Curriculum

PHP Basic

PHP Intro

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PHP Install

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PHP Syntax

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PHP Comments

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PHP Variables

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PHP echo / print

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PHP Data Types

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PHP Strings

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PHP Numbers

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PHP Casting

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PHP Math

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PHP Constants

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PHP Magic Constants

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PHP Operators

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PHP if...Else...Elseif

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PHP switch

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PHP Loops

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PHP Functions

0/6

PHP Arrays

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PHP Superglobals

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PHP RegEx

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PHP Form

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PHP Advanced

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PHP OOP

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MySQL Database

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PHP XML

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PHP Reference

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Text lesson

scandir()

Example

List the files and directories within the images directory.

<?php
$dir = “/images/”;

// Sort in ascending order – this is default
$a = scandir($dir);

// Sort in descending order
$b = scandir($dir,1);

print_r($a);
print_r($b);
?>

Result:

Array
(
[0] => .
[1] => ..
[2] => cat.gif
[3] => dog.gif
[4] => horse.gif
[5] => myimages
)
Array
(
[0] => myimages
[1] => horse.gif
[2] => dog.gif
[3] => cat.gif
[4] => ..
[5] => .
)

Definition and Usage

The scandir() function returns an array containing the files and directories within the specified directory.

Syntax

scandir(directory, order, context)

Parameter Values

Parameter	Description
directory	Required. Specifies the directory to scan.
order	Optional. Specifies the context for the directory handle, which consists of options that can modify the stream’s behavior.
context	Optional. Specifies the context for the directory handle, which consists of options that can modify the stream’s behavior.

Technical Details

Return Value:	Returns an array of files and directories on success, or `FALSE` on failure. Throws an E_WARNING if the path is not a valid directory.
PHP Version:	5.0+
PHP Changelog:	PHP 5.4: Added order constants.