The PHP array_walk_recursive() function runs each array element in a user-defined function with the array’s keys and values as parameters in the function.
This function can work with arrays within arrays.
';
}
$a1 = array('Car 1' => 'Lamborghini', 'Car 2' => 'Ferrari', 'Car 3' => 'Maserati');
$a2 = array($a1, 'Alfa Romeo', 'Porsche');
array_walk_recursive($a2, 'my_function');
?>
Output
The key Car 1 has the value Lamborghini
The key Car 2 has the value Ferrari
The key Car 3 has the value Maserati
The key 1 has the value Alfa Romeo
The key 2 has the value Porsche
Syntax
array_walk_recursive(array, my_function, parameter, ...)
Parameters
Parameter | Description |
---|---|
array | Specifies an array (required) |
my_function | The name of the user-defined function (required) |
parameter, ... | Specifies a parameter or numerous parameters to the user-defined function |
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PHP NOTES:
- When using PHP, single or double quotation marks are acceptable and work identically to one another; choose whichever you prefer, and stay consistent
- Arrays count starting from zero NOT one; so item 1 is position [0], item 2 is position [1], and item 3 is position [2] … and so on
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