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PHP System & FIle I/O Tutorials

This series of tutorials focuses on working with system and file processing in PHP.

1 PHP: How to convert CSV data to HTML tables

2 How to get the current directory of the PHP script

3 PHP: How to list all files in a directory

4 PHP: How to copy a file to another directory

5 PHP: How to Delete a File

6 PHP: How to delete a directory and its contents

7 PHP: How to Convert a Relative Path to an Absolute Path

8 PHP: How to Create or Move a Directory

9 PHP: How to Access Files in the Parent/Child Directory

10 PHP: Checking if a File or Directory Exists

11 PHP: How to read and write to a text file

12 PHP: How to get the size of a file (in bytes)

13 PHP: Reading and Writing to an HTML File

14 PHP: How to calculate total size of a folder (in bytes)

15 PHP: How to read and write to a JSON file

16 PHP chmod() function: A practical guide (with examples)

17 PHP: How to read and write to an XML file

18 PHP: How to Iterate Over All Files in a Directory

19 PHP: How to download a large file from the internet

20 PHP: How to read and write to a CSV file

21 PHP: How to get the creation time of a file or directory

22 PHP: How to get file name/extensions from a path

23 PHP: How to Validate a File Path

24 PHP: How to zip/unzip files

25 PHP: How to read a file line by line (3 approaches)

26 PHP: How to append a line to a file

27 PHP: How to check if a file is in use

28 PHP: How to check if a file is writable (2 approaches)

29 PHP: How to Rename a File/Directory

30 PHP file error - failed to open stream: Permission denied

31 PHP: How to replace a line in a text file

32 PHP: Open a file if it exists, otherwise create it

33 PHP: How to Upload a File to AWS S3

34 PHP: How to upload a file to Dropbox

35 PHP: How to bulk rename files based on a pattern

36 PHP: Checking if a remote file exists via HTTP

37 PHP: Finding Files with Regex

38 PHP: How to handle exceptions when processing files

39 PHP: How to read and write to a binary file

40 PHP: How to Change Encoding of a File

41 PHP: How to create a temporary file/directory

42 PHP: Sorting Files by Date Modified

43 PHP: Sorting Files by Size

44 PHP: How to set timeout and max memory for file operations

45 PHP: How to get system information (CPU, RAM, OS, Disk Space)

46 PHP: How to Encrypt and Decrypt Files

47 How to resize images in PHP

48 How to programmatically add watermark to an image in PHP

49 How to Write Text on an Image in PHP

50 PHP: How to Convert an Image to Grayscale

51 PHP: How to change image type (JPG/PNG/GIF) without losing quality

52 PHP: How to Change Image Metadata

53 PHP: How to parse PDF files

54 PHP: How to write to a PDF file

55 PHP: How to execute shell commands with shell_exec()

56 PHP: List all images in a directory (ignoring other file types)

57 PHP: How to create directories based on date (YYYY/MM/DD)

58 How to parse/decode QR codes in PHP

59 PHP: Find and download photos by keyword from Unsplash API

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