README.md

Backlink Checker PHP Demo

• This is a demo project to demonstrate how the Backlink Checker PHP library works.
• The script is useful for SEO experts to validate your backlink assets.
• It checks that the backlinks are present or not on the defined web page.
• You get the web page from your backlink collection (bought at market or got by other means).

Installation

1. Clone the repository
2. Install dependencies with Composer composer install --no-dev
3. Install dependencies with NPM npm ci --omit=dev

Synopsis

The executable script is in src folder. Script usage:

php cli_test.php -u URL -p PATTERN [-m MODE]

Arguments:

• URL (required) — URL to check for backlinks
• PATTERN (required) — a regular expression pattern that defines a backlink to search for
• MODE (optional) — scraping mode. Possible values:
  • javascript (default) - Chromium headless mode is used with JavaScript support
  • simple - simple parsing of HTML, without JavaScript support

If javascript mode is used then the script takes a screenshot of the web page and saves it in JPEG format in the screenshots folder.

Usage Example

Input and output:

php cli_test.php -u https://dubaidance.com/ -p "@^https://(www\.)?dubaidance\.com.*@"
Using mode: javascript
Found 1 backlinks
Found <a> src=https://dubaidance.com/ anchor=go now
All operations complete

References

• Backlink Checker PHP library
• Regular expression pattern
• Regular expression playground