shortcode

// Shortcode Function
<?php 
//  Test Shortcodes For Alert
function stock_alert_shortcode($atts, $content = null) {

    extract(shortcode_atts(
        array (
            'type' => 'success',
            'text' => ''
        ), 
        $atts
    ));

    return '<div class="alert alert-'.esc_attr($type).'" role="alert">'. esc_html($text).'</div>';
    
    
  // Conditional Shortcode
  
    extract(shortcode_atts(
        array (
            'city' => ''
        ), 
        $atts
    ));
    if( $city == 'Dhaka'){
      $message = (''.esc_html($city).' is the most populated city');
    } elseif( $city == 'Sylhet') {
      $message = (''.esc_html($city).'Sylhet is the most beutiful country');
    } else {
      $message = ('you do not added a city');
    }    
    return $message;
}

add_shortcode( alert, stock_alert_shortcode );

// Shortcodes in text editor
[alert type="warning" text="Hello I am learning shortcode"]
[alert city="sylhet"]