PHP File Replace a specific word with associative array

PHP File Replace Content use associative array

Replace a specific word within a file uses an associative array.

File Content (test1.txt)

a bad person make a bad world.
a bad person loves to make trouble.
a bad person mostly don't make a lot of problem.

Example 1

• Use str_replace() function.

<?php

$file_name = 'test1.txt';
$str_replace = array('bad' => 'good', 'trouble' => 'peace');

// 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 with a list of string
$new_file_content =
str_replace(array_keys($str_replace), array_values($str_replace), $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

a good person make a good world.
a good person loves to make peace.
a good person mostly don't make a lot of problem.

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