php php 8,896

  1. Reference — What does this symbol mean in PHP?
  2. How can I prevent SQL injection in PHP?
  3. How do I check if a string contains a specific word?
  4. Should I use the datetime or timestamp data type in MySQL?
  5. Why shouldn't I use mysql_* functions in PHP?
  6. How do I get a YouTube video thumbnail from the YouTube API?
  7. How do you parse and process HTML/XML in PHP?
  8. PHP: Delete an element from an array
  9. When to use self over $this?
  10. How does PHP 'foreach' actually work?
  11. Convert HTML + CSS to PDF with PHP?
  12. How do I get PHP errors to display?
  13. startsWith() and endsWith() functions in PHP
  14. How do you use bcrypt for hashing passwords in PHP?
  15. Secure hash and salt for PHP passwords
  16. How to get the client IP address in PHP?
  17. What's the best method for sanitizing user input with PHP?
  18. PHP and Enumerations
  19. How do I expire a PHP session after 30 minutes?
  20. Get the full URL in PHP
  21. UTF-8 all the way through
  22. How to make a redirect in PHP?
  23. Difference between require, include, require_once and include_once?
  24. PHP: “Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset”
  25. Reference - What does this error mean in PHP?
  26. What is stdClass in PHP?
  27. What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
  28. Sort Multi-dimensional Array by Value
  29. mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to be resource
  30. How to fix “Headers already sent” error in PHP
  31. Get the first element of an array
  32. What is the difference between public, private, and protected?
  33. Detecting request type in PHP (GET, POST, PUT or DELETE)
  34. How do I implement basic “Long Polling”?
  35. How do I use PHP to get the current year?
  36. Dude, where's my php.ini?
  37. What is thread safe or non-thread safe in PHP?
  38. How to get the current date and time in PHP?
  39. How to 'insert if not exists' in MySQL?
  40. How to check if PHP array is associative or sequential?
  41. What is the difference between single-quoted and double-quoted strings in PHP?
  42. What is the best collation to use for MySQL with PHP?

  43. PHP array delete by value (not key)
  44. PHP random string generator
  45. How to calculate the difference between two dates using PHP?
  46. Get first key in a (possibly) associative array?
  47. How to get(extract) a file extension in PHP?
  48. Returning JSON from a PHP Script
  49. Remove empty array elements
  50. What are the differences in die() and exit() in PHP?