<?php
global $post;
$categories = get_the_category( $post->ID );
$cat_slug = $categories[0]->slug;
if ( $cat_slug === 'houses') {
echo 'Похожие дома';
} elseif ($cat_slug === 'flats') {
echo 'Похожие квартиры';
}
?>
root# ps aux | grep apache
apache 1028 0.0 0.1 638116 14008 ? S Nov26 0:01 php-fpm: pool apache
apache 1035 0.0 0.0 548596 2652 ? S Nov26 0:00 php-fpm: pool www
apache 1038 0.0 0.0 548596 2652 ? S Nov26 0:00 php-fpm: pool www
apache 1045 0.0 0.0 548596 2652 ? S Nov26 0:00 php-fpm: pool www
apache 1046 0.0 0.0 548596 2648 ? S Nov26 0:00 php-fpm: pool www
apache 1047 0.0 0.0 548596 2652 ? S Nov26 0:00 php-fpm: pool www
apache 5421 0.0 0.1 637932 12676 ? S Nov26 0:00 php-fpm: pool apache
apache 13626 0.1 4.2 414160 343720 ? S< 07:58 0:05 nginx: worker process
apache 13665 0.1 10.1 870948 820172 ? S< 07:59 0:05 nginx: worker process
apache 16459 0.2 11.7 1001040 944788 ? S< 08:34 0:06 nginx: worker process
apache 18123 0.4 24.0 1981840 1934872 ? S< 08:59 0:03 nginx: worker process
apache 18964 0.1 0.0 54684 5748 ? S< 09:10 0:00 nginx: worker process
apache 18972 0.1 0.0 54684 6056 ? S< 09:10 0:00 nginx: worker process
root 19021 0.0 0.0 11636 1328 ? S 09:11 0:00 /bin/sh -c ps aux | grep apache
root 19023 0.0 0.0 9048 656 ? S 09:11 0:00 grep apache