Determines whether the current request is inside the Customizer preview.

Description Description

If true — the current request is inside the Customizer preview, then the object cache gets suspended and widgets should check this to decide whether they should store anything persistently to the object cache, to transients, or anywhere else.

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Return Return

(bool) True if within the Customizer preview, false if not.

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Source Source

File: wp-includes/class-wp-widget.php

	public function is_preview() {
		global $wp_customize;
		return ( isset( $wp_customize ) && $wp_customize->is_preview() );

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Changelog Changelog

Version Description
3.9.0 Introduced.

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