make_rand_str()
function make_rand_str(int $length = 32, bool $uppercase = false): string
Description
Generates a cryptographically secure random string of alphanumeric characters. This is useful for generating tokens, passwords, API keys, and other identifiers.
Parameters
| Parameter | Type | Description | Default |
|---|---|---|---|
| $length | int | The length of the random string to generate. | 32 |
| $uppercase | bool | Whether to include uppercase characters in the generated string. | false |
Return Value
| Type | Description |
|---|---|
| string | The randomly generated alphanumeric string. |
Example Usage
PHP
$token = make_rand_str();
echo $token; // e.g., "a3f8k2d9..."
$key = make_rand_str(16, true);
echo $key; // e.g., "K7dF2pX9..." (mixed case)