PHP array() Function

Example

Create an indexed array named $cars, assign three elements to it, and then print a text containing the array values:

<?php
$cars=array("Volvo","BMW","Toyota");
echo "I like " . $cars[0] . ", " . $cars[1] . " and " . $cars[2] . ".";
?> 

 

OUTPUT : I like Volvo, BMW and Toyota.

---

Definition and Usage

The array() function is used to create an array.
In PHP, there are three types of arrays:

• Indexed arrays - Arrays with numeric index
• Associative arrays - Arrays with named keys
• Multidimensional arrays - Arrays containing one or more arrays

---

Syntax

Syntax for indexed arrays:

array(value1,value2,value3,etc.);

Syntax for associative arrays:

array(key=>value,key=>value,key=>value,etc.);

Parameter	Description
key	Specifies the key (numeric or string)
value	Specifies the value

Technical Details

Return Value:	Returns an array of the parameters
PHP Version:	4

---

More Examples

Example 1

Create an associative array named $age:

<?php
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
echo "Peter is " . $age['Peter'] . " years old.";
?>

OUTPUT : Peter is 35 years old.

Example 2

Loop through and print all the values of an indexed array:

<?php
$cars=array("Volvo","BMW","Toyota");
$arrlength=count($cars);

for($x=0;$x<$arrlength;$x++)
  {
  echo $cars[$x];
  echo "<br>";
  }
?> 

 

OUTPUT :
Volvo
BMW
Toyota

Example 3

Loop through and print all the values of an associative array:

<?php
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");

foreach($age as $x=>$x_value)
  {
  echo "Key=" . $x . ", Value=" . $x_value;
  echo "<br>";
  }
?> 

 

OUTPUT : 

Key=Peter, Value=35
Key=Ben, Value=37
Key=Joe, Value=43