Title: Warning: Array to string conversion
Last modified: April 24, 2024

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# Warning: Array to string conversion

 *  Resolved [miagogo11](https://wordpress.org/support/users/miagogo11/)
 * (@miagogo11)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/)
 * I got a warning as bellow:
 * **Warning: Array to string conversion in “C:\xampp\htdocs\wp-content\plugins\
   wp-optimize-premium\minify\class-wp-optimize-minify-front-end.php”** on line 
   1307
   how to fix this?

Viewing 4 replies - 1 through 4 (of 4 total)

 *  [wpmansour](https://wordpress.org/support/users/wpmansour/)
 * (@wpmansour)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/#post-17709948)
 * To address the “Array to string conversion” warning you’re encountering, I recommend
   checking a few details to help diagnose the issue effectively:
    1. **Inspect Variables**: Could you check the contents of `$header[$i]['handles']`
       and `$header[$i]['versions']` just before the warning triggers? Adding a `print_r`
       or `var_dump` right before the problematic line would help reveal what data 
       is being processed.
    2. **PHP Version**: What version of PHP are you using in your XAMPP environment?
       Different versions might handle type conversions and errors differently.
    3. **Recent Modifications**: Have there been any recent modifications in your code
       or updates that could affect these variables?
    4. **PHP Configuration**: Are there any specific settings in your `php.ini` that
       might be customized, particularly those related to error reporting?
 * These steps should help us get closer to understanding and resolving the issue.
 *  [wpmansour](https://wordpress.org/support/users/wpmansour/)
 * (@wpmansour)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/#post-17710149)
 * As a first step, you can just let me know: **What version of PHP are you using
   in your XAMPP environment?** Different versions might handle type conversions
   and errors differently!
 *  Thread Starter [miagogo11](https://wordpress.org/support/users/miagogo11/)
 * (@miagogo11)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/#post-17712458)
 * Thank you so much for your prompt and thorough response!
 * Not sure why but the warning disappeared after I updated some other plugins. 
   I guess it’s some conflicts between plugins. I appreciate your time and effort
   in providing such valuable insight. 🙂
 *  [wpmansour](https://wordpress.org/support/users/wpmansour/)
 * (@wpmansour)
 * [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/#post-17712710)
 * I’m glad to hear that the warning has disappeared and your issue was resolved!
   Plugin conflicts can indeed cause unexpected behaviors, so it’s great that the
   updates cleared up the problem. Thank you for using WP-Optimize. Have a great
   day! 🙂

Viewing 4 replies - 1 through 4 (of 4 total)

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 * 4 replies
 * 2 participants
 * Last reply from: [wpmansour](https://wordpress.org/support/users/wpmansour/)
 * Last activity: [2 years, 1 month ago](https://wordpress.org/support/topic/warning-array-to-string-conversion-12/#post-17712710)
 * Status: resolved