Title: PHP Fatal error: Uncaught Error: Cannot use string offset as an array
Last modified: December 19, 2016

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# PHP Fatal error: Uncaught Error: Cannot use string offset as an array

 *  [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/)
 * Getting the following errors in our logs?
 * Stack trace:
    #0 E:\ccc\ccc-cms\wp-content\plugins\wp-super-cache\wp-cache-phase2.
   php(314): wp_cache_shutdown_callback() #1 [internal function]: wp_cache_ob_callback(”,
   9) #2 E:\ccc\ccc-cms\wp-includes\functions.php(3673): ob_end_flush() #3 E:\ccc\
   ccc-cms\wp-includes\class-wp-hook.php(298): wp_ob_end_flush_all(”) #4 E:\ccc\
   ccc-cms\wp-includes\class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array)#
   5 E:\ccc\ccc-cms\wp-includes\plugin.php(453): WP_Hook->do_action(Array) #6 E:\
   ccc\ccc-cms\wp-includes\load.php(670): do_action(‘shutdown’) #7 [internal function]:
   shutdown_action_hook() #8 {main} thrown in E:\ccc\ccc-cms\wp-content\plugins\
   wp-super-cache\wp-cache-phase2.php on line 880

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Thread Starter [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568156)
 * Also:
 * [19-Dec-2016 14:21:48 UTC] PHP Fatal error: Uncaught Error: Cannot use string
   offset as an array in E:\juryduty\juryduty-cms\wp-content\plugins\wp-super-cache\
   wp-cache-phase2.php:595
 *  [doume](https://wordpress.org/support/users/doume/)
 * (@doume)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568270)
 * Hello,
 * What is you PHP version ?
 * D.
 *  Thread Starter [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568273)
 * PHP Version 7.1.0
 *  Thread Starter [cwolff](https://wordpress.org/support/users/cwolff/)
 * (@cwolff)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568307)
 * Turned on Super Cache debug, seeing this:
 * 14:59:51 11244 /general-resources/faqs/ In WP Cache Phase 2
 * 14:59:51 11244 /general-resources/faqs/ Created mutex lock on filename: E:\ccc\
   ccc-cms/wp-content/cache/wp_cache_mutex.lock
 *  [doume](https://wordpress.org/support/users/doume/)
 * (@doume)
 * [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568718)
 * A fix for PHP 7.1 is on the way. See this [thread](https://wordpress.org/support/topic/wp-super-cache-causing-problems-in-wordpress-4-7/).

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘PHP Fatal error: Uncaught Error: Cannot use string offset as an array’
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 * ![](https://ps.w.org/wp-super-cache/assets/icon-256x256.png?rev=3506220)
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 * 5 replies
 * 2 participants
 * Last reply from: [doume](https://wordpress.org/support/users/doume/)
 * Last activity: [9 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-uncaught-error-cannot-use-string-offset-as-an-array/#post-8568718)
 * Status: not resolved