Do_action( 'wp_head' );

function hook_javascript() {
    ?>
        <script>
            alert('Page is loading...');
        </script>
    <?php
}
add_action('wp_head', 'hook_javascript');

Source: developer.wordpress.org

Do_action( 'wp_head' );

function hook_css() {
    ?>
        <style>
            .wp_head_example {
                background-color : #f1f1f1;
            }
        </style>
    <?php
}
add_action('wp_head', 'hook_css');

Source: developer.wordpress.org

Similar codes

0 vote333 views1 answer
Include navbar or part in layout in laravel blade template
PHP Laravel
0 vote323 views1 answer
Remove invalid characters from a string laravel
PHP Laravel
1 vote261 views1 answer
Php exponential operator
PHP
2 votes333 views1 answer
Laravel wherin softdelete
PHP Laravel
14 votes390 views5 answers
Wordpress get post thumbnail url
PHP Wordpress
0 vote317 views1 answer
Send image in request body laravel 6
PHP Laravel
43 votes264 views2 answers
Get array length using php
PHP
0 vote267 views1 answer
Web servers supported by php
PHP
4 votes312 views2 answers
Php ini_set timeout
PHP
16 votes269 views1 answer
Laravel skip requirements
PHP