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Example code of tzsk/otp

Informations about the package otp

:gift: OTP Generator & Verifier

GitHub License Latest Version on Packagist GitHub Tests Action Status Total Downloads

A secure, database-free One-Time Password (OTP) generator and verifier for PHP. While primarily designed as a Laravel package, it can also be used independently in any PHP application.

:package: Installation

Via Composer:

To publish the configuration file for Laravel, run:

:fire: Usage in Laravel

Import the facade class:

Generate an OTP:

The OTP generated above will only be successfully validated if the same unique secret is provided within the default expiration time.

TIP: OTPs are commonly used for user verification. The most straightforward approach to determining the unique_secret is to use the user's email address, phone number, or User ID. You can also be creative with the unique secret, such as using md5($email) to create an MD5 hash of the user's email or phone number.

Match an OTP:

Other Generate & Match Options:

There are other ways of generating or matching an OTP:

Make sure to use the same configuration during validation. For example, if you specified 8 digits and a 30-minute expiration during creation, you must also specify 8 digits and a 30-minute expiration during verification.

As demonstrated in the examples above, the exact configuration used to generate the OTP must be provided when matching the OTP with the secret.

Security Advantage: The primary advantage of requiring the same configuration during verification is that it prevents a malicious actor from using this tool to generate the same OTP for a targeted user without knowing the exact configuration parameters used.

:ocean: Helper usage

You can use the package with the provided helper function as well:

:heart_eyes: Usage outside Laravel

Install the package with Composer exactly as described above. Then, simply use the provided helper function.

Generate:

All functionalities remain identical to those documented in the Laravel Usage section. The only difference is that you use the $manager instance instead of the static Facade.

NOTE: You don't need to specify a path if you are using Laravel. The package will automatically detect and utilize Laravel's default cache store.

Example:

Again, remember that when verifying an OTP, the digit and expiration configuration must match the settings used during generation.

:microscope: Testing

:date: Changelog

Please see CHANGELOG for more information on what has changed recently.

:heart: Contributing

Please see CONTRIBUTING for details.

:lock: Security Vulnerabilities

Please review our security policy on how to report security vulnerabilities.

:crown: Credits

:policeman: License

The MIT License (MIT). Please see License File for more information.

All versions of otp with dependencies

PHP Build Version
Package Version
Requires php Version ^8.4
illuminate/support Version ^11.0|^12.0|^13.0
illuminate/cache Version ^11.0|^12.0|^13.0
illuminate/filesystem Version ^11.0|^12.0|^13.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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