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General: Introduce WP_Error::has_errors() method and use it where appropriate.

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Props robdxw, DrewAPicture, SergeyBiryukov.
Fixes #42742.
Built from https://develop.svn.wordpress.org/trunk@42761


git-svn-id: http://core.svn.wordpress.org/trunk@42591 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov
2018-02-27 02:31:31 +00:00
parent 71f206839d
commit 0e802a627d
21 changed files with 57 additions and 41 deletions
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2
wp-admin/includes/theme.php
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@@ -60,7 +60,7 @@ function delete_theme( $stylesheet, $redirect = '' ) {
return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
}
if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) {
if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
}