warning in_array() expects parameter 2 to be array string given in php https://hacknote.jp/archives/21399/ https://www.web-myoko.net/blog/wordpress/php-warning-in-array-expects-parameter-2-to-be-array-string-given-in-error-message/
<!--問題箇所に変数[$myk_field_name]の直前に(array)を付けて解決。-->
<!--例:Before-->
<?php if ($base_parking || isset($storage_space) && in_array('物置', $storage_space)) { ?>
<!--例:After-->
<?php if ($base_parking || isset($storage_space) && in_array('物置', (array)$storage_space)) { ?>