PHP Files Functions

php-files.php

<?php
	$path ='/dir0/dir1/myfile.php';
	$file = 'file1.txt';

	
	// Return filename
	echo basename($path);

	// Return filename without ext
	echo basename($path, '.php');

	// Return the dir name from path
	echo dirname($path);

	// Check if file exists
	echo file_exists($file);

	// Get abs path
	echo realpath($file);

	// Checks to see if file
	echo file_exists('test');

	// Check if writeable
	echo is_writable($file);

	// Check if readable
	echo is_readable($file);

	// Get file size
	echo filesize($file);

	// Create a directory
	mkdir('testing');

	// Remove dir if empty
	rmdir('testing');

	// Copy file
	echo copy('file1.txt', 'file2.txt');

	// Rename file
	rename('file2.txt', 'myfile.txt');

	// Delete File
	unlink('myfile.txt');

	// Write from file to string
	echo file_get_contents($file);

	// Write string to file
	echo file_put_contents($file, 'Goodbye World');

	$current = file_get_contents($file);

	$current .= ' Goodbye World';

	file_put_contents($file, $current);

	// Open File For Reading
	$handle = fopen($file, 'r');
	$data = fread($handle, filesize($file));
	echo $data;
	fclose($handle);


	// Open file for writing
	$handle = fopen('file2.txt', 'w');
	$txt = "John Doe\n";
	fwrite($handle, $txt);
	$txt = "Steve Smith\n";
	fwrite($handle, $txt);
	fclose($handle);