README

A lightweight, flexible PHP library to censor email addresses and hyperlinks in block text. Ideal for cleaning user-generated content, masking database outputs, or protecting private information before displaying it publicly.

Features

Email Censoring: Matches and obscures standard email addresses.
Link Censoring: Identifies HTML anchor tags (<a>...</a>) and obscures either the anchor text or the full tag.
Flexible Masking: Decoupled design allows you to define custom replacement formats (e.g., HTML, markdown, custom text like [REDACTED], or simple asterisks).
Zero Production Dependencies: Light codebase that runs out-of-the-box on PHP 8.0 or newer.

Installation

Install the package via Composer:

composer require hartpableo/php-censoring-tool

Usage

1. Basic Usage (Default HTML Output)

By default, censored links and emails are replaced with standard HTML tags styled with the class .censored-text and carrying a notice.

use HartPableo\PhpCensoringTool\Censor;

$text = "Contact support@example.com or visit <a href='https://example.com'>Example Site</a>.";

$censor = new Censor($text, "Please upgrade your subscription to view contact details.");
$output = $censor->getCensoredText();

echo $output;
// Contact <strong class="censored-text" data-notice="Please upgrade your subscription to view contact details.">*******************</strong> or visit <strong class="censored-text" data-notice="Please upgrade your subscription to view contact details.">************</strong>.

2. Advanced Usage (Custom Formatting Callback)

If you need a plain text output, Markdown formatting, or custom redacted strings, you can pass a custom formatter as the third argument to the constructor:

use HartPableo\PhpCensoringTool\Censor;

$text = "Send your CV to jobs@example.com.";

// Censor using a simple '[REDACTED]' string:
$censor = new Censor($text, 'Redacted', function(string $string) {
    return '[REDACTED]';
});

echo $censor->getCensoredText();
// Send your CV to [REDACTED].

Another example using custom asterisk replacement:

$censor = new Censor($text, '', function(string $string) {
    return str_repeat('*', strlen($string));
});

Testing

Automated Unit Tests

The library includes a PHPUnit test suite. To run the automated unit tests:

Install development dependencies:
```
composer install
```
Run the test suite:
```
vendor/bin/phpunit
```

Manual Sample Run

You can also run the quick demonstration script:

php tests/index.php

License

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

hartpableo / php-censoring-tool

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