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WordPress

do_action( 'switch_theme', string $new_name, WP_Theme $new_theme, WP_Theme $old_theme )

Since
1.5.0, 4.5.0
Fires after the theme is switched.

Description

See 'after_switch_theme'.

Compatibility

WordPress
since 4.5.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$new_namestring
Name of the new theme.
$new_themeWP_Theme
WP_Theme instance of the new theme.
$old_themeWP_Theme
WP_Theme instance of the old theme.

Where this hook fires · 1

  • wp-includes/theme.php:875switch_theme()

Changelog

Introduced in 4.5.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

4.5.0
Introduced the $old_theme parameter.from the docblock
1.5.0
Introduced.from the docblock

About this page

Parsed data
Generated from the wordpress-develop 7.1.0 tag, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.
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