KingComposer 2.9.6

Does KingComposer work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
3PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 556.28 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.183 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.8.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/kingcomposer/
Badges

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Pages 10

King Composer WP ‹ Test site — WordPress

Page screenshot: King Composer WP ‹ Test site — WordPress
URL /wp-admin/admin.php?page=kingcomposer&screen=welcome
Requested URL /wp-admin/plugins.php?action=activate&plugin=kingcomposer%2Fkingcomposer.php&plugin_status=all&paged=1&s&_wpnonce=c15e9030dd
Aspect after-activation
HTTP status 200
Load time 1.811 s
Memory usage 4.1 MiB
JS errors None
Resource errors None

KingComposer

Page screenshot: KingComposer
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item
HTTP status 200
Load time 0.455 s
Memory usage 4.01 MiB
JS errors None
Resource errors None

KingComposer → KC Pro!

Page screenshot: KingComposer → 
			KC Pro!
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item-tab
HTTP status 200
Load time 0.983 s
Memory usage 4.01 MiB
JS errors None
Resource errors None

KingComposer → Changelogs

Page screenshot: KingComposer → 
			Changelogs
URL /wp-admin/admin.php?page=kingcomposer
Aspect menu-item-tab
HTTP status 200
Load time 0.970 s
Memory usage 4.01 MiB
JS errors None
Resource errors None

KingComposer → Shortcode Mapper

Page screenshot: KingComposer → Shortcode Mapper
URL /wp-admin/admin.php?page=kc-mapper
Aspect menu-item
HTTP status 200
Load time 1.274 s
Memory usage 4.05 MiB
JS errors None
Resource errors None

KingComposer → Extensions

Page screenshot: KingComposer → Extensions
URL /wp-admin/admin.php?page=kc-extensions
Aspect menu-item
HTTP status 200
Load time 0.579 s
Memory usage 4.06 MiB
JS errors None
Resource errors None

KingComposer → Sections Manager

Page screenshot: KingComposer → Sections Manager
URL /wp-admin/edit.php?post_type=kc-section
Aspect menu-item
HTTP status 200
Load time 0.203 s
Memory usage 4.08 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.264 s
Memory usage 3.94 MiB
JS errors None
Resource errors None

Add Page ‹ Test site — WordPress

Page screenshot: Add Page ‹ Test site — WordPress
URL /wp-admin/post-new.php?post_type=page
Aspect new-meta-boxes
HTTP status 200
Load time 2.268 s
Memory usage 6.7 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.283 s
Memory usage 6.34 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.371 s0.331 s-0.040 s3.51 MiB4.03 MiB+ 541.63 KiB
/wp-admin/edit.php0.192 s0.536 s+0.344 s3.57 MiB4.17 MiB+ 618.04 KiB
/wp-admin/post-new.php0.746 s1.206 s+0.460 s6.06 MiB6.65 MiB+ 606.17 KiB
/wp-admin/upload.php0.598 s0.481 s-0.117 s3.52 MiB4.04 MiB+ 526.38 KiB
/wp-admin/options-writing.php0.218 s0.206 s-0.012 s3.5 MiB4.01 MiB+ 524.88 KiB
/wp-admin/media-new.php0.273 s0.240 s-0.033 s3.49 MiB4.01 MiB+ 533.07 KiB
/wp-admin/edit-tags.php?taxonomy=category0.194 s0.184 s-0.010 s3.5 MiB4.03 MiB+ 543.74 KiB
/wp-admin/post-new.php?post_type=page0.594 s2.126 s+1.532 s6.05 MiB6.7 MiB+ 661.86 KiB
/wp-admin/options-discussion.php0.486 s0.467 s-0.019 s3.5 MiB4.01 MiB+ 521.38 KiB
/wp-admin/edit-comments.php0.237 s0.203 s-0.034 s3.52 MiB4.04 MiB+ 526.38 KiB
/0.281 s0.223 s-0.058 s3.43 MiB3.94 MiB+ 515.61 KiB
Average 0.381 s0.564 s+0.183 s3.97 MiB4.51 MiB+ 556.28 KiB

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
JavaScript
Language % Lines of code Comment lines Files
PHP44.2%23,1991,368120
CSS25.7%13,483906
JavaScript22.3%11,68862611
SVG7.8%4,07884
Total 52,448 2,092 141

PHP Code Analysis | More results »

Lines of code 8,815
Total complexity 2,131
Median class complexity 54.5
Median method complexity 4.0
Most complex class KingComposer
Most complex function kc_front::render_element_css()
Classes 16
Methods 245
Functions 133

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.

Options wp_options 2

Custom Post Types 1

ID Name
kc-sectionKC Sections

Sidebar Widgets 1

ID Name
kc_widget_contentKC Content

Meta Boxes

{
    "page": {
        "kc-hidden-metabox": {
            "title": "KC Metabox",
            "context": "advanced"
        }
    }
}

Capabilities 1

PHP Error Log 3 lines

[30-Apr-2025 21:21:41 UTC] PHP Deprecated:  Optional parameter $params declared before required parameter $tempfile is implicitly treated as a required parameter in /wp-content/plugins/kingcomposer/includes/kc.tools.php on line 301
[30-Apr-2025 21:21:41 UTC] PHP Deprecated:  Optional parameter $parent declared before required parameter $taxonomy is implicitly treated as a required parameter in /wp-content/plugins/kingcomposer/includes/kc.ajax.php on line 1849
[30-Apr-2025 21:21:41 UTC] PHP Deprecated:  Optional parameter $spacing declared before required parameter $taxonomy is implicitly treated as a required parameter in /wp-content/plugins/kingcomposer/includes/kc.ajax.php on line 1849
See also: All tests for this plugin, How to Hide KingComposer Admin Menus and Meta Boxes