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; rel="https://api.w.org/"
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is_customize_preview() – Function | Developer.WordPress.org
is_customize_preview(): bool
Whether the site is being previewed in the Customizer.
bool True if the site is being previewed in the Customizer, false otherwise.
| Version | Description |
|---|
| 4.0.0 | Introduced. |
Simple example to add something conditionally, if currently on customizer preview page: