Report - Lead Form Builder 1.9.5

Does Lead Form Builder work with WordPress 6.6.2 and PHP 8.1.12? A smoke test was performed on 2024-09-11 09:11:44 UTC.

Summary

Errors

16	PHP fatal errors
	No JavaScript exceptions
2	Pages failed to load 2 500 Internal Server Error
	No resource errors

Performance

Memory usage: 0 bytes
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment

WordPress version	6.6.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-07-05T11:00:00+00:00
Active installs	10,000+
WordPress.org page	https://wordpress.org/plugins/lead-form-builder/
Badges	Get badge code

Pages 2

WordPress › Error

URL	/wp-admin/plugins.php?activate=true&plugin_status=all&paged=1&s=
Requested URL	/wp-admin/plugins.php?action=activate&plugin=lead-form-builder%2Flead-form-builder.php&plugin_status=all&paged=1&s&_wpnonce=f0bc8b8d1b
Aspect	after-activation
HTTP status	500
Load time	0.170 s
Memory usage	N/A
JS errors	None
Resource errors	None

WordPress › Error

URL	/
Aspect	front-page
HTTP status	500
Load time	0.038 s
Memory usage	N/A
JS errors	None
Resource errors	None

Benchmark

No benchmark data available.

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP

CSS

SVG

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	36.2%	4,821	323	32
	CSS	26.8%	3,569	126	8
	SVG	24.2%	3,219	11	13
	JavaScript	12.5%	1,664	652	7
	JSON	0.3%	41	0	1
Total			13,314	1,112	61

PHP Code Analysis | More results »

Lines of code	4,419
Total complexity	613
Median class complexity	19.0
Median method complexity	1.0
Most complex class	LFB_Front_end_FORMS
Most complex function	LFB_Front_end_FORMS::lfb_show_front_end_forms()

Classes	14
Methods	127
Functions	37

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

No new entries found.

PHP Error Log 208 lines

[11-Sep-2024 09:12:01 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/plugins.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:02 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/index.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:02 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-blog-header.php(13): require_once('...')
#8 /index.php(17): require('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:03 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/index.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:03 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/edit.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:03 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/post-new.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:03 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')
#7 /wp-admin/admin.php(34): require_once('...')
#8 /wp-admin/upload.php(10): require_once('...')
#9 {main}
  thrown in /wp-content/plugins/lead-form-builder/block/app.php on line 16
[11-Sep-2024 09:12:03 UTC] PHP Fatal error:  Uncaught Error: Call to undefined function is_plugin_active() in /wp-content/plugins/lead-form-builder/block/app.php:16
Stack trace:
#0 /wp-content/plugins/lead-form-builder/block/app.php(87): Lead_Form_Builder_Blocks->__construct()
#1 /wp-includes/class-wp-hook.php(324): lead_form_builder_block_init()
#2 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#3 /wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /wp-settings.php(700): do_action()
#5 /wp-config.php(191): require_once('...')
#6 /wp-load.php(50): require_once('...')

(+108 more lines)