PHP array_walk_recursive() Function
 Complete PHP Array Reference
Definition and Usage
The array_walk_recursive() function runs each array element in a user-made function.
The array's keys and values are parameters in the function. The difference
between this function and the array_walk() function is that with this function
you can work with deeper arrays (an array inside an array). Returns True or False
Syntax
array_walk_recursive(array,function,parameter)
|
| Parameter |
Description |
| array |
Required. Specifying an array |
| function |
Required. The name of the user-made function |
| parameter |
Optional. Specifies a parameter to the user-made function |
Tips and Notes
Tip: You can assign one parameter to the function, or as many as you like.
Example
<?php
function myfunction($value,$key)
{
echo "The key $key has the value $value<br />";
}
$a1=array("a"=>"Cat","b"=>"Dog");
$a2=array($a1,"1"=>"Bird","2"=>"Horse");
array_walk_recursive($a2,"myfunction");
?>
|
The output of the code above will be:
The key a has the value Cat
The key b has the value Dog
The key 1 has the value Bird
The key 2 has the value Horse
|
Complete PHP Array Reference
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