Array

(

[0] => Array

(

[id] => 6

[title] => 凤凰

[bid] => 2

)

[1] => Array

(

[id] => 5

[title] => 年康

[bid] => 2

)

[2] => Array

(

[id] => 4

[title] => 海鸥

[bid] => 2

)

[3] => Array

(

[id] => 3

[title] => 111cn.net

[bid] => 1

)

[4] => Array

(

[id] => 2

[title] => 中国WEB第一站

[bid] => 1

)

[5] => Array

(

[id] => 1

[title] => www.111cn.net

[bid] => 1

)

)

//方法一,直接把值取出来，并且输出

foreach($arr as $key=>$val){

foreach($val as $k=>$val2){

if($val2['bid']==1){//判断

echo $val2['bid']."

";

}

}

}

//方法二，把符合条件的数组再次生成数组

代码如下

复制代码

res=array();

foreach($arr as $sub){

foreach($sub as $value){

if($value==1){

array_push($res,$sub);

}

}

}

print_r($res);

//结果为

Array

(

[3] => Array

(

[id] => 3

[title] => 111cn.net

[bid] => 1

)

[4] => Array

(

[id] => 2

[title] => 中国WEB第一站

[bid] => 1

)

[5] => Array

(

[id] => 1

[title] => www.111cn.net

[bid] => 1

)

)

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