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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
3511 |
|
3512 | /** |
3513 | * Fires once the theme has switched in the Customizer, but before settings |
3514 | * have been saved. |
3515 | * |
3516 | * @since 3.4.0 |
3517 | * |
3518 | * @param WP_Customize_Manager $manager WP_Customize_Manager instance. |
3519 | */ |
3520 | do_action( 'customize_save', $this ); |
3521 |
|
3522 | /* |
3523 | * Ensure that all settings will allow themselves to be saved. Note that |
3524 | * this is safe because the setting would have checked the capability |
3525 | * when the setting value was written into the changeset. So this is why |
3526 | * an additional capability check is not required here. |
3527 | */ |
3528 | $original_setting_capabilities = array(); |
3529 | foreach ( $changeset_setting_ids as $setting_id ) { |