Notice: Undefined index: "$file = $_POST['file'];"
2005
"Notice: Undefined variable", "Notice: Undefined index", and "Notice: Undefined offset" using PHP
84312
Fatal error: Call to undefined function add_action() - an untouched problem
37229
Fatal error: Call to undefined method mysqli_result::fetch_all()
56105
Problems executing a condition in php
3096
PHP - Failed to open stream : No such file or directory
136454
Can you re-populate file inputs after failed form submission with PHP or JavaScript?
83835
method="post" enctype="text/plain" are not compatible?
86142
$_POST data returns empty when headers are > POST_MAX_SIZE
25911
500 Error on index.php file
59129
Call to undefined method mysqli_stmt::get_result
106548
File uploading with Express 4.0: req.files undefined
114014
Why I'm getting 500 error when using file_get_contents(), but works in a browser?
86214
if(!isset($_POST["user"]) ignored and returns Undefined Index
31067
Error : Warning: strpos() [function.strpos]: Offset not contained in string - can not find solution
8343
When do I use the PHP constant "PHP_EOL"?
53549
Unique and temporary file names in PHP?
30145
PHP Error - Uploading a file