3D FlipBook : Dflip Lite 1.5.7

Does 3D FlipBook : Dflip Lite work with WordPress 5.3.2 and PHP 7.2.16? A smoke test was performed on .


1PHP fatal errors
No JavaScript exceptions
1Page failed to load
  • 1 500 Internal Server Error
No resource errors

No data available.

WordPress version5.3.2
PHP version7.2.16
MySQL version8.0.15
PHP memory limit256M
Plugin Info
Last updated
Active installs 50,000+
WordPress.org page https://wordpress.org/plugins/3d-flipbook-dflip-lite/

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Pages 1

WordPress › Error

Page screenshot: WordPress › Error
URL /wp-admin/plugins.php?activate=true&plugin_status=all&paged=1&s=
Requested URL /wp-admin/plugins.php?action=activate&plugin=3d-flipbook-dflip-lite%2F3d-flipbook-dflip-lite.php&plugin_status=all&paged=1&s&_wpnonce=6e94c32142
Aspect after-activation
HTTP status 500
Load time 0.236 s
Memory usage N/A
JS errors None
Resource errors None


No benchmark data available.


No data available.

PHP Error Log 12 lines

[15-Feb-2020 03:04:51 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/3d-flipbook-dflip-lite/3d-flipbook-dflip-lite.php:845
Stack trace:
#0 /wp-includes/class-wp-hook.php(288): dflip_lite_check('')
#1 /wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array)
#2 /wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#3 /wp-settings.php(392): do_action('plugins_loaded')
#4 /wp-config.php(109): require_once('/opt/bitnami/ap...')
#5 /wp-load.php(37): require_once('/opt/bitnami/ap...')
#6 /wp-admin/admin.php(34): require_once('/opt/bitnami/ap...')
#7 /wp-admin/plugins.php(10): require_once('/opt/bitnami/ap...')
#8 {main}
  thrown in /wp-content/plugins/3d-flipbook-dflip-lite/3d-flipbook-dflip-lite.php on line 845
See also: All tests for this plugin, How to Hide 3D FlipBook : Dflip Lite Admin Menus and Meta Boxes