$q[] = Array ('a' => '1', 'b' => '11');
$q[] = Array ('a' => '2', 'b' => '22');
$s[] = Array ('a' => '1', 'b' => '11');
$s[] = Array ('a' => '2', 'b' => 'BB');
$s[] = Array ('a' => '3', 'b' => 'CC' );
$s[] = Array ('a' => '4', 'b' => '11');$d = array_diff($s,$q);//知道不是这样写
结果是:
Array ( [1] => Array ('a' => '2', 'b' => 'BB'),
[2] => Array ('a' => '3', 'b' => 'CC' ),
[3] => Array ('a' => '4', 'b' => '11'));$e = array_diff($s,$q);//知道不是这样写
结果是:
Array ( [1] => Array ('a' => '2', 'b' => '22'));======================================
该如何实现呢? 有没有这样的函数
$d=array();
foreach($q as $qKey=>$qValue){
foreach($s as $sKey=>$sValue){
if($sValue!=$qValue){
if(!in_array($sValue,$d)) $d[]=$sValue;
}else{
unset($s[$sKey]);
}
}
}
return $d;
}
print_r(myArrayDiff($s,$q));第二个不咋明白你的意思,描述一下你的想法?
$q[] = Array ('a' => '1', 'b' => '11');
$q[] = Array ('a' => '2', 'b' => '22');
$s[] = Array ('a' => '1', 'b' => '11');
$s[] = Array ('a' => '2', 'b' => 'BB');
$s[] = Array ('a' => '3', 'b' => 'CC' );
$s[] = Array ('a' => '4', 'b' => '11');$d = array_diff($s,$q);//知道不是这样写
结果是:
Array ( [1] => Array ('a' => '2', 'b' => 'BB'),
[2] => Array ('a' => '3', 'b' => 'CC' ),
[3] => Array ('a' => '4', 'b' => '11'));$e = array_diff($q,$s);//知道不是这样写
结果是:
Array ( [1] => Array ('a' => '2', 'b' => '22'));
第二个是写错了,,,上面才对..."blueforyou"的方法我知道;我是想看看有没有现成的比较函数可用!不过同样谢谢blueforyou 的回复