code-boxx/0-PHP-READ-FILES.MD

## 0-PHP-READ-FILES.MD

      
    Raw
  

              0-PHP-READ-FILES.MD
            
          
    WAYS TO READ FILES IN PHP

https://code-boxx.com/php-read-file/
LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## 1-file-to-string.php
<?php
// (A) READ ENTIRE CONTENTS INTO A STRING
$text = file_get_contents("README.txt");
echo $text;

// (B) ALSO CAN FETCH FROM URL
$text = file_get_contents("https://en.wikipedia.org/wiki/Aha_ha");
echo $text;

## 2-file-to-array.php
<?php
// (A) FILE TO ARRAY
$array = file("README.txt");
print_r($array);

// (B) ADDITIONAL OPTION - SKIP EMPTY LINES
$array = file("README.txt", FILE_SKIP_EMPTY_LINES);
print_r($array);

## 3-curl.php
<?php
$curl = curl_init("https://en.wikipedia.org/wiki/Aha_ha");
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($curl);
curl_close($curl);
echo $data;

## 4-line-by-line.php
<?php
// (A) OPEN FILE
$handle = fopen("README.txt", "r") or exit("Error reading file!");

// (B) READ LINE BY LINE
while ($line = fgets($handle)) {
// you can also specify how many bytes to read at once
// while (($line = fgets($handle, 4096)) !== false) {
  echo $line;
}

// (C) CLOSE FILE
fclose($handle);

## 5-file-stream.php
<?php
// (A) START OUTPUT BUFFER
$file = "README.txt";
ob_start();

// (B) HTTP HEADERS TO FORCE DOWNLOAD
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"$file\"");
header("Expires: 0");
header("Cache-Control: must-revalidate");
header("Pragma: public");
header("Content-Length: ".filesize($file));

// (C) OUTPUT ALL THE HEADERS & STOP BUFFERING
ob_end_flush();

// (D) READ AND OUTPUT FILE DIRECTLY
readfile($file);
exit();

## 6-include-require.php
<!DOCTYPE HTML>
<html>
<body>
  <?php require "README.txt"; ?>
</body>
</html>
	<?php
	// (A) READ ENTIRE CONTENTS INTO A STRING
	$text = file_get_contents("README.txt");
	echo $text;

	// (B) ALSO CAN FETCH FROM URL
	$text = file_get_contents("https://en.wikipedia.org/wiki/Aha_ha");
	echo $text;
	<?php
	// (A) FILE TO ARRAY
	$array = file("README.txt");
	print_r($array);

	// (B) ADDITIONAL OPTION - SKIP EMPTY LINES
	$array = file("README.txt", FILE_SKIP_EMPTY_LINES);
	print_r($array);
	<?php
	$curl = curl_init("https://en.wikipedia.org/wiki/Aha_ha");
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
	$data = curl_exec($curl);
	curl_close($curl);
	echo $data;
	<?php
	// (A) OPEN FILE
	$handle = fopen("README.txt", "r") or exit("Error reading file!");

	// (B) READ LINE BY LINE
	while ($line = fgets($handle)) {
	// you can also specify how many bytes to read at once
	// while (($line = fgets($handle, 4096)) !== false) {
	echo $line;
	}

	// (C) CLOSE FILE
	fclose($handle);
	<?php
	// (A) START OUTPUT BUFFER
	$file = "README.txt";
	ob_start();

	// (B) HTTP HEADERS TO FORCE DOWNLOAD
	header("Content-Type: application/octet-stream");
	header("Content-Disposition: attachment; filename=\"$file\"");
	header("Expires: 0");
	header("Cache-Control: must-revalidate");
	header("Pragma: public");
	header("Content-Length: ".filesize($file));

	// (C) OUTPUT ALL THE HEADERS & STOP BUFFERING
	ob_end_flush();

	// (D) READ AND OUTPUT FILE DIRECTLY
	readfile($file);
	exit();
	<!DOCTYPE HTML>
	<html>
	<body>
	<?php require "README.txt"; ?>
	</body>
	</html>