你能清理 Print_R 输出吗
Can you clean up Print_R output
我从 print_r
输出中得到这个:
Array ( ) Array ( ) Array ( ) Array ( ) Array ( [0] => http://www.ls.bouwmanbv.nl [1] => http://www.ls.bouwmanbv2.nl [2] => http://www.ls.bouwmanbv3.nl [3] => http://www.ls.bouwmanbv4.nl )
如何让它跳过空 Array ()
并删除 [#] =>
以便我得到这样的列表:
http://www.ls.bouwmanbv.nl
http://www.ls.bouwmanbv2.nl
http://www.ls.bouwmanbv3.nl
http://www.ls.bouwmanbv4.nl
这是有问题的代码:
<?php
$user_ = JFactory::getUser();
$db = JFactory::getDBO();
$levels = JAccess::getAuthorisedViewLevels($user->id);
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
print_r($results);
}
感谢大家的帮助。
我相信您正在尝试 echo
而不是 print_r
为此,您可以使用以下内容:
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
foreach($results as $result)
{
echo $result;
}
}
$user_ = JFactory::getUser();
$db = JFactory::getDBO();
$levels = JAccess::getAuthorisedViewLevels($user->id);
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
if(empty($results)) continue;
foreach($results as $result) {
echo $result;
}
}
您可以使用 if(empty($results)) continue;
跳过空数组,然后使用 foreach 循环列出数组内容。
我从 print_r
输出中得到这个:
Array ( ) Array ( ) Array ( ) Array ( ) Array ( [0] => http://www.ls.bouwmanbv.nl [1] => http://www.ls.bouwmanbv2.nl [2] => http://www.ls.bouwmanbv3.nl [3] => http://www.ls.bouwmanbv4.nl )
如何让它跳过空 Array ()
并删除 [#] =>
以便我得到这样的列表:
http://www.ls.bouwmanbv.nl
http://www.ls.bouwmanbv2.nl
http://www.ls.bouwmanbv3.nl
http://www.ls.bouwmanbv4.nl
这是有问题的代码:
<?php
$user_ = JFactory::getUser();
$db = JFactory::getDBO();
$levels = JAccess::getAuthorisedViewLevels($user->id);
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
print_r($results);
}
感谢大家的帮助。
我相信您正在尝试 echo
而不是 print_r
为此,您可以使用以下内容:
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
foreach($results as $result)
{
echo $result;
}
}
$user_ = JFactory::getUser();
$db = JFactory::getDBO();
$levels = JAccess::getAuthorisedViewLevels($user->id);
foreach($levels as $key => $level)
{
$query = $db->getQuery(true);
$query = 'SELECT title FROM #__pf_projects';
$query .= ' WHERE access = ' . $level;
$db->setQuery($query);
$results = $db->loadColumn();
if(empty($results)) continue;
foreach($results as $result) {
echo $result;
}
}
您可以使用 if(empty($results)) continue;
跳过空数组,然后使用 foreach 循环列出数组内容。