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Open Source Technologies Mandeep Kaur, Lovely Professional University

Notes Unit 11: Directories and Files

CONTENTS

Objectives
Introduction
11.1 Including Files with PHP Include( ) Function

11.2 Validating Files
11.2.1 Checking for Existence with file_exists ()
11.2.2 A File or a Directory?
11.2.3 Checking the Status of a File

11.2.4 Determining File Size with filesize()
11.2.5 Getting Date Information About a File
11.3 Creating File

11.4 Delete File
11.5 Opening a File for Reading
11.6 Writing Files

11.6.1 File Open Write
11.6.2 File Write Fwrite Function
11.6.3 File Write: Overwriting
11.7 Appending Files

11.7.1 File Read
11.7.2 File Open: Read
11.7.3 File Read Fread Function

11.7.4 File Read: Gets Function
11.7.5 When and How to Include Files
11.8 Summary
11.9 Keywords

11.10 Self Assessment Questions
11.11 Review Questions
11.12 Further Reading

Objectives

After studying this unit, you will be able to:

• Discuss including files in include function.
• Explain the validating files.

180 LOVELY PROFESSIONAL UNIVERSITY