Title: Error when running PHP Compatibility Checker
Last modified: December 2, 2020

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# Error when running PHP Compatibility Checker

 *  [wynneit](https://wordpress.org/support/users/wynneit/)
 * (@wynneit)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/error-when-running-php-compatibility-checker/)
 * When running the PHP Compatibility Checker, I get an Error box that says “Error:
   SyntaxError: Unexpected end of JSON input Response: ” Any help would be appreciated.
   Thank you.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [Marty](https://wordpress.org/support/users/bozzmedia/)
 * (@bozzmedia)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/error-when-running-php-compatibility-checker/#post-14187576)
 * Same issue here when running a 7.3 or 7.2 test.
 *  [Marty](https://wordpress.org/support/users/bozzmedia/)
 * (@bozzmedia)
 * [5 years, 2 months ago](https://wordpress.org/support/topic/error-when-running-php-compatibility-checker/#post-14187579)
 * Similar issue reported here:
    [https://wordpress.org/support/topic/syntaxerror-unexpected-end-of-json-input-3/](https://wordpress.org/support/topic/syntaxerror-unexpected-end-of-json-input-3/)
 *  [katie](https://wordpress.org/support/users/katiehartrick/)
 * (@katiehartrick)
 * [5 years ago](https://wordpress.org/support/topic/error-when-running-php-compatibility-checker/#post-14514087)
 * Same issue using Version 1.5.0
 * `Deprecated: Array and string offset access syntax with curly braces is deprecated
   in /srv/htdocs/wp-content/plugins/php-compatibility-checker/vendor/squizlabs/
   php_codesniffer/CodeSniffer.php on line 2028`
 * Site is using:
    - WordPress 5.7.2
    - webserver nginx
    - PHP 7.4.18
    - hosted on WordPress.com

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Error when running PHP Compatibility Checker’ is closed to new replies.

 * ![](https://ps.w.org/php-compatibility-checker/assets/icon-256x256.png?rev=1446087)
 * [PHP Compatibility Checker](https://wordpress.org/plugins/php-compatibility-checker/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/php-compatibility-checker/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/php-compatibility-checker/)
 * [Active Topics](https://wordpress.org/support/plugin/php-compatibility-checker/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/php-compatibility-checker/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/php-compatibility-checker/reviews/)

## Tags

 * [php](https://wordpress.org/support/topic-tag/php/)

 * 3 replies
 * 3 participants
 * Last reply from: [katie](https://wordpress.org/support/users/katiehartrick/)
 * Last activity: [5 years ago](https://wordpress.org/support/topic/error-when-running-php-compatibility-checker/#post-14514087)
 * Status: not resolved