古田住房與建設(shè)局網(wǎng)站aso優(yōu)化違法嗎
如果key是字符串時(shí),輸出什么值?會(huì)直接把a(bǔ)=time()的時(shí)間戳添加到key是字符串時(shí),輸出什么值?會(huì)直接把a(bǔ)=time()的時(shí)間戳添加到key是字符串時(shí),輸出什么值?會(huì)直接把a=time()的時(shí)間戳添加到arr[‘vars’]數(shù)組里面,還有一個(gè)判斷是arr[arr[arr[k]中有沒有這個(gè)鍵,沒有就返回假,結(jié)果為:Array ( [0] => c [a] => 1677844810)
如果arr是數(shù)組,那么他會(huì)輪循,把a(bǔ)=time()時(shí)間戳和b=time()時(shí)間戳添加到arr是數(shù)組,那么他會(huì)輪循,把a(bǔ)=time()時(shí)間戳和b=time()時(shí)間戳添加到arr是數(shù)組,那么他會(huì)輪循,把a=time()時(shí)間戳和b=time()時(shí)間戳添加到arr[‘vars’]數(shù)組里面,還有一個(gè)判斷是arr[arr[arr[k]中有沒有這個(gè)鍵,沒有就返回假,結(jié)果為Array ( [0] => c [a] => 1677844810 [b] => 1677844810 )
$key='a';
$key=['a','b'];
function mark($key,$ttl=300)
{$arr=['a'=>'aaaa','b'=>'bbbb','vars'=>array('c')];$ttl += time();if(is_array($key)){$temp=array();foreach($key as $k=>$v){if(is_int($k)){$k=$v;$v=$ttl;}else{$v += time();}echo $k.'and'.$v."<br/>";if(!isset($arr[$k])){echo '$arr里面不存在'.$k.'鍵<br/>';}$temp[$k]=$v;}$arr['vars']=isset($arr['vars']) ? array_merge($arr['vars'],$temp) :$temp;return $arr['vars'];}if(!isset($arr[$key])){return false;}$arr['vars'][$key]=$ttl;return $arr['vars'];
}
print_r(mark($key));