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for finding and fixing issues
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<?php
/**
* Append error
* @param mixed|WP_Error $error
* @param WP_Error $error2
* @return WP_Error
*/
function wogh_append_error( $error, $error2 ) {
if ( is_wp_error( $error ) ) {
$error->add( $error2->get_error_code(), $error2->get_error_message() );
}
return $error2;
* Test is equal front matter of post and blob
* @param Writing_On_GitHub_Post $post
* @param Writing_On_GitHub_Blob $blob
* @return bool
function wogh_equal_front_matter( $post, $blob ) {
$str1 = $post->front_matter();
$str2 = $blob->front_matter();
return trim($str1) === trim($str2);