本文整理匯總了PHP中Symfony\Component\DomCrawler\Crawler::first方法的典型用法代碼示例。如果您正苦於以下問題：PHP Crawler::first方法的具體用法？PHP Crawler::first怎麽用？PHP Crawler::first使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Symfony\Component\DomCrawler\Crawler的用法示例。
在下文中一共展示了Crawler::first方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: getFormFor
/**
* Returns the DomCrawler\Form object for the form pointed to by
* $node or its closes form parent.
*
* @param \Symfony\Component\DomCrawler\Crawler $node
* @return \Symfony\Component\DomCrawler\Form
*/
protected function getFormFor(Crawler $node)
{
if (strcasecmp($node->first()->getNode(0)->tagName, 'form') === 0) {
$form = $node->first();
} else {
$form = $node->parents()->filter('form')->first();
}
if (!$form) {
$this->fail('The selected node is not a form and does not have a form ancestor.');
}
$action = (string) $this->getFormUrl($form);
if (!isset($this->forms[$action])) {
$this->forms[$action] = $this->getFormFromCrawler($form, $action);
}
return $this->forms[$action];
}