FileSystem Function in PHP: Part 15

Introduction

In this article I describe the PHP FileSystem functions move_uploaded_file, parse_ini_file, pathinfo and pclose. To learn about other FileSystem functions, go to:

PHP move_uploaded_file() Function

The PHP FileSystem move_uploaded_file moves an uploaded file to a new location and it returns true on success or if the filename is not a valid uploaded file, then no action will occur and move_uploaded_file will return false.

Syntax

move_uploaded_file(file,newLocation)

Parameter in move_uploaded_file function

The parameters of the function are:

Parameter	Description
file	It specifies the file to move.
newLocation	It specifies the new location of the file.

Example

An example of the function is:

<?php
$file = "C:\wamp\www\test.txt";
if(move_uploaded_file($file,"E:\sharad"))
{
echo ("$file is moved in new location");
}
else
{
echo ("$file is not uploaded via HTTP POST");
}
?>

Output

PHP parse_ini_file() function

The PHP FileSystem parse_ini_file function parses a configuration file and returns a setting in it in an array.

Syntax

parse_ini_file(file,processSections)

Parameter in parse_ini_file function

The parameters of the function are:

Parameter	Description
file	It specifies the ini file to check.
processSections	It is an optional parameter and if it is set to TRUE then parse_ini_file returns a multidimensional array with section names and settings included.

Example

An example of the function is,

suppose I first I create an ini file. The ini file looks like:

Then write the code for it:

<?php
echo "<pre>";
print_r(parse_ini_file("mcn.ini"));
?>

Output

PHP pathinfo() Function

The PHP FileSystem pathinfo function returns information about a file path and also the following elements are returned; dirname, basename, and extension.

Syntax

pathinfo(path,options)

Parameters of the pathinfo function

The parameters of the function are:

Parameter	Description
path	It specifies the path to check.
options	It specifies which array element to return and the possible values are: PATHINFO_DIRNAME It returns only directory name. PATHINFO_BASENAME It returns only base name. PATHINFO_EXTENSION It returns only extension.

Example

An example of the function is:

<?php
echo "<pre>";
print_r(pathinfo("test.txt"));
?>

Output

PHP pclose() Function

The PHP FileSystem pclose function closes a process file pointer and it returns the termination status of the process that was run or false on failure.

Syntax

pclose(pipe)

Parameter in pclose function

The parameter of the function is:

Parameter	Description
pipe	It specifies the pipe opened by popen.

Example

An example of the function is:

<?php
$file=popen('/bin/ls','r');
pclose($file);
?>