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Customize: Safeguard a check on the customize_validate_{$setting_id} filter value to ensure it is a WP_Error.

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While the filter is documented to only support a `WP_Error`, it has been a common practice to return true in a validation function if no errors have occurred. This was already caught when the same filter was executed in `WP_Customize_Setting`, it was however missing in `WP_Customize_Manager::validate_setting_values()`.

Fixes #44809.


git-svn-id: https://develop.svn.wordpress.org/trunk@43578 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Felix Arntz 2018-08-19 16:37:12 +00:00
parent 8347d7e22f
commit 1e4e60f11c
1 changed files with 1 additions and 1 deletions
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src/wp-includes/class-wp-customize-manager.php
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@ -2304,7 +2304,7 @@ final class WP_Customize_Manager {
if ( ! is_wp_error( $validity ) ) {
/** This filter is documented in wp-includes/class-wp-customize-setting.php */
$late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );
if ( $late_validity->has_errors() ) {
if ( is_wp_error( $late_validity ) && $late_validity->has_errors() ) {
$validity = $late_validity;
}
}