[Solved] What will be the output of this shortcode handler?function welcome_shortcode($atts) { $atts = shortcode_atts(['user' => 'Visitor'], $atts); return "Welcome, " . $atts['user'] . "!"; } // Usage:... | Wordpress

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What will be the output of this shortcode handler?

function welcome_shortcode($atts) {
  $atts = shortcode_atts(['user' => 'Visitor'], $atts);
  return "Welcome, " . $atts['user'] . "!";
}
// Usage: [welcome user="John"]

AWelcome, !

BWelcome, Visitor!

CWelcome, John!

DError: Undefined index 'user'

Step-by-Step Solution

Solution:

Step 1: Understand shortcode_atts()
This function merges user attributes with defaults.
Step 2: Analyze usage
The shortcode is used with user="John", so $atts['user'] is 'John'.
Final Answer:
Welcome, John! -> Option C
Quick Check:
Passed attribute overrides default [OK]

Quick Trick: Passed attributes override defaults [OK]

Common Mistakes:

Assuming default is always used
Expecting error without checking defaults
Ignoring shortcode_atts behavior

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What will be the output of this shortcode handler?

Step 1: Understand shortcode_atts()

Step 2: Analyze usage

Final Answer:

Quick Check:

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