为什么 If Elseif 失败了?

Question

很抱歉发布整个函数。这不是我的代码，我正在尝试让它工作。我正在使用调试器遍历代码。第一个如果失败了，因为它应该失败。但是，函数不是计算下一个 elseif(以及下一个 elseif 等(，而是返回！对不起，如果这是显而易见的。调试器不应该单步执行其他所有操作吗？

protected function getState()
{
$rsegments_array = $this->ci->uri->rsegment_array();
if(isset($rsegments_array[3]) && is_numeric($rsegments_array[3]))
{
$upload_url = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/upload_file/'.$rsegments_array[3]);
$ajax_list_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/'.$rsegments_array[3].'/ajax_list');
$ordering_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/ordering');
$insert_title_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/insert_title');
$state = array( 'name' => 'list', 'upload_url' => $upload_url, 'relation_value' => $rsegments_array[3]);
$state['ajax'] = isset($rsegments_array[4]) && $rsegments_array[4] == 'ajax_list'  ? true : false;
$state['ajax_list_url'] = $ajax_list_url;
$state['ordering_url'] = $ordering_url;
$state['insert_title_url'] = $insert_title_url;
return (object)$state;
}
elseif( (empty($rsegments_array[3]) && empty($this->relation_field)) || (!empty($rsegments_array[3]) &&  $rsegments_array[3] == 'ajax_list'))
{
$upload_url = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/upload_file');
$ajax_list_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/ajax_list');
$ordering_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/ordering');
$insert_title_url  = site_url($rsegments_array[1].'/'.$rsegments_array[2].'/insert_title');
$state = array( 'name' => 'list', 'upload_url' => $upload_url);
$state['ajax'] = isset($rsegments_array[3]) && $rsegments_array[3] == 'ajax_list'  ? true : false;
$state['ajax_list_url'] = $ajax_list_url;
$state['ordering_url'] = $ordering_url;
$state['insert_title_url'] = $insert_title_url;
return (object)$state;
}
elseif(isset($rsegments_array[3]) && $rsegments_array[3] == 'upload_file')
{
#region Just rename my file
$new_file_name = '';
//$old_file_name = $this->_to_greeklish($_GET['qqfile']);
$old_file_name = $this->_convert_foreign_characters($_GET['qqfile']);
$max = strlen($old_file_name);
for($i=0; $i< $max;$i++)
{
$numMatches = preg_match('/^[A-Za-z0-9.-_]+$/', $old_file_name[$i], $matches);
if($numMatches >0)
{
$new_file_name .= strtolower($old_file_name[$i]);
}
else
{
$new_file_name .= '-';
}
}
$file_name = substr( substr( uniqid(), 9,13).'-'.$new_file_name , 0, 100) ;
#endregion
$results = array( 'name' => 'upload_file', 'file_name' => $file_name);
if(isset($rsegments_array[4]) && is_numeric($rsegments_array[4]))
{
$results['relation_value'] = $rsegments_array[4];
}
return (object)$results;
}
elseif(isset($rsegments_array[3]) && isset($rsegments_array[4]) && $rsegments_array[3] == 'delete_file' && is_numeric($rsegments_array[4]))
{
$state = array( 'name' => 'delete_file', 'id' => $rsegments_array[4]);
return (object)$state;
}
elseif(isset($rsegments_array[3]) && $rsegments_array[3] == 'ordering')
{
$state = array( 'name' => 'ordering');
return (object)$state;
}
elseif(isset($rsegments_array[3]) && $rsegments_array[3] == 'insert_title')
{
$state = array( 'name' => 'insert_title');
return (object)$state;
}
}

Answer 1

由于elseif本身，代码可能不起作用。elseif用于简写，如果语句，如if(): elseif(): endif;您可能需要将所有失败的 elseifs 更新为else if空格。