PHP - File Handling
Which PHP function checks if a file or directory exists at a given path?
Which PHP function checks if a file or directory exists at a given path?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the purpose of file_exists()
The function file_exists() returns true if the file or directory exists at the specified path.Step 2: Compare with other functions
Functions like is_file() check if the path is a file, filesize() returns size, and is_readable() checks permissions, but none check existence alone.Final Answer:
file_exists() -> Option CQuick Check:
Check existence = file_exists() [OK]
Quick Trick: Use file_exists() to check any file or directory presence [OK]
Common Mistakes:
- Confusing is_file() with existence check
- Using filesize() to check existence
- Assuming is_readable() means file exists
Master "File Handling" in PHP
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