如何從strstr函數php中計數值？

Question

我嘗試在符號'@'之後獲得值並對其進行計數。但是這段代碼並沒有給出正確的結果。如何解決它？

$t="Hi, I invite @nina and @nana to come to my party tomorow"; 
$arr=explode(' ', $t); 
foreach($arr as $user) { 
$result=strstr($user, '@'); 
$total = $count($result); 
} 
echo $total; 

結果= 1個

預期結果= 2

Answer 1

你爲什麼不與爆發，@？

$t="Hi, I invite @nina and @nana to come to my party tomorow"; 
$arr=explode('@', $t); 
$total = count($arr)-1; 
echo $total; 

Answer 2

試試看看這個代碼。

$t="Hi, I invite @nina and @nana to come to my party tomorow"; 
$arr=explode(' ', $t); 
$total =0; 
foreach($arr as $user) { 
$result=strstr($user, '@'); 
$total = $count($result); 
$total++; 
} 
echo $total;