[Solved] What will happen if you add this setting without a sanitize callback?$wp_customize->add_setting('footer_text', ['default' => 'My site']); | Wordpress

Wordpress - Themes and Appearance

What will happen if you add this setting without a sanitize callback?

$wp_customize->add_setting('footer_text', ['default' => 'My site']);

AThe setting will not save any user input

BThe setting saves user input without validation, which may cause security issues

CWordPress automatically sanitizes the input safely

DAn error is thrown because sanitize_callback is required

Step-by-Step Solution

Solution:

Step 1: Understand sanitize_callback role
Sanitize callbacks clean user input before saving to prevent unsafe data.
Step 2: Check behavior without sanitize_callback
Without it, input saves as-is, risking security or data integrity issues.
Final Answer:
The setting saves user input without validation, which may cause security issues -> Option B
Quick Check:
No sanitize_callback = unsafe input saved [OK]

Quick Trick: Always add sanitize_callback to clean user input [OK]

Common Mistakes:

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What will happen if you add this setting without a sanitize callback?