PHP

wordpress create shortcode

function create_shortcode(){
    return "<h2>Hello world !</h2>";
}
add_shortcode('my_shortcode', 'create_shortcode');
// Use [my_shortcode]

wordpress do shortcode

<?php echo do_shortcode('[name_of_shortcode parameters=""]'); ?>

how to create wordpress shortcodes

// function that runs when shortcode is called
function wpb_demo_shortcode() { 
 
// Things that you want to do. 
$message = 'Hello world!'; 
 
// Output needs to be return
return $message;
} 
// register shortcode
add_shortcode('greeting', 'wpb_demo_shortcode'); 

wordpress shortcode

function wp_demo_shortcode() { 

//Turn on output buffering
ob_start();
$code = 'Hello World';
ob_get_clean();

 // Output needs to be return
return $code;
} 

// register shortcode
add_shortcode('helloworld', 'wp_demo_shortcode'); 

shortcode in wp

function user() {     
 ob_start();
 include(get_stylesheet_directory() . '/tutorial.php');
 return ob_get_clean();
}
add_shortcode( 'countdown', 'user' );

shortcode wordpress form

public function add_shortcode_fileds() {
    add_shortcode( 'add_fields', 'input_fields' );
    function input_fields( $atts ) {
        $atts='<form method="post" action="">';
        $atts.='<input type="text">';
        $atts.='<input type="submit">';
        $atts.='</form';
        return $atts;
    }
}