PHP File Replace Content

PHP Replace File Content

Replace a specific word within a file with a new one.

File Content(test1.txt)

A peaceful school makes a peaceful student
A peaceful person makes a peaceful heart.
A peaceful heart
A peaceful world
A peaceful person
A peaceful community

Example 1

<?php

$file_name = 'test1.txt';

// open file for reading only
$file_handler_1 = fopen($file_name, 'r') or exit('can not open file!');

// store the file content into $file_content_1
$file_content_1 = fread($file_handler_1, filesize($file_name));

// replace file content 
$new_file_content = str_replace('peaceful', 'wonderful', $file_content_1);

// close file 
fclose($file_handler_1);

$file_handler_2 = fopen($file_name, 'w+') or exit('can not open file!');

if (fwrite($file_handler_2, $new_file_content)) {
	echo 'successfully write to the file<br/>';
} else {
	echo 'can not write to the file<br/>';
}

fclose($file_handler_2);
?>

Output

• Replace the peaceful with wonderful.

A wonderful school makes a wonderful student
A wonderful person makes a wonderful heart.
A wonderful heart
A wonderful world
A wonderful person
A wonderful community

Related Links

• PHP File Access and File Templates
• PHP Tutorial
• Tutorial Home

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