blog-required-props.php
<route pattern="/blog/required-props/"></route>
<form item="Blog" target="/blog/{slug}/">
<onsubmit><?php
$slug = strtolower($BlogRow['title']);
$slug = str_replace(' ', '-', $slug);
$BlogRow['slug'] = $slug;
?></onsubmit>
<input type="text" name="title" maxlength="75" required>
<textarea name="body" maxlength="2000" minlength="10" required></textarea>
<input type="backend" name="slug" minlength=4 maxlength=150 />
</form>