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

0/2

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

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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

disk_free_space()

Example

Retrieve the amount of free space, in bytes, available on the C: drive.

<?php
echo disk_free_space(“C:”);
?>

The result of the code above might be:

109693288448

Definition and Usage

The disk_free_space() function returns the available free space, in bytes, of the specified filesystem or disk.

Tip: Use disk_total_space() to find the total size of a filesystem or disk.

Syntax

disk_free_space(directory)

Parameter Values

Parameter	Description
directory	Mandatory. Specifies the filesystem or disk to be checked.

Technical Details

Return Value:	Returns the amount of free space in bytes on success, or FALSE on failure.
PHP Version:	4.1+