String Masker

A php library for masking sensitive data (e.g., credit card numbers, emails, etc.) based on specific patterns.

Features

• Customizable Masking Patterns: Easily configure how text should be masked (e.g., showing last 4 digits of a credit card, obfuscating email domains).
• Support for Various Data: Works with different types of text, such as emails, passwords, phone numbers, and more.
• Locale-aware Formatting: Supports formatting for phone numbers based on locale.
• Mask Specific Words or Phrases: Mask out specific words or phrases in a text.

Installation

You can install this package via Composer. Run the following command in your terminal:

composer require ridwanpr/string-masker

Usage

Email Masker

The EmailMasker class allows you to mask parts of an email address.

use Ridwan\StringMasker\EmailMasker;

$email = "[email protected]";
$maskedEmail = EmailMasker::maskEmail($email, [
    'local' => ['mask' => '*', 'start' => 0, 'length' => 3],
    'domain' => ['mask' => '*', 'start' => 0, 'length' => 3],
    'maskAll' => null // Options: 'local', 'domain', 'both'
]);
echo $maskedEmail; // Outputs: "***r@***ple.com"

Options:

• local: An associative array to specify how to mask the local part of the email.
  • mask: Character to use for masking (default: '*').
  • start: Starting position to begin masking (default: 0).
  • length: Number of characters to mask (default: 1).
• domain: An associative array to specify how to mask the domain part of the email.
  • mask: Character to use for masking (default: '*').
  • start: Starting position to begin masking (default: 0).
  • length: Number of characters to mask (default: 1).
• maskAll: Can be set to 'local', 'domain', or 'both' to mask the entire local or domain part.

Credit Card Masker

The CreditCardMasker class is used to mask credit card numbers.

use Ridwan\StringMasker\CreditCardMasker;

$cardNumber = "1234-5678-9012-3456";
$maskedCardNumber = CreditCardMasker::maskCardNumber($cardNumber, [
    'maskAll' => false,
    'mask' => '*',
    'positions' => [1, 2, 5],
    'showDashes' => true
]);
echo $maskedCardNumber;

Options:

• mask: Character to use for masking (default: '*').
• maskAll: Set to true to mask the entire credit card number.
• positions: Array of positions to mask.
• showDashes: Set to true to display dashes for readability.

Phone Masker

The PhoneMasker class can mask phone numbers based on specified rules.

use Ridwan\StringMasker\PhoneMasker;

$phone = "+621234567890";
$maskedPhone = PhoneMasker::maskPhone($phone, [
    'maskAll' => false,
    'mask' => '*',
    'positions' => [3, 4, 5]
]);
echo $maskedPhone;

Options:

• mask: Character to use for masking (default: '*').
• maskAll: Set to true to mask the entire phone number.
• positions: Array of positions to mask.

Text Masker

The TextMasker class masks specified positions in a given text based on specified rules.

use Ridwan\StringMasker\TextMasker;

$text = "Hello, World!";
$maskedText = TextMasker::maskText($text, [
    'maskAll' => false,
    'mask' => '*',
    'positions' => [0, 7],
    'separators' => [' ', ',', '!']
]);
echo $maskedText;

Options:

• mask: Character to use for masking (default: '*').
• maskAll: Set to true to mask the entire text.
• positions: Array of positions to mask.
• separators: Array of characters to maintain as separators (e.g., spaces, commas).

Content Masker

The ContentMasker class masks specific words or phrases in a text.

use Ridwan\StringMasker\ContentMasker;

$message = "My bank account number is 12345678 and my password is secret.";
$maskedMessage = ContentMasker::maskContent($message, [
    'mask' => '*',
    'words' => ['bank account', 'password'],
]);
echo $maskedMessage;

Options:

• mask: Character to use for masking (default: '*').
• words: Array of words or phrases to mask in the text.

License

This library is open-source software licensed under the MIT License.