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PHP array_walk() Function
PHP array_walk() Function
PHP array_walk() function is used to run each elements of the given input array in to a user-defined function. The keys and the values of the array are used as the parameter for the user-defined function. It returns a Boolean value TRUE on success and False on failure.
Syntax:
array_walk(array, function, parameter...);
Parameter Values
| Parameter | Description |
|---|---|
| array | This is a requiredparameter.This parameter definesthe given array. |
| function | This is a requiredparameter.This parameter definesthe name of the user-defined function. |
| parameter,... | This is an optionalparameter.This parameter defines a parameter to the user-defined function. |
Here is an example of array_walk() function in PHP:
<html>
<body>
<?php
function myfunction($value,$key)
{
echo "$key work as a $value.<br>";
}
$x=array("Jerry"=>"Developer","Rohit"=>"Designer","Kundan"=>"Marketing Head","Shubham"=>"Manager");
array_walk($x,"myfunction");
?>
</body>
</html>
Output:
Jerry work as a Developer. Rohit work as a Designer. Kundan work as a Marketing Head. Shubham work as a Manager.
Example 2:
<html>
<body>
<?php
function myfunction($value,$key,$p)
{
echo "$key $p $value.<br>";
}
$a=array("Abhi"=>"Lamborghini","Kundan"=>"BMW","Gautam"=>"Jaguar","Ashish"=>"Audi","Kriti"=>"Ferrari");
array_walk($a,"myfunction","owns a");
?>
</body>
</html>
Output:
Abhi owns a Lamborghini. Kundan owns a BMW. Gautam owns a Jaguar. Ashish owns a Audi. Kriti owns a Ferrari.
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