Upgrade WordPress core programmatically with PHP?

Related Posts:

1. How can I send an email using PHP?
2. Should I use spl_autoload_register() in my plugin?
3. List of all theme customizer control types?
4. Shortcode putting html such as
5. Load post content into iframe
6. Editor role cannot save custom theme options
7. Installing wp3.2.1 on IIS; getting empty sessions
8. WordPress widget in custom theme
9. Specific Loop For 2 Within Each
10. POSTS list in WordPress by views
11. How do I enable HTML5 prefetching on this page?
12. Anything I can add to functions.php to make text widgets accept PHP?
13. What’s the proper way to use wp_enqueue_script/style?
14. How to find the output of contact form 7 shortcode? [closed]
15. Print number of post (in reverse)
16. Is it necessary to upgrade to php7? [closed]
17. Can’t increase posts_per_page by variable
18. Use WordPress’s Media Uploader/ Manager in non WordPress php application
19. How to check If Oembed is empty or not
20. How do I access the media settings
21. How can I output a php value into a JS file within WordPress?
22. Set post title based on first h2 element in the content section
23. Custom field value not saving when it contains a URL?
24. WordPress to end support for PHP 4?
25. Why does WordPress remove my variables in the URL?
26. How do I let users upload files to a chosen location?
27. get current custom post ID by WP_Query method
28. Can I prevent the user from adding more than two levels deep of terms inside of a taxonomy metabox?
29. Show css depending on activity type in BuddyPress activity-loop [closed]
30. Mute Debug Messages from Plugins
31. Reprinting tags with all attributes
32. Set WP_query ‘order’ option by another tables value
33. database sent to a JSON file
34. Settings API callback function inserts html quotes from nowhere
35. Show when user is online/offline in real time on user_profile.php
36. can i fetch a custom metabox data in another page or post type?
37. Call to undefined function get_userdata() in plugin
38. How to add different text in each result of foreach?
39. how to update and display an option without reloading the page
40. ‘Post-thumbnails’ feature does not seem to register
41. multiple where condition in result query
42. Featured or last post with a different WordPress style without plugin
43. Writing PHP code in pages without issue?
44. How to get User Time Zone in WordPress?
45. Fix error Gravatar alt
46. WordPress yoast seo plugin – parse snippet var in meta description
47. Display css ONLY on most recent post of specific category?
48. Different SMTP based on domain
49. How to Update an old theme for the latest wordpress version
50. Calling PHP Titles inside Javascript Markup
51. How to replace the default domain on wp get shortlink
52. show recent posts php code error?
53. How to edit the styles for the table of pages/post listed in the admin when you click on pages/posts?
54. How can I use custom menus with a Bootstrap WordPress theme?
55. add the value of a variable returned in a while loop [closed]
56. How to track who has deleted files
58. how to show images without passing it to timthumb.php file for resizing
59. Show Featured Image Dimensions and size frontend with shortcode
60. How to remove/hide collapse menu for user/subscriber?
61. How to redirect outgoing links via my own website
62. How to implement __() function in my theme’s php file?
63. How do I edit the terms output args or array data?
64. Gutenberg Blocks and get_option() for styling
65. remove values within an array user meta
66. In PHP how do I make my navigation bar show certain links to admins only?
67. WP_QUERY post_in problem
68. How to get post titles by post ID and integrate with my code?
69. how to get data from two different table from wordpress database
70. custom taxonomies not working
71. Should I set a page as “No-index” if I include it’s content within the front-Page.php via this method?
72. How does Permalink work with the AMP plugin after Removing Parent Permalink Catalog from Posts
73. Discount in the specific product title using keyword ( Woocoommerce )
74. WordPress: Redirect Main Site to Subsite in Multisite Where user is NOT logged in
75. WordPress generates weird permalinks
76. WordPress search query, how to modify the sql
77. Make a full-width wordpress page
78. Exclude category and post from loop in custom category.php
79. Menu to the right of screen on desktop using Bootstrap 4
80. Update an additional user meta field with a string
81. Exclude a category slug on pagination
82. number of posts with “Load More”
83. Display specific main Sub Nav on Woocommerce product pages
84. Putting hyperlinked and non-hyperlinked text in one line, centered, on .php [closed]
85. Perfmon performance counters on WAMP
86. Page 2+ of taxonomy archives does not recognise sort-order from dropdown
87. Not logged in when using http
88. Is this correct get_template_part() in WordPress?
89. Editing a WordPress plugin to add my own functionality
90. Retrieve first image url from custom post with pagination
91. How to set up and use a custom upload directory for post type ‘product’
92. How to show value from ACF plugin field in e-mail?
93. Where to store the images of a custom WordPress theme?
94. Exclude specific product tags from related products in WooCommerce 3+ [closed]
95. WooCommerce Orders pagination
96. How can I fix my pagination?
97. Insert PHP into wordpress page [duplicate]
98. How to remove the intro animation which appears during the load up of some WordPress themes? [closed]
99. How to send push notification in android using php? [closed]
100. Custom plugin doesn’t show in admin menu – when code added, displays an empty page