Delete file in PHP

PHP Tutorial » Delete file in PHP

How do I delete a file in PHP
Deleting a file means completely deleting a file from a directory so that the file no longer exists. PHP has a function named unlink () that allows you to delete a file.

Syntax:

Where:
The unlink() function in PHP takes two parameters as: $file_name and $context.

Suppose we have a file in the database named "my_file.txt"

<?php

// PHP program to delete my_file.txt 

// using unlike() function 



$file_to_delet = "my_file.txt"; 



// Use unlink() function to delete a file 

if (!unlink($file_to_delet)) { 

echo ("$file_to_delet - file cannot be deleted due to an error"); 

} 

else { 

echo ("$file_to_delet - file has been deleted"); 

} 

?>   

Related subjects:
PHP for loop PHP foreach What is an array Convert array to string comma Array to comma separated

In this chapter we go deeper intoo:
How do I delete a file in PHP?
Which function is used to delete the file in PHP?
What is unlink in PHP?
How do you empty a folder in PHP?
How do you delete a directory which is not empty?
What is the function of rmdir?

Tags: php delete file: if exists, from server, from directory, after download, from folder, on server, contents
after time, starting with, function

Sometime, we need to delete a directory using php code. so in this post i will help you how to remove a directory named "php_images".

<?php

$dir_path = "php_images";

if(!rmdir($dir_path)) {

echo ("Could not remove $dir_path");

}

else { 

echo ("$dir_path - file has been deleted"); 

} 

?>
      

To delete the content of the file using preg_replace() function.

Syntax:
preg_replace( $pattern, $replacement, $subject);

<?php

 $my_file = 'fruits.txt';

$content_file = file_get_contents('fruits.txt');

echo "File contents before using "

. "preg_replace() function<br>";

echo $content_file;

echo "<br><br>File contents after using "

. "preg_replace() function<br> ";

$file_empty = preg_replace('/[a-z]/', '', $content_file);

echo $file_empty;

file_put_contents($my_file, $file_empty);

?>