function replace_text_wps($text){
$replace = array(
// ‘关键词’ => ‘替换的关键词’
‘WordPress’ => ‘<a href=”https://www.febdays.com/tag/wordpress”>wordpress</a>’,
‘Excel’ => ‘<a href=”https://www.febdays.com/tag/excel”>excel</a>’,
‘Word’ => ‘<a href=”https://www.febdays.com/tag/word”>word</a>’
);
$text = str_replace(array_keys($replace), $replace, $text);
return $text;
}

add_filter(‘the_content’, ‘replace_text_wps’);
add_filter(‘the_excerpt’, ‘replace_text_wps’);