Home > Backend Development > PHP Tutorial > How do I prepend content to a file in PHP?

How do I prepend content to a file in PHP?

Susan Sarandon
Release: 2024-11-06 22:38:03
Original
936 people have browsed it

How do I prepend content to a file in PHP?

Prepending to the Beginning of a File in PHP

In PHP, writing to a file appends the content to the end of the existing file. To prepend content to the beginning, we need a workaround.

Rewind() Overwriting Issue

The rewind() function, as you mentioned, repositions the file pointer to the beginning of the file. However, if the current content is larger than the prepended content, it will overwrite the existing content.

Solution: Append Prepended Content

Instead of overwriting the file, we can append the prepended content to the beginning of the file's existing contents:

This approach ensures that the original content remains intact while prepending the new content to the beginning of the file.

The above is the detailed content of How do I prepend content to a file in PHP?. For more information, please follow other related articles on the PHP Chinese website!

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template