我想實現的是能夠打印的結果是這樣的:PHP的foreach
Header 1
Link 1
Link 2
Header 2
Link 3
Header 3
Link 4
Link 5
但下面的代碼是打印結果是這樣的:
Header 1
Link 1
Link 2
Header 2
Link 1
Link 2
Link 3
Header 3
Link 1
Link 2
Link 3
Link 4
Link 5
使用php pdo wrapper class,據我所知,我別無選擇,只能用「foreach」代替「while」來循環結果,這裏是我的代碼:
$bind = array(":users_id" => $id);
$categoryQry = $db->select("category","users_id=:users_id", $bind);
//loop Headers
foreach($categoryQry AS $CatRes){
$category_name = $CatRes['category_name'];
$bind = array(
":users_id" => $id,
":link_category" => $CatRes['category_id']
);
$linkQry = $db->select("links", "users_id=:users_id AND link_category=:link_category", $bind);
//loop Links under each header
foreach($linkQry AS $LinkRes){
$link_url = $LinkRes['link_url'];
//$link_row outputs the links under each header, this is where the problem is
$link_row .= DisplayLayout("link_row.html","\$link_url");
}
//$header outputs the result OK (3 headers as stated in above example)
$header .= DisplayLayout("header.html","\$category_name,\$link_row");
}
//note that DisplayLayout is my template function which is used for outputting variables using an HTML file.
我一直在嘗試其他幾種不用運氣的方法,希望有人能夠在我的代碼中發現問題並引導我走向正確的方向。
預先感謝您和聖誕快樂。
$ link_row只會被加入,你需要在每個外環 – 2011-12-25 03:24:30