Is spinach good for dogs?

Fatal error: Uncaught Error: Call to undefined function split() in /usr/home/drmarie/public_html/askavetquestion.com/phpGiggle/includes/configreader.class.php:82 Stack trace: #0 /usr/home/drmarie/public_html/askavetquestion.com/phpGiggle/includes/configreader.class.php(71): Config->parse_config('subtotal_colect...') #1 /usr/home/drmarie/public_html/askavetquestion.com/phpGiggle/includes/configreader.class.php(30): Config->get_config('/usr/home/drmar...') #2 /usr/home/drmarie/public_html/askavetquestion.com/phpGiggle/phpgiggle.inc.php(40): Config->Config('/usr/home/drmar...') #3 /usr/home/drmarie/public_html/askavetquestion.com/answer_np.php(184): giggle_autolink('Is spinach toxi...', -1, 1) #4 {main} thrown in /usr/home/drmarie/public_html/askavetquestion.com/phpGiggle/includes/configreader.class.php on line 82