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PHP Indexed Array

PHP indexed array for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex, string, oop

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PHP Indexed Array

PHP indexed array is an array which is represented by an index number by default. All elements of array are represented by an index number which starts from 0.

PHP indexed array can store numbers, strings or any object. PHP indexed array is also known as numeric array.

Definition

There are two ways to define indexed array:

1st way:

$size=array("Big","Medium","Short");

2nd way:

$size[0]="Big";
$size[1]="Medium";
$size[2]="Short";

PHP Indexed Array Example

File: array1.php 
<?php
$size=array("Big","Medium","Short");
echo "Size: $size[0], $size[1] and $size[2]";
?>

Output:

Size: Big, Medium and Short
File: array2.php 
<?php
$size[0]="Big";
$size[1]="Medium";
$size[2]="Short";
echo "Size: $size[0], $size[1] and $size[2]";
?>

Output:

Size: Big, Medium and Short

Traversing PHP Indexed Array

We can easily traverse array in PHP using foreach loop. Let's see a simple example to traverse all the elements of PHP array.

File: array3.php 
<?php
$size=array("Big","Medium","Short");
foreach( $size as $s )
{
  echo "Size is: $s
";
}
?>

Output:

Size is: Big
Size is: Medium
Size is: Short

Count Length of PHP Indexed Array

PHP provides count() function which returns length of an array.

<?php
$size=array("Big","Medium","Short");
echo count($size);
?>

Output:

3
Next TopicPHP Associative Array




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