javascript - Get style and script file versions and use them while writing a cache manifest file

admin2025-06-03 4

Earlier I've learned how to remove file versions from wordpress style and script file source links inside the wp_head function. From here: How to remove file versions from the file source links in wp_head?

I had a good reason needing that action. Why? While writing a cache manifest file, inside that file I managed to write also absolute source links, but without ?ver= parameter. wp_head has generated the used theme with ?ver= parameter the syle and script file inclusions. So there was smooth differences between the cache data and theme data. I don't know if that was the reason not getting the styles while being offline my test site.

Question:

Now what I'd like to know, is the way how can I add ?ver= parameter to the cache manifest file entries. I'm writing this way the cache file's lines:

$hashes = "";
$network = array("\n\nNETWORK:");
$cache = array("\n\nCACHE:");
$path = get_stylesheet_directory()."/";
$dir = new RecursiveDirectoryIterator( $path );

foreach(new RecursiveIteratorIterator($dir) as $file) {
    if ($file->IsFile() && $file != "./manifest.php" && substr($file->getFilename(), 0, 1) != ".") {
        if(preg_match('/.php$/', $file)) {
            if (isAllowedExtension($file))
                array_push($network,"\n" . str_replace($path, './', $file));
        } else {
            if (isAllowedExtension($file))
                array_push($cache,"\n" . str_replace($path, './', $file));
        }

        $hashes .= md5_file($file);
    }
}

Hence this aren't absolute url's, I'm just curious how could be possible adding the ?ver= parameter to this file url's? :)

===

Update:

if( !strpos( $file, '?ver=' ) ) {
    $file = add_query_arg( 'ver', $file );
    return $file;
}

This is only a try... Not complete code. First I think we should check if the file has any version, then add the version parameter after the source url.

Question:

Now what I'd like to know, is the way how can I add ?ver= parameter to the cache manifest file entries. I'm writing this way the cache file's lines:

$hashes = "";
$network = array("\n\nNETWORK:");
$cache = array("\n\nCACHE:");
$path = get_stylesheet_directory()."/";
$dir = new RecursiveDirectoryIterator( $path );

foreach(new RecursiveIteratorIterator($dir) as $file) {
    if ($file->IsFile() && $file != "./manifest.php" && substr($file->getFilename(), 0, 1) != ".") {
        if(preg_match('/.php$/', $file)) {
            if (isAllowedExtension($file))
                array_push($network,"\n" . str_replace($path, './', $file));
        } else {
            if (isAllowedExtension($file))
                array_push($cache,"\n" . str_replace($path, './', $file));
        }

        $hashes .= md5_file($file);
    }
}

Hence this aren't absolute url's, I'm just curious how could be possible adding the ?ver= parameter to this file url's? :)

===

Update:

if( !strpos( $file, '?ver=' ) ) {
    $file = add_query_arg( 'ver', $file );
    return $file;
}

This is only a try... Not complete code. First I think we should check if the file has any version, then add the version parameter after the source url.

Share Improve this question edited Feb 9, 2019 at 0:00 fuxia♦ 107k39 gold badges255 silver badges461 bronze badges asked Apr 18, 2013 at 15:51 user17408

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1 Answer 1

Sorted by: Reset to default 0

You could use add_query_arg():

$url = add_query_arg( 'ver', $GLOBALS['wp_version'], $url );

But I see one problem: How can you be sure the resource is actually used? And how do you know the author has not passed a custom version?

So you can do that only in a very controlled environment: when you know everything about the code.

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javascriptGet style and script file versions and use them while writing a cache manifest file

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