68% simply-schedule-appointments

Code Review | Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin

WordPress plugin Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin scored68%from 54 tests.

About plugin

  • Plugin page: simply-schedule-a...
  • Plugin version: 1.6.6.1
  • PHP compatiblity: 7.2+
  • PHP version: 7.4.16
  • WordPress compatibility: 5.1-6.4.1
  • WordPress version: 6.3.1
  • First release: May 23, 2018
  • Latest release: Nov 14, 2023
  • Number of updates: 410
  • Update frequency: every 4.9 days
  • Top authors: croixhaug (100%)

Code review

54 tests

User reviews

109 reviews

Install metrics

20,000+ active /852,041 total downloads
Download (6.08 MB)

Benchmarks

Plugin footprint 65% from 16 tests

Installer Passed 1 test

🔺 Critical test (weight: 50) | Verifying that this plugin installs correctly without errors
This plugin's installer ran successfully

Server metrics [RAM: ▲0.93MB] [CPU: ▲10.23ms] Passed 4 tests

Analyzing server-side resources used by Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
This plugin has minimal impact on server resources
PageMemory (MB)CPU Time (ms)
Home /4.38 ▲0.9152.45 ▲12.79
Dashboard /wp-admin4.28 ▲0.9357.93 ▼1.55
Posts /wp-admin/edit.php4.33 ▲0.9764.26 ▲21.39
Add New Post /wp-admin/post-new.php7.06 ▲1.17104.14 ▲8.30
Media Library /wp-admin/upload.php4.14 ▲0.9153.56 ▲22.12
Scheduled Actions /wp-admin/tools.php?page=action-scheduler4.3168.33

Server storage [IO: ▲20.88MB] [DB: ▲0.04MB] Passed 3 tests

Analyzing filesystem and database footprints of this plugin
No storage issues were detected
Filesystem: 869 new files
Database: 13 new tables, 21 new options
New tables
wp_ssa_appointment_type_labels
wp_ssa_availability
wp_ssa_revision_meta
wp_actionscheduler_claims
wp_ssa_appointments
wp_ssa_async_actions
wp_actionscheduler_actions
wp_ssa_appointment_types
wp_actionscheduler_groups
wp_ssa_availability_external
...
New WordPress options
wp_ssa_revisions_db_version
wp_ssa_availability_db_version
widget_recent-posts
wp_ssa_appointment_meta_db_version
action_scheduler_hybrid_store_demarkation
wp_ssa_appointment_type_labels_db_version
wp_ssa_async_actions_db_version
schema-ActionScheduler_LoggerSchema
DRA_route_whitelist
wp_ssa_availability_external_db_version
...

Browser metrics Passed 4 tests

A check of browser resources used by Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin
This plugin renders optimally with no browser resource issues detected
PageNodesMemory (MB)Script (ms)Layout (ms)
Home /2,855 ▲10814.37 ▼0.431.73 ▲0.0542.67 ▼1.70
Dashboard /wp-admin2,258 ▲775.64 ▼0.0194.49 ▼12.4840.80 ▼1.56
Posts /wp-admin/edit.php2,124 ▲211.94 ▼0.0540.85 ▲3.0739.68 ▲7.10
Add New Post /wp-admin/post-new.php6,389 ▲4,86327.87 ▲4.41885.61 ▲281.7338.00 ▼13.65
Media Library /wp-admin/upload.php1,427 ▲274.18 ▼0.0394.39 ▼1.0441.79 ▼1.25
Scheduled Actions /wp-admin/tools.php?page=action-scheduler1,5331.8025.4336.38

Uninstaller [IO: ▲0.00MB] [DB: ▲0.04MB] 50% from 4 tests

🔸 Tests weight: 35 | It is important to correctly uninstall your plugin, without leaving any traces
Please fix the following items
  • Zombie tables detected upon uninstall: 13 tables
    • wp_actionscheduler_actions
    • wp_ssa_revision_meta
    • wp_actionscheduler_logs
    • wp_ssa_availability_external
    • wp_ssa_appointments
    • wp_ssa_appointment_types
    • wp_actionscheduler_groups
    • wp_ssa_appointment_meta
    • wp_ssa_availability
    • wp_ssa_async_actions
    • ...
  • The uninstall procedure has failed, leaving 22 options in the database
    • widget_recent-comments
    • DRA_route_whitelist
    • wp_ssa_availability_db_version
    • theysaidso_admin_options
    • db_upgraded
    • wp_ssa_appointments_db_version
    • wp_ssa_appointment_meta_db_version
    • wp_ssa_availability_external_db_version
    • wp_ssa_async_actions_db_version
    • wp_ssa_appointment_types_db_version
    • ...

Smoke tests 50% from 4 tests

Server-side errors Passed 1 test

🔹 Test weight: 20 | This is a short smoke test looking for server-side errors
The smoke test was a success, however most plugin functionality was not tested

