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start_previewing_theme

do_action( ‘start_previewing_theme’, WP_Customize_Manager $manager )

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Fires once the Customizer theme preview has started.

Parameters

$managerWP_Customize_Manager
WP_Customize_Manager instance.

Source

do_action( 'start_previewing_theme', $this );

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Used byDescription
WP_Customize_Manager::start_previewing_theme()wp-includes/class-wp-customize-manager.php

If the theme to be previewed isn’t the active theme, add filter callbacks to swap it out at runtime.

Changelog

VersionDescription
3.4.0Introduced.

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