PHP | fileatime( ) Function
The fileatime() function in PHP is an inbuilt function which is used to return the last access time of a specified file. The fileatime() function returns the last access time of a file as a Unix Timestamp on success and False on failure.
The filename is passed as a parameter to the fileatime() function. The result of the fileatime() function is cached and a function called clearstatcache() is used to clear the cache.
Syntax:
fileatime($filename)
Parameters: The fileatime() function in PHP accepts only one parameter $filename. It specifies the file whose last access time you want to check.
Return Value: It returns the last access time of a file as a Unix Timestamp on success and False on failure.
Errors And Exception:
- The time resolution may differ from one file system to another.
- This function doesn’t works on some unix systems which have access time updates are disabled to increase performance.
Examples:
Input : echo fileatime("gfg.txt");
Output : 1525159574
Input : echo "Last accessed: ".date("F d Y H:i:s.",
fileatime("gfg.txt"));
Output : Last accessed: May 1 2018 07:26:14.
Below programs illustrate the fileatime() function.
Program 1:
<?php
echo fileatime ( "gfg.txt" );
?>
|
Output:
1525159574
Program 2:
<?php
echo fileatime ( "gfg.txt" );
echo "Last accessed: " . date ( "F d Y H:i:s." ,
fileatime ( "gfg.txt" ));
?>
|
Output:
1525159574
Last accessed: May 1 2018 07:26:14.
Reference:
http://php.net/manual/en/function.fileatime.php
Last Updated :
03 May, 2018
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