QR Code Composer 3.0.3

Does QR Code Composer work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
2PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 166.48 KiB
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 version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 3,000+
WordPress.org page https://wordpress.org/plugins/qr-code-composer/
Badges

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Pages 10

QR Composer ‹ Test site — WordPress

Page screenshot: QR Composer ‹ Test site — WordPress
URL /wp-admin/admin.php?page=qr_composer
Requested URL /wp-admin/plugins.php?action=activate&plugin=qr-code-composer%2Fqrc_composer.php&plugin_status=all&paged=1&s&_wpnonce=8f6c7a5f47
Aspect after-activation
HTTP status 200
Load time 4.416 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

QR Composer

Page screenshot: QR Composer
URL /wp-admin/admin.php?page=qr_composer
Aspect menu-item
HTTP status 200
Load time 2.810 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

QR Composer → Shortcode Generator(PRO)

Page screenshot: QR Composer → Shortcode Generator(PRO)
URL /wp-admin/admin.php?page=qrc_shortcode
Aspect menu-item
HTTP status 200
Load time 1.162 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

QR Composer → Order QR Code (PRO)

Page screenshot: QR Composer → Order QR Code (PRO)
URL /wp-admin/admin.php?page=qrc_ordermail
Aspect menu-item
HTTP status 200
Load time 0.318 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

QR Composer → Download Vcard (PRO)

Page screenshot: QR Composer → Download Vcard (PRO)
URL /wp-admin/admin.php?page=qrc_vcardlist
Aspect menu-item
HTTP status 200
Load time 0.296 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

QR Composer → Download QR Code(PRO)

Page screenshot: QR Composer → Download QR Code(PRO)
URL /wp-admin/admin.php?page=qrc_list_view
Aspect menu-item
HTTP status 200
Load time 0.281 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

QR Composer → Bulk Print (PRO)

Page screenshot: QR Composer →  Bulk Print (PRO)
URL /wp-admin/admin.php?page=qrc_print_pdf
Aspect menu-item
HTTP status 200
Load time 0.298 s
Memory usage 3.87 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 0.311 s
Memory usage 4.15 MiB
JS errors None
Resource errors None

Add Post ‹ Test site — WordPress

Page screenshot: Add Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.670 s
Memory usage 6.51 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 0.955 s
Memory usage 6.49 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.429 s0.508 s+0.079 s3.77 MiB3.94 MiB+ 175.8 KiB
/wp-admin/edit.php0.365 s0.315 s-0.050 s3.78 MiB3.95 MiB+ 175.05 KiB
/wp-admin/post-new.php0.860 s1.124 s+0.264 s6.3 MiB6.51 MiB+ 208.07 KiB
/wp-admin/upload.php0.717 s0.447 s-0.270 s3.74 MiB3.9 MiB+ 165.95 KiB
/wp-admin/options-writing.php0.332 s0.305 s-0.027 s3.71 MiB3.87 MiB+ 161.63 KiB
/wp-admin/media-new.php0.508 s0.498 s-0.010 s3.7 MiB3.87 MiB+ 169.83 KiB
/wp-admin/edit-tags.php?taxonomy=category0.438 s0.301 s-0.137 s3.71 MiB3.89 MiB+ 180.5 KiB
/wp-admin/post-new.php?post_type=page0.702 s0.873 s+0.171 s6.29 MiB6.49 MiB+ 205.5 KiB
/wp-admin/options-discussion.php0.347 s0.369 s+0.022 s3.71 MiB3.87 MiB+ 166.13 KiB
/wp-admin/edit-comments.php0.325 s0.341 s+0.016 s3.73 MiB3.89 MiB+ 165.63 KiB
/0.276 s0.210 s-0.066 s4.1 MiB4.15 MiB+ 57.22 KiB
Average 0.482 s0.481 s-0.001 s4.23 MiB4.39 MiB+ 166.48 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
PHP48.1%3,22073227
CSS35.3%2,363444
JavaScript16.6%1,11525410
SVG0.0%202
Total 6,700 1,030 43

PHP Code Analysis | More results »

Lines of code 3,332
Total complexity 395
Median class complexity 16.0
Median method complexity 1.0
Most complex class QR_code_Admin_settings
Most complex function QRCAdminMain::qrc_option_func()
Classes 21
Methods 154
Functions 5

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.

Meta Boxes

{
    "post": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "page": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_template": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_template_part": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_global_styles": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_navigation": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_font_family": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "wp_font_face": {
        "qrccompoer_metabox": {
            "title": "QR Code Composer",
            "context": "advanced"
        }
    },
    "": {
        "vCardQR": {
            "title": "vCard QR",
            "context": "normal"
        }
    }
}

PHP Error Log 2 lines

[18-Dec-2025 15:09:26 UTC] PHP Warning:  Attempt to read property "name" on array in /wp-content/plugins/qr-code-composer/admin/class_qr_code_print.php on line 114
[18-Dec-2025 15:09:26 UTC] PHP Warning:  Attempt to read property "name" on array in /wp-content/plugins/qr-code-composer/admin/class_qr_code_print.php on line 114
See also: All tests for this plugin, How to Hide QR Code Composer Admin Menus and Meta Boxes