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Php 在foreach中优化while和SQL_Php_Mysql_Process_Foreach_While Loop - Fatal编程技术网

Php 在foreach中优化while和SQL

Php 在foreach中优化while和SQL,php,mysql,process,foreach,while-loop,Php,Mysql,Process,Foreach,While Loop,我的代码: $text = '12-name-y-86'; $array = explode('-',$text); foreach($array as $value) { $sql = mysql_query("SELECT * FROM `table` WHERE `pid`='$value' ORDER BY `id` LIMIT 3"); echo '***'.$value.'***'; echo '<br />'; while($ro

我的代码:

$text = '12-name-y-86';
$array = explode('-',$text);
foreach($array as $value) {
    $sql = mysql_query("SELECT * FROM `table` WHERE `pid`='$value' ORDER BY `id` LIMIT 3");
    echo '***'.$value.'***';
    echo '<br />';    
    while($row = mysql_fetch_array($sql)) {
        echo $row['title'];
        echo '<br />';
    }
    echo '<br /><br />';
}
$text='12-name-y-86';
$array=分解('-',$text);
foreach($array作为$value){
$sql=mysql\u查询(“从`table`中选择*WHERE`pid`=`value`按`id`LIMIT 3'排序”);
回显'***'.$value.'***';
回声“
”; while($row=mysql\u fetch\u数组($sql)){ echo$row['title']; 回声“
”; } 回音“

”; }
打印:

12

标题1

标题2

标题3

名称

ti1

ti2

ti3

y

tle1

tle2

tle3

86

mytitle1

mytitle2

mytitle3


此代码的工作完全购买更多的价值在$text,服务器已关闭

尝试在一个查询中选择所有记录,如下所示:

$text = '12-name-y-86';
$array = explode('-', $text);
$array = "'" . implode(',', $array) . "'";
$sql = mysql_query("SELECT * FROM `table` WHERE `pid` IN (' . $array . ') ORDER BY `id` LIMIT 3");
while($row = mysql_fetch_array($sql)) {
    echo $row['title'];
    echo '<br />';
}
echo '<br /><br />';
$text='12-name-y-86';
$array=分解('-',$text);
$array=“””。内爆(“,”,$array)。"'";
$sql=mysql_query(“按`id`LIMIT 3`顺序从`table`中选择*,其中`pid`位于('.$array.'));
while($row=mysql\u fetch\u数组($sql)){
echo$row['title'];
回声“
”; } 回音“

”;
resource(49)类型(mysql结果),但不是echo标题!可能重复的