SRP 0% from 2 tests

🔹 Tests weight: 20 | A shallow check of the single-responsibility principle; PHP files should perform no action - including output of placeholder text - and trigger no errors when accessed directly
The following issues need your attention
  • 13× PHP files output non-empty strings when accessed directly via GET requests (only 10 are shown):
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/modals/diff.php
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/assets/mu-plugin/health-check-troubleshooting-mode.php
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/health-check.php
    • > /wp-content/plugins/simply-schedule-appointments/templates/ssa-logs/revisions.php
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/pages/phpinfo.php
    • > /wp-content/plugins/simply-schedule-appointments/templates/ssa-logs/revisions-meta.php
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/pages/site-status.php
    • > /wp-content/plugins/simply-schedule-appointments/external/asana/mark-tasks-released.php
    • > /wp-content/plugins/simply-schedule-appointments/includes/lib/td-health-check/pages/debug-data.php
    • > /wp-content/plugins/simply-schedule-appointments/external/actions-scripts/format-changelog.php
  • 342× PHP files trigger server errors when accessed directly (only 10 are shown):
    • > PHP Fatal error
      Uncaught Error: Class 'Twig\ode\\Expression\\Binary\\AbstractBinary' not found in wp-content/plugins/simply-schedule-appointments/vendor/twig/twig/src/Node/Expression/Binary/NotInBinary.php:16
    • > PHP Fatal error
      Uncaught Error: Class 'Twig\\Extension\\AbstractExtension' not found in wp-content/plugins/simply-schedule-appointments/vendor/twig/twig/src/Extension/CoreExtension.php:75
    • > PHP Fatal error
      Uncaught Error: Class 'CronExpression_AbstractField' not found in wp-content/plugins/simply-schedule-appointments/vendor/woocommerce/action-scheduler/lib/cron-expression/CronExpression_DayOfMonthField.php:21
    • > PHP Fatal error
      Uncaught Error: Class 'Twig\ode\\Expression\\AbstractExpression' not found in wp-content/plugins/simply-schedule-appointments/vendor/twig/twig/src/Node/Expression/ParentExpression.php:22
    • > PHP Warning
      Invalid argument supplied for foreach() in wp-content/plugins/simply-schedule-appointments/templates/ssa-logs/revisions-meta.php on line 55
    • > PHP Fatal error
      Uncaught Error: Class 'SSA_Settings_Schema' not found in wp-content/plugins/simply-schedule-appointments/includes/class-styles-settings.php:14
    • > PHP Fatal error
      Uncaught Error: Class 'TD_DB_Model' not found in wp-content/plugins/simply-schedule-appointments/includes/lib/td-util/class-td-async-action-model.php:2
    • > PHP Fatal error
      Uncaught Error: Class 'ActionScheduler_FinishedAction' not found in wp-content/plugins/simply-schedule-appointments/vendor/woocommerce/action-scheduler/classes/actions/ActionScheduler_CanceledAction.php:9
    • > PHP Fatal error
      require_once(): Failed opening required 'ABSPATHwp-admin/includes/class-wp-list-table.php' (include_path='.:/usr/share/php') in wp-content/plugins/simply-schedule-appointments/vendor/woocommerce/action-scheduler/classes/abstracts/ActionScheduler_Abstract_ListTable.php on line 4
    • > PHP Fatal error
      Uncaught Error: Call to undefined function ssa() in wp-content/plugins/simply-schedule-appointments/templates/customer/past-appointments.php:5

User-side errors Passed 1 test

🔹 Test weight: 20 | This is a smoke test targeting browser errors/issues
No browser issues were found

Optimizations

Plugin configuration 97% from 29 tests

readme.txt 94% from 16 tests

The readme.txt file is undoubtedly the most important file in your plugin, preparing it for public listing on WordPress.org
These attributes need to be fixed:
  • Tags: Too many tags (12 tag instead of maximum 10); only the first 5 tags are used in your directory listing
You can look at the official readme.txt

simply-schedule-appointments/simply-schedule-appointments.php Passed 13 tests

The primary PHP file in "Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin" version 1.6.6.1 is used by WordPress to initiate all plugin functionality
27 characters long description:
Easy appointment scheduling

Code Analysis 97% from 3 tests

File types Passed 1 test

🔸 Test weight: 35 | An overview of files in this plugin; executable files are not allowed
Success! There were no dangerous files found in this plugin79,924 lines of code in 712 files:
LanguageFilesBlank linesComment linesLines of code
PHP58814,24826,38868,574
Markdown161,46203,951
JavaScript263741,3472,811
SVG47002,407
JSON10001,457
CSS1711015544
JSX110987
HTML61683
reStructuredText18510

PHP code 50% from 2 tests

Cyclomatic complexity and code structure are the fingerprint of this plugin
It is recommended to fix the following
  • Cyclomatic complexity of methods should be reduced to less than 100 (currently 120)
Cyclomatic complexity
Average complexity per logical line of code0.40
Average class complexity15.64
▷ Minimum class complexity1.00
▷ Maximum class complexity181.00
Average method complexity2.96
▷ Minimum method complexity1.00
▷ Maximum method complexity120.00
Code structure
Namespaces39
Interfaces44
Traits3
Classes477
▷ Abstract classes398.18%
▷ Concrete classes43891.82%
▷ Final classes10624.20%
Methods3,956
▷ Static methods48612.29%
▷ Public methods3,47887.92%
▷ Protected methods2175.49%
▷ Private methods2616.60%
Functions402
▷ Named functions24360.45%
▷ Anonymous functions15939.55%
Constants235
▷ Global constants2912.34%
▷ Class constants20687.66%
▷ Public constants18288.35%

Plugin size Passed 2 tests

Image compression Passed 2 tests

All PNG images should be compressed to minimize bandwidth usage for end users
4 PNG files occupy 0.01MB with 0.00MB in potential savings
Potential savings
Compression of 4 random PNG files using pngquant
FileSize - originalSize - compressedSavings
booking-app-new/public/static/images/payments/stripe.png1.48KB0.86KB▼ 41.56%
booking-app/public/static/images/payments/stripe.png1.48KB0.86KB▼ 41.56%
booking-app/dist/static/images/payments/stripe.png1.48KB0.86KB▼ 41.56%
booking-app-new/dist/static/images/payments/stripe.png1.48KB0.86KB▼ 41.56%