Hello guy’s i know this is not related to server setup, but i know ill find many expert here who can help me out.
i need to replace the wordpress logo from the wp-login.php
so i added following in my themes function.php
/*** Custom LOGO ***/
add_action( 'login_enqueue_scripts', 'my_login_logo' );
function custom_login_logo() {
echo '<style type="text/css">'.
'h1 a { background-image:url('.get_bloginfo( 'template_directory' ).'/assets/my-logo.png) !important; }'.
'</style>';
}
add_action( 'login_head', 'custom_login_logo' );
it replaces the logo, but whenever i login i get this error massage in my error.log
2017/06/08 17:28:13 [error] 3588#3588: *222 FastCGI sent in stderr: "PHP message: PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'my_login_logo' not found or invalid function name in /var/www/mysite/html/wp-includes/class-wp-hook.php on line 298" while reading response header from upstream, client: 103.205.121.545, server: mysite.com, request: "GET /wp-login.php?redirect_to=https%3A%2F%2Fmysite.com%2Fwp-admin%2F&reauth=1 HTTP/2.0", upstream: "fastcgi://unix:/var/run/php/php7.0-fpm.sock:", host: "mysite.com"
anyone can guide me here?
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@newbie
The issue is with the first
add_actionfunction call.If a function named
my_login_logodoes not exist in your code, adding an action that would call it will result in the warning or an error.Looking at the WordPress docs:
https://codex.wordpress.org/Customizing_the_Login_Form
You should use:
There are a few other examples as well, which includes changing links, further styling, etc.
@newbie
It shouldn’t, no, though ultimately the only way to tell if something is impacting performance is to use a monitor or conduct performance metric testing. If you’re not currently seeing higher levels of traffic, it will be a little harder to do that since with low levels of traffic (or no traffic), you can’t really tell unless it is something major.