array_map Online
Test PHP's array_map() function online using real PHP 8.2. Apply a callback function to each element of an array to transform or modify data. Perfect for data mapping and formatting.
array_map(?callable $callback, array $array, array ...$arrays): array PHP Array Input
Enter the array you want to transform
Callback Function
Define how to transform each element
PHP Code
This is the actual PHP code that will be executed
Common Examples
array_map() Function Guide
How It Works
The array_map() function applies a user-defined callback function to each element of an array. It returns a new array containing the results of applying the callback to the corresponding element of the input array.
Unlike array_filter(), the number of elements in the returned array is always the same as the input array. It is used for transforming data, not removing it.
Key Features
This tool is a free online PHP compiler that runs directly in your browser. It allows you to execute array_map() functions instantly without setting up a local environment, making it perfect for quick testing and learning.
- Returns a new array with transformed values
- Preserves keys if only one array is passed
- Can handle multiple arrays (not supported in this tool yet)
- Callback arguments match the number of arrays
💡 Tip: If you need to modify values AND keys, or reduce the array to a single value, consider array_reduce() or a foreach loop instead.
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