type of operations on the key => value pairs inside of your loops.

This is how we loop over and display data from a simple value based or associative array:
Learn HTML
= array("Milk""Cheese""Eggs""Cereal""Jelly"); // has key increment index of 0
// To force key incrementing to start at 1 use this line instead to build your array
//$cart_array = array(1 => "Milk", "Cheese", "Eggs", "Cereal", "Jelly"); // Force key incrementing to start at 1

$i 0// create a varible that will tell us how many items we looped over
foreach ($cart_array as $key => $value) {
$i++; // increment $i by one each loop pass
echo "Cart Item $i ______ Key = $key | Value = $value<br />";


Develop PHP browser display window
Cart Item 1 ______ Key = 0 | Value = Milk
Cart Item 2 ______ Key = 1 | Value = Cheese
Cart Item 3 ______ Key = 2 | Value = Eggs
Cart Item 4 ______ Key = 3 | Value = Cereal
Cart Item 5 ______ Key = 4 | Value = Jelly

This is how we loop over and display data from a multidimensional array:
Learn HTML
// create a multidimensional array that holds member details from our site
$members = array (
"member1"  => array ( 
"name" => "John"
"zodiac" => "Scorpio"
"country" => "USA"
"member2"  => array (
"name" => "Susan"
"zodiac" => "Virgo"
"country" => "Ireland"
"member3"  => array (
"name" => "William",
"zodiac" => "Pisces"
"country" => "Great Britain"
"member4"  => array (
"name" => "Eduardo"
"zodiac" => "Leo"
"country" => "Mexico"

$datasetCount count($members); // returns count of array items of any array
echo "<h1>There are $datasetCount members</h1>";

$i 0;
foreach (
$members as $each_member) {
"<h2>Member $i</h2>";
    while (list(
$key$value) = each ($each_member)) {
"$key: $value<br />";



Develop PHP browser display window

There are 4 members

Member 1

name: John
zodiac: Scorpio
country: USA

Member 2

name: Susan
zodiac: Virgo
country: Ireland

Member 3

name: William
zodiac: Pisces
country: Great Britain

Member 4

name: Eduardo
zodiac: Leo
country: Mexico

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