PHP - Simple File Handling

rexi_404 · 2025-02-27T06:30:47+0000

In this tutorial we will create a Simple File Handling using PHP. PHP is a server-side scripting language designed primarily for web development. It is a lean and consistent way to access databases. This means developers can write portable code much easier. It is mostly used by a newly coders for its user friendly environment. So Let's do the coding.

Before we started:

First you have to download & install XAMPP or any local server that run PHP scripts. Here's the link for XAMPP server https://www.apachefriends.org/index.html.

Creating The Interface

This is where we will create a simple form for our application. To create the forms simply copy and write it into you text editor, then save it as shown below.

index.php

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<a class="navbar-brand" href="https://sourcecodester.com">Sourcecodester</a>
</div>
</nav>
<div class="col-md-3"></div>
<div class="col-md-6 well">
<h3 class="text-primary">PHP - Simple File Handling</h3>
<hr style="border-top:1px dottec #ccc;"/>
<div class="form-inline">
<form method="POST" action="add_file.php">
<label style="font-size:18px;">Filename:</label>
<input type="text" name="name" class="form-control"/>
<button type="submit" class="btn btn-primary">Create File</button>
</form>
</div>
<br />
<table class="table table-bordered">
<thead>
<tr>
<th>Name</th>
<th>Action</th>
</tr>
</thead>
<tbody>
<?php
$full_path

=

"files"

;
$dir

=

opendir

(

$full_path

)

;
while

(

(

$file

=

readdir

(

$dir

)

)

!==

FALSE

)

{
if

(

$file

==

"."

||

$file

==

".."

)
continue

;
?>
<tr>
<td><?php

echo

$file

?>

</td>
<td colspan="2"><center><a class="btn btn-warning" href="edit_file.php?filename=<?php

echo

$file

?>

"><span class="glyphicon glyphicon-edit"></span> Edit</a> <a class="btn btn-danger" href=""><span class="glyphicon glyphicon-trash"></span> Delete</a></center></td>
</tr>
<?php
}
closedir

(

$dir

)

;
?>
</tbody>
</table>
</div>
</body>
</html>

add_file.php

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<a class="navbar-brand" href="https://sourcecodester.com">Sourcecodester</a>
</div>
</nav>
<div class="col-md-3"></div>
<div class="col-md-6 well">
<h3 class="text-primary">PHP - Simple File Handling</h3>
<hr style="border-top:1px dottec #ccc;"/>
<?php
$path

=

"files"

;
$filename

=

$_POST

[

'name'

]

.

".txt"

;
fopen

(

$path

.

"/"

.

$filename

,

'w'

)

;
?>
<form method="POST" action="save_file.php">
<label>Enter a Text</label>
<textarea name="content" style="width:100%; height:100px; resize:none;"></textarea>
<input type="hidden" name="filename" value="<?php

echo

$filename

?>

"/>
<button type="submit" class="btn btn-primary">Save</button>
</form>
</div>
</body>
</html>

edit_file.php

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
<link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<a class="navbar-brand" href="https://sourcecodester.com">Sourcecodester</a>
</div>
</nav>
<div class="col-md-3"></div>
<div class="col-md-6 well">
<h3 class="text-primary">PHP - Simple File Handling</h3>
<hr style="border-top:1px dottec #ccc;"/>
<?php
$file_name

=

$_GET

[

'filename'

]

;
$path

=

"files"

;
$file

=

fopen

(

$path

.

"/"

.

$file_name

,

"r"

)

;
$content

=

fread

(

$file

,

filesize

(

$path

.

"/"

.

$file_name

)

)

;
fclose

(

$file

)

;
?>
<form method="POST" action="save_file.php">
<label>Enter a Text</label>
<textarea name="content" style="width:100%; height:100px; resize:none;"><?php

echo

$content

?>

</textarea>
<input type="hidden" name="filename" value="<?php

echo

$file_name

?>

"/>
<button type="submit" class="btn btn-primary">Save</button>
</form>
</div>
</body>
</html>

Creating the Save Function

This code contains the specific script for the save function. This code will save the file by sending the post data to the file. To do that write these block of codes inside the Text editor and call it as save_file.php.

<?php
if

(

$_POST

[

'content'

]

!=

""

)

{
$content

=

$_POST

[

'content'

]

;
$file_name

=

$_POST

[

'filename'

]

;
$path

=

"files"

;
$file

=

fopen

(

$path

.

"/"

.

$file_name

,

'w'

)

;
fwrite

(

$file

,

$content

)

;
fclose

(

$file

)

;
header

(

"location:index.php"

)

;
}

else

{
echo

"Error!"

;
echo

"<a href='index.php'>Back</a>"

;
}
?>

There you have it we successfully created a Simple File Handling using PHP. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!!!

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