When you want to add code into the head tag of a WordPress blog the best way of doing so, especially if you are a theme builder, is to use the add_action() function that WordPress provides.
Actions are there to allow you to attach functions or classes to a specific part of WordPress’ output. So when you are coding in the functions.php file you can create a function that will output a meta tag into your head without going into the template files and manually adding this.
This is perfect for when you are developing a WordPress theme for sale.
We start with the add_action() function and use the value of ‘wp_head’:
add_action ( 'wp_head', 'my_custom_function_name' );
The first value of ‘wp_head’ is the name of the WordPress action we want to attach a function to. The second value ‘my_custom_function_name’ is the name of the function we are creating to output code.
Below is the function we will be using to insert a meta tag into our head tag.
function my_custom_function_name()
{
echo '<meta name="author" value="Will Ayers">';
}
And there you have it. The author meta tag will now show up in your head tag as long as the theme has the function wp_head() inside the head tag.
