What are the key functions in PHP for file manipulation and creation?

One key function in PHP for file manipulation and creation is fopen(), which opens a file or URL for reading or writing. Another important function is fwrite(), which writes data to an open file. Lastly, fclose() is used to close an open file handle. 

// Open a file for writing
$file = fopen("example.txt", "w");

// Write data to the file
fwrite($file, "Hello, World!");

// Close the file handle
fclose($file);

Keywords

file manipulation file creation PHP functions libraries error types

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