Learn Advanced PHP Programming with Beginners: Each page has live coding examples, so you can learn php program easily and quickly step by step. by Pulok Md
Author:Pulok, Md
Language: eng
Format: epub
Published: 2024-01-10T00:00:00+00:00
PHP File Handling
PHP file handling involves performing operations on files, such as reading from or writing to them.
1.File Operations:
PHP provides a set of functions for handling files, allowing developers to perform various operations, including reading, writing, creating, deleting, and manipulating files.
2.File Access Modes:
When working with files, developers specify the mode in which the file should be accessed. Common access modes include:
Read (r): Open the file for reading.
Write (w): Open the file for writing. If the file already exists, its content is truncated.
Append (a): Open the file for writing, and if the file exists, move the file pointer to the end.
Binary Mode (b): Used in combination with the above modes for binary file handling.
3.File Pointers:
When a file is opened, PHP maintains a file pointer that keeps track of the current position within the file.
â The file pointer is moved during read and write operations.
4.Reading from Files:
PHP provides functions like fread(), fgets(), and file() for reading from files.
Developers can read the entire content of a file or read it line by line.
5.Writing to Files:
âWriting to files is done using functions such as fwrite() and file_put_contents().
Developers can write new content to a file or append content to an existing file.
1.File Existence and Information:
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