陣列內的PHP代碼

Question

如何在數組內添加「for」函數輸出？由於

for($idid = 0; $idid <= $say; $idid++) { 
    echo "@"; 
    print_r($string[$idid]['screen_name']); 
    echo " "; 
} 

$url = "https://api.twitter.com/1.1/statuses/update.json"; 
$twitter = new TwitterAPIExchange($settings); 
$requestMethod = 'POST'; 
$response = $twitter->setPostfields(
    array(
     'status' => "I NEED TO ADD FOR FUNCTION OUTPUT HERE") 
) 
    ->buildOauth($url, $requestMethod) 
    ->performRequest(); 

Answer 1

你應該保存到一個變量，而不是打印到屏幕是這樣的：

$status = ""; 
for($idid = 0; $idid <= $say; $idid++) { 
    $status .= "@"; 
    $status .= print_r($string[$idid]['screen_name'], true); 
    $status .= " "; 
} 

從print_r第二個參數是直接返回輸出打印。您可以查看更多here

而在此之後使用$status變量數組中像這樣：

$response = $twitter->setPostfields(
    array('status' => $status) 
) 

Answer 2

你只需要建立一個字符串，而在你的for循環，然後引用您的API調用：

$status = ''; 
for ($idid = 0; $idid <= $say; $idid++) { 

    // Only keep if you're also printing output to the screen 
    echo "@"; 
    print_r($string[$idid]['screen_name']); 
    echo " "; 

    // New Code 
    $status .= '@' . $string[$idid]['screen_name'] . ' '; 
} 

$url = "https://api.twitter.com/1.1/statuses/update.json"; 
$twitter = new TwitterAPIExchange($settings); 
$requestMethod = 'POST'; 
$response = $twitter->setPostfields(array(
     'status' => trim($status) 
    ))->buildOauth($url, $requestMethod) 
    ->performRequest(); 

Answer 3

而不是打印字符串，只需將它們保存在一個變量供以後使用。

$var = ''; 
for($idid = 0; $idid <= $say; $idid++) { 
    $var = $var . "@"; 
    $var = $var . print_r($string[$idid]['screen_name'], true); 
    $var = $var . " "; 
} 

... 

$response = $twitter->setPostfields(
    array(
     'status' => $var) 
) 

編輯：print_r（）接受第二個參數，如果這是true輸出返回爲一個字符串，而不是打印。

這個時間段用於字符串連接，並且有這種短格式，即$ var。='';而不是$ var = $ var。 '';。但現在爲了清晰起見，我寫了代碼。

Answer 4

使for-loop的內容成爲變量。像這樣：

$output = ""; 
for($idid = 0; $idid <= $say; $idid++) { 
    $output .= "@".print_r($string[$idid]['screen_name'], true)." "; // true makes it return the content instead of printing it 
} 

$url = "https://api.twitter.com/1.1/statuses/update.json"; 
$twitter = new TwitterAPIExchange($settings); 
$requestMethod = 'POST'; 
$response = $twitter->setPostfields(
    array(
     'status' => $output) 
) 
    ->buildOauth($url, $requestMethod) 
    ->performRequest();