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How to remove var version request from jquery include function in WordPress

There are several similar questions here, but none of them seem to concern my specific case, at least not what I found. Here is the code that I use to include the latest version of jquery in my WP theme, and also to make sure that it appears in the footer.

function current_jquery($version) {
    global $wp_scripts;
    if ( ( version_compare($version, $wp_scripts -> registered[jquery] -> ver) == 1 ) && !is_admin() ) {
        wp_deregister_script('jquery');
        wp_register_script('jquery',
            'http://ajax.googleapis.com/ajax/libs/jquery/'.$version.'/jquery.min.js',
            false, $version, true);
    }
}
add_action('wp_head', current_jquery('1.5.1'));

Then I use wp_enqueue_script("jquery");in header.php and it works, except that I get a jquery include that ends with "jquery.min.js? Ver = 1.5.1" and I want to get rid of the request part.

I checked the wp_register_script function and from what I read, to get rid of the request, I just need to replace the second of the last variable with an empty string. '' However, when I do this, I get the "standard" version of Wordpress instead, that is, "jquery.min.js? Ver = 3.0.1" (or whatever that happens at that time).

Because I do not understand 100% everything that happens here (between current_jquery, add_action and wp_enqueue_script). I'm not even sure where to start (does this $ version get the WP version value somehow?) All I know is that wp_register_script doesn’t seem to respond to entering the version as it was documented. What am I missing here?

, (split, reg_replace, ) "src", , .

+2
1

wp_register_script NULL :

 * @param string|bool $ver (optional) Script version (used for cache busting), set to NULL to disable

, null WP_Scripts:

 if ( null === $this->registered[$handle]->ver ) // Line 93 in 3.0

... null , .

+6

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