What is the function in php to modify the file name?

php's function to modify the file name is rename(). The function of this function is to rename the file or directory. Its usage syntax is "rename(oldname, newname, context)". The parameter oldname specifies the name to be renamed. file or directory, and the parameter newname specifies the new name of the file.

The operating environment of this article: Windows 7 system, PHP version 7.1, DELL G3 computer

The rename() function renames files or directories.

If successful, the function returns true. On failure, returns false.

Syntax

rename(oldname,newname,context)

Parameters

oldname required. Specifies the file or directory to be renamed.

newname Required. Specifies the new name of the file or directory.

context Optional. Specifies the environment for a file handle. context is a set of options that modify the behavior of the stream.

Tips and Notes

Note: Prior to PHP 4.3.3, rename() could not rename files across disk partitions on *nix-based systems.

Note: The encapsulation protocol used in oldname must match the one used in newname.

Note: Support for context was added in PHP 5.0.0.

Example

<?php
rename("images","pictures");
?>

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