Tutorials Point


  Learning PHP
  Advanced PHP
  PHP Function Reference
  PHP Useful Resources
  Selected Reading

© 2011 TutorialsPoint.COM


  Home     References     Discussion Forums     About TP  

PHP Function array_intersect_key()


previous

Syntax

array array_intersect_key ( array $array1, array $array2 [, array $array3 ...] );

Definition and Usage

Returns an array containing all the values of array1 which have matching keys that are present in all the arguments.

Paramters

ParameterDescription
array1Required. The first array is the array that the others will be compared with.
array2Required. An array to be compared with the first array
array3Optional. An array to be compared with the first array

Return Values

Returns FALSE if there is any error.

Example

Try out following example:

<?php
$array1 = array('blue'  => 1, 'red'  => 2, 'green'  => 3 );
$array2 = array('green' => 4, 'blue' => 5, 'yellow' => 6,);

$result = array_intersect_key($array1, $array2);
print_r($result);
?> 

This will produce following result:

Array ( [blue]=> 1 [green] => 3 )

previous Printer Friendly



  

Advertisement

Online Image Processing

Indian Baby Names