Data escaping (output) in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is data escaping in WordPress output?

Data escaping means cleaning data before showing it on the screen to keep the site safe from harmful code.

beginner

Which WordPress function escapes text for safe HTML output?

The function esc_html() escapes text so it can be safely shown inside HTML.

intermediate

Why should you use esc_url() when outputting URLs?

Because it cleans URLs to prevent harmful links or scripts from running when users click them.

intermediate

What is the difference between esc_attr() and esc_html()?

esc_attr() is for escaping data inside HTML attributes, while esc_html() is for escaping data inside HTML content.

advanced

When should you NOT escape data in WordPress output?

You should not escape data twice or escape data that is already safe, as it can break the output or cause errors.

Which function should you use to escape a URL before outputting it in WordPress?

A esc_url()

B esc_html()

C sanitize_text_field()

D wp_kses_post()

esc_url() is designed to clean URLs for safe output.

What does esc_attr() do in WordPress?

A Removes all HTML tags

B Escapes data for use inside HTML attributes

C Escapes data for use inside JavaScript

D Validates user input

esc_attr() makes data safe to use inside HTML attributes like title or alt.

Why is escaping output important in WordPress?

A To prevent security issues like cross-site scripting (XSS)

B To speed up the website

C To make the site look prettier

D To compress images

Escaping output helps stop harmful code from running on your site.

Which function escapes text for safe display inside HTML content?

A esc_url()

B sanitize_email()

C esc_html()

D wp_strip_all_tags()

esc_html() converts special characters to HTML entities to prevent code execution.

What happens if you escape data twice in WordPress output?

A Nothing happens

B It makes the site faster

C It improves SEO

D Output may break or show incorrect characters

Double escaping can cause broken output or strange characters to appear.

Explain why and how you use data escaping functions in WordPress output.

Think about keeping your site safe when showing user data.

Describe the difference between esc_html() and esc_attr() and when to use each.

Consider where the data will appear in the HTML.