php新手请教

来源：百度知道 编辑：UC知道 时间：2024/09/28 07:33:04
<html>
<title>123rw</title>
<body>
<?php

function logSerach($Id = null, $title=null, $Action= null, $User_id=null, $Created=null)
{

$Id_value = 'id='.$Id;
$title_value = 'title'.$title;
$Action_value = 'action'.$Action;
$User_id_value ='user_id'.$User_id;
$Created_value = 'created'.$Created;

$default = array($Id,$title,$Action,$User_id,$Created);
$data = array($Id_value,$title_value,$Action_value,$User_id_value,$Created_value);
$condition = '';

for ($i=0; $i<=sizeof($data); $i++)
{
if ($default[i]!=null)
$condition = ''.$data[i]; //这儿有点小问题，我想让他们通过把字符都连起来起来，如何去写？
}

$Query = 'select *
from Log
where'.$condition;
retu

$condition = "";
for ($i=0; $i<=sizeof($data); $i++)
{
if ($default[i]!=null)
$condition .= $data[i]; //这儿有点小问题，我想让他们通过把字符都连起来起来，如何去写？
}