وردپرس';
    $content =  preg_replace("/{$word1}/", $replce, $content);
    return $content;
}
function wf_filter_words2($content)
{
    $word2 = 'ویرایش';
    $replace = 'edit';
//.... mb_strlen .... & ...... str_repeat......//  
    $wordLength = mb_strlen($word2);
    $content =  preg_replace("/{$word2}/", str_repeat('a', $wordLength), $content);
    return $content;
}
function wf_filter_words3($content)
{
    $word3 = 'حذف';
    $replace = 'delete';
    $content =  preg_replace("/{$word3}/", $replace, $content);
    return $content;
}
function wf_filter_words4($content)
{
    $word4 = 'اولین';
    $replace = 'First';
    $content = preg_replace("/{$word4}/", $replace, $content);
    return $content;
}
function wf_filter_words5($content)
{
    $word5 = 'نوشتن';
    $replace = 'write';
    $content = preg_replace("/{$word5}/", $replace, $content);
    return $content;
}
//........ the_content WORDPRESS API .......//
add_filter('the_content', 'wf_filter_words1');
add_filter('the_content', 'wf_filter_words2');
add_filter('the_content', 'wf_filter_words3');
add_filter('the_content', 'wf_filter_words4');
add_filter('the_content', 'wf_filter_words5');
// $result = apply_filters('the_content','وردپرس');
// print $result;