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PHP Basic

PHP Intro

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PHP Install

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PHP Syntax

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PHP Comments

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PHP Variables

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PHP echo / print

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PHP Data Types

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PHP Strings

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PHP Numbers

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PHP Casting

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PHP Math

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PHP Arrays

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PHP Superglobals

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PHP RegEx

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PHP Form

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PHP Advanced

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PHP OOP

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MySQL Database

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PHP XML

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PHP Reference

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Text lesson

touch()

Example

Updates the access and modification times of the specified file.

<?php
filename = “test.txt”;
if (touch($filename)) {
echo $filename . ” modification time has been changed to present time”;
} else {
echo “Sorry, could not change modification time of “ . $filename;
}
?>

Definition and Usage

The touch() function updates the access and modification times of the specified file.

Note: If the file does not exist, it will be created.

Syntax

touch(filename, time, atime)

Parameter Values

Parameter	Description
filename	Required. Specifies the file to update.
time	Optional. Specifies the time to set for the file; the current system time is used by default.
atime	Optional. Specifies the access time; by default, it uses the current system time if no parameter is set, or the same value as the `time` parameter if it is provided.

Technical Details

Return Value:	Returns TRUE on success, FALSE on failure.
PHP Version:	4.0+
PHP Changelog:	PHP 5.3 –