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PHP filemtime() function (with example)

Hi everyone,

I hope you're doing well. I have a question regarding the PHP function filemtime(). I'm currently working on a project where I need to track the modification time of a file. After doing some research, I came across this function and I'm a bit confused about how to use it properly.

I understand that filemtime() returns the last modified time of a file, but I'm not sure about the syntax and the parameters it requires. Can someone please provide me with an example that demonstrates the usage of filemtime()?

To give you a bit of context, I'm building a file management system where I want to display the last modified time of each file to the users. This way, they can easily identify which files are most up-to-date. I just need some help with implementing the filemtime() function correctly.

Your assistance will be greatly appreciated. Thank you in advance for your time and help!

Best regards,
[Your Name]

All Replies


Hey everyone,

Thought I'd jump in here and share my experience with the filemtime() function. I've found it to be really useful in monitoring file updates in my projects.

One particular use case I had was in a content management system I was building. I needed to display the last modified date of certain files to the users. With filemtime(), it was a breeze.

Here's a snippet of code that demonstrates how I implemented it:

$file = '/path/to/my/file.html';
$lastModified = filemtime($file);

// Format the last modified date
$modifiedDate = date("F j, Y", $lastModified);

// Format the last modified time
$modifiedTime = date("g:i A", $lastModified);

echo "This file was last modified on {$modifiedDate} at {$modifiedTime}.";

In this example, I used the filemtime() function to retrieve the last modified time of the file specified by the `'path/to/my/file.html'` path. I then formatted the date and time using the date() function to make it more readable for the users. The output would look something like: "This file was last modified on January 1, 2022 at 9:30 PM."

By incorporating filemtime() into my project, I was able to provide relevant information to users about when a particular file was last modified. It added an extra level of transparency and helped them stay updated.

If you have any further questions or if there's anything I can assist you with, feel free to let me know!

Best regards,
[Your Name]


Hey there!

I've used the filemtime() function in my projects before, so I hope I can help clarify how it works. In PHP, filemtime() is used to retrieve the last modified time of a file. It's quite handy when you need to track changes in file content or based on user interactions.

Here's a simple example to demonstrate its usage:

$file = 'path/to/your/file.txt';
$lastModified = filemtime($file);

// Convert the UNIX timestamp to a more readable format
$modifiedTime = date("F d, Y H:i:s", $lastModified);

echo "The file '{$file}' was last modified on {$modifiedTime}.";

In this example, you'll need to replace `'path/to/your/file.txt'` with the actual path to the file that you want to track. The filemtime() function takes the file path as its parameter and returns the last modified time of the file as a Unix timestamp. To make it more user-friendly, the example uses the date() function to convert the timestamp into a readable format.

If you run this code, you'll see an output like: "The file 'path/to/your/file.txt' was last modified on January 01, 2022 12:34:56".

Don't forget to adjust the file path according to your specific use case. I hope this helps! If you have any further questions, feel free to ask.

Best regards,
[Your Name]

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