get variable from url?

You are looking for get_query_var() function:

$orderby = get_query_var('orderby');

Related Posts:

  1. Hijacking the URL for filtering
  2. Use a template file for a specific url without creating a page
  3. Does WordPress keep track of a post’s URL history and provide automatic redirects?
  4. Using custom/dynamic “slug” for a page
  5. Custom slug in front of search URL
  6. Display posts with author in the url with custom post types
  7. Clash of the rewrites
  8. Will references to ugly links automatically redirect to their pretty url permalink?
  9. How to create a specific frontend URL (not a Page) from a theme or plugin?
  10. Why does wordpress still strip my query var?
  11. Appending numbers to url do not break the link
  12. custom htaccess rewrite rule for page
  13. Tricky URL rewrite with custom values in url
  14. How to change page URLs to “www.site.com/page” instead of “example.com/blog/page” but keep post URLs as “example.com/blog/post”?
  15. Add_query_arg + two times the same argument?
  16. WordPress 404 unless there is a space in url
  17. Taking a value from PHP_URL_PATH won’t work after WordPress 5.5 update
  18. redirect 301 old url to new url
  19. Change WordPress comments url / word
  20. Add a query string to ALL links on site
  21. Add rewrite rule for rewrite endpoint
  22. Migrating a page to be an article
  23. Allow single quote in URLs
  24. How to get “extended” path info from URL in a plugin
  25. How to check current URL for endpoint in a template file?
  26. How to perform a query at the URL?
  27. add_rewrite_rule not working for language specific characters
  28. Is there a way to create alias without using htacess, permalinks or delving into code?
  29. Define orderby in url
  30. WordPress .htaccess – route other URLs to another app
  31. Is there a ‘rake routes’ for wordpress?
  32. Changing RSS feed URL structure
  33. Creating a dynamic URL structure
  34. add_rewrite_rule fro html to another url not working
  35. Preserve Domain Alias
  36. WordPress redirects non-existing url to existing ones – how to disable
  37. How to rewrite url wordpress?
  38. How to disable URL rewriting for specific URLs?
  39. How to building pretty URLs to reflect category hierarchy?
  40. Append a value to a certain page’s URL before page load
  41. How do I display only the parent page in the url
  42. Rewrite custom post type URL parameters
  43. Wildcard forward all posts and pages with few exceptions
  44. Help with Rewrite Rule for Custom Post Type with Query String
  45. A clean custom rewrite rule for weekly archives
  46. I want to add a new tag to WordPress URL permastruct
  47. Add language prefix to permalinks
  48. Why is WordPress rewriting absolute URLs on staging site to include staging prefix when we manually point them at the live site?
  49. React Router with WordPress
  50. How to redirect large amount of URLs?
  51. How to change the Author Slug from Username to Nickname and deal with Special Characters
  52. Per Page Permalink Structure for Page Post Type
  53. ngnix Url rewrite doesn’t work
  54. Understanding the query string after .htaccess rewrite
  55. Rewrite /category/cars into /topics/cars
  56. URL renaming issue
  57. Removing “www” from a site URL
  58. Adding a query string to only one page url
  59. custom wordpress rewrite
  60. Weird characters behind every single link and images
  61. How to use wp rewrite to hide form action url?
  62. Using custom url parameters in a page
  63. Add extra optional text to permalink e.g. “-with-*”
  64. How do I get posts to appear at mydomain.com/blog?
  65. remove archive from url :: marketpress
  66. Make the home page’s slug visible in the browser’s URL bar
  67. dynamic URL rewrite
  68. add_rewrite_rule with optional parameters
  69. How to change search page url so that it still returns a page when there’s no search query specified?
  70. Append a parametter at first or last to a certain URL
  71. Allowing multiple URLs for same Post
  72. How to create dynamic URLs on WordPress?
  73. Add #primary at the end of navlink permalinks on single posts
  74. Dynamic URL with rewrite rule not working
  75. How to Update / Change URL when Popup Modal Loads?
  76. Multiple permalink with and without category for same post
  77. Passing a variable to hyperlink text?
  78. Param causing 404
  79. Change URLs in default WordPress slider to relative from absolute
  80. url redirect none www to www
  81. Rewrite URL to get rid of wp-content etc and change URL
  82. Root-relative paths being rewritten on ‘Edit Page’ [closed]
  83. How to remove Base URL Duplication?
  84. Get custom posts by segment of the URL
  85. Get parameters and custom page template
  86. Direct Dynamic URL in root to a location within template
  87. Use Parent Pages for URL Structure without Landing Page
  88. taxonomy term in URL slug won’t forward to the correct term for custom post like it does for default categories/normal posts
  89. Remove Page Slug from URL
  90. How to create short urls for sharing and downloadable content?
  91. How to stop WordPress creating URLs that don’t exist
  92. Rename page URL
  93. How to prevent URL-modification when page title contains digits only?
  94. How to exclude my home page from url of my internal pages?
  95. How do I display a friendly URL link in the frontend?
  96. Please give me the rewrite rules for my ugly urls
  97. Lost WordPress website access after changing URL [closed]
  98. Remove url parameter using wordpress
  99. Spurious URL structure (Adding extra /0/s)
  100. WordPress is adding pagination for all pages like www.example.com/page/123. How to remove that?