PHP - Superglobals and Web Context
What type of data structure is
$_FILES in PHP when handling file uploads?What type of data structure is $_FILES in PHP when handling file uploads?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the role of
$_FILES$_FILESis a superglobal array in PHP that stores information about files uploaded via HTTP POST.Step 2: Identify the data type of
It is an associative array where keys are the input field names and values are arrays with file details like name, type, size, tmp_name, and error.$_FILESFinal Answer:
An associative array containing file upload information -> Option DQuick Check:
Data structure = associative array [OK]
Quick Trick: Remember: $_FILES is always an associative array [OK]
Common Mistakes:
- Thinking $_FILES is a string or integer
- Confusing $_FILES with $_POST or $_GET
- Assuming $_FILES is a boolean
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