如果两个数组进行排列,如下:$a1 = array(1=>"aaa1",2=>"aaa2",3=>"aaa3");
$b1 = array(1=>"bbb1",2=>"bbb2",3=>"bbb3");循环的是
foreach($a1 as $key1=>$value1){
foreach($b1 as $keyb=>$valueb){
echo $value1."_".$valueb."<br />";
}
}组合为
aaa1_bbb1,aaa2_bbb1,aaa3_bbb1,aaa1_bbb2,aaa2_bbb2,aaa3_bbb2,aaa1_bbb3,aaa2_bbb3,aaa3_bbb3
如果 数组增加到10,10个数组进行这样的 组合 除了循环还有什么方法么?
$b1 = array(1=>"bbb1",2=>"bbb2",3=>"bbb3");循环的是
foreach($a1 as $key1=>$value1){
foreach($b1 as $keyb=>$valueb){
echo $value1."_".$valueb."<br />";
}
}组合为
aaa1_bbb1,aaa2_bbb1,aaa3_bbb1,aaa1_bbb2,aaa2_bbb2,aaa3_bbb2,aaa1_bbb3,aaa2_bbb3,aaa3_bbb3
如果 数组增加到10,10个数组进行这样的 组合 除了循环还有什么方法么?
$a[] = array(1=>"bbb1",2=>"bbb2",3=>"bbb3");
$a[] = array(1=>"ccc1",2=>"ccc2",3=>"ccc3");
$a[] = array(1=>"ddd1",2=>"ddd2",3=>"ddd3");$r = $a[0];
$i = 1;
$j = count($a);
for(;$i<$j;$i++)
{
$tmp = array();
foreach($r as $v)
{
foreach($a[$i] as $v2)
{
$tmp[] = $v."_".$v2;
}
}
$r = $tmp;
}echo "<pre/>";
print_r($r);