Bueno el codigo esta bien, ya que elimine
y ya no me marco error. o.O
Quedandome asi(acomode el codigo):
Código PHP:
<?php
static $xpath = array(
'id' => "@id = '%s'",
'class' => "contains(concat(' ', normalize-space(@class), ' '), ' %s ')",
'attr' => "@%s",
'contains' => "contains(string(.), '%s')",
'not' => 'not(%s)',
'operators' => array("=" => "@%1 = '%3'",
"!=" => "not(@%1) or @%1 != '%3'",
"^=" => "starts-with(@%1, '%3')",
"$=" => "substring(@%1, (string-length(@%1) - string-length('%3') + 1)) = '%3'",
"*=" => "contains(@%1, '%3')",
"~=" => "contains(concat(' ', normalize-space(@%1), ' '), ' %3 ')",
"|=" => "@%1 = '%3' or starts-with(@%1, '%3-')"),
'pseudos' => array('first-child' => 'not(preceding-sibling::*)',
'last-child' => 'not(following-sibling::*)',
'only-child' => 'not(preceding-sibling::* or following-sibling::*)',
'enabled' => "not(@disabled) and (@type!='hidden')",
'disabled' => "(@disabled) and (@type!='hidden')",
'first' => 'position() = 1',
'last' => 'last()',
'empty' => 'count(*) = 0 and (count(text()) = 0)',
'checked' => '@checked'),
'combinators' => array('>' => 'child',
'~' => 'general-sibling',
'+' => 'adjacent-sibling'));
?>