What does __FILE__ mean?

Related Posts:

1. How to prevent the “Confirm Form Resubmission” dialog?
2. What is a slug?
3. Only variable references should be returned by reference – Codeigniter
4. Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
5. What does the PHP error message “Notice: Use of undefined constant” mean?
6. CodeIgniter: Unable to connect to your database server using the provided settings Error Message
7. Object of class stdClass could not be converted to string
8. Replace ' and similar html codes with their correspondent character?
9. navigate back with PHP form submission
10. How do I make a redirect in PHP?
11. How to fix “Headers already sent” error in PHP
12. “Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
13. http://localhost:80 is not working on running Apache server through UniServer ZeroXIII
14. PDOException SQLSTATE[HY000] [2002] No such file or directory
15. How do I get PHP errors to display?
16. Get the full URL in PHP
17. How do I check if a string contains a specific word?
18. How to force file download with PHP
19. How to Set Category Page as Home Page in Prestashop
20. Get the full URL in PHP
21. How to copy a file from one directory to another using PHP?
22. Getting an error when I visit http://localhost
23. PHP random string generator
24. What are the differences in die() and exit() in PHP?
25. How to call a JavaScript function from PHP?
26. PHP Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP
27. Error 500: Premature end of script headers
28. Cookies vs. sessions
29. Expected status code 200 but received 500
30. PDO with INSERT INTO through prepared statements
31. Can you “compile” PHP code and upload a binary-ish file, which will just be run by the byte code interpreter?
32. How to get the file extension in PHP?
33. Invalid argument supplied for foreach()
34. Remove the last character from a string
35. How to prevent Browser cache for php site
36. what does a .php?id=&value=value means?
37. Setting up a PHP interpreter in PhpStorm
38. Get Current URL in Magento and show something
39. php create object without class
40. Creating a search form in PHP to search a database?
41. How do I make a simple crawler in PHP?
42. Create PDF file using PHP
43. pdo – Call to a member function prepare() on a non-object
44. Sort array of objects by object fields
45. When to generate a new Application Key in Laravel?
46. “Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
47. Call to undefined method mysqli_stmt::get_result
48. Replace spaces with a dash in a URL
49. Are PDO prepared statements sufficient to prevent SQL injection?
50. Message: Trying to access array offset on value of type null [duplicate]
51. retrieve data from db and display it in table in php .. see this code whats wrong with it?
52. Count how many files in directory PHP
53. What does it mean to escape a string?
54. Creating default object from empty value in PHP?
55. Send attachments with PHP Mail()?
56. header location not working in my php code
57. PHP Error: Function name must be a string
58. Uncaught Error: Call to undefined function mysql_escape_string()
59. Warning: file_get_contents(): https:// wrapper is disabled in the server configuration by all
60. Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in
61. Convert DateTime to String PHP
62. Warning: mysqli_query() expects at least 2 parameters, 1 given. What? [duplicate]
63. Xampp Access Forbidden php
64. PHP cURL custom headers
65. File attachment with PHPMailer
66. Warning: mysqli_query() expects parameter 1 to be mysqli, resource given
67. Fatal error: Call to undefined function money_format()
68. Laravel 5 MethodNotAllowedHttpException in RouteCollection.php line 201:
69. Mysql where id is in array
70. XAMPP, using port:81, cannot run localhost:81/mywebsite
71. How to extract and access data from JSON with PHP?
72. What is the MM/DD/YYYY regular expression and how do I use it in php?
73. Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
74. How to integrate WordPress with Angular 8 for website?
75. Fatal error: Maximum execution time of 30 seconds exceeded
76. cURL request in Laravel
77. PHP array printing using a loop
78. How to send to BCC address when using PHPMailer to format MIME message for Gmail API?
79. Is there any way to test PHP locally without installing a server?
80. PHP Redirect with POST data
81. Getting the screen resolution using PHP
82. PHP: fopen() Permission denied
83. How should I be setting browscap.ini file
84. Returning JSON from a PHP Script
85. How to run a PHP function from an HTML form?
86. Can I store images in MySQL 
87. MySQL Daemon Failed to Start – centos 6
88. How to insert TIMESTAMP into my MySQL table?
89. How to remove index.php from WordPress site URL
90. Remove warning messages in PHP
91. How to generate .json file with PHP?
92. Call to a member function on a non-object [duplicate]
93. Generate PDF from HTML PHP
94. Call to a member function fetch_assoc() on boolean in [duplicate]
95. How to use Memcached with PHP7?
96. Remove empty array elements
97. select count(*) from table of mysql in php
98. Auto increment in phpmyadmin
99. wordpress menu dropdown item not showing after first dropdown
100. Use of undefined constant issue