我为创建的批量邮件平台构建了一个邮件功能，除了要替换的链接之外，其他所有功能均正常运行，所有补救措施都使用相同的电子邮件变量，这与变量$一起发生跟踪器也是如此，但已将其添加到sendMail函数中，此问题已得到修复，对于str_replace来说无效，该函数原本应该在每次迭代中更改电子邮件，就像它在每次迭代中发送邮件一样，无法理解为什么变量保持如果要迭代，则相同。
我已注释掉问题所在的代码为“ //问题在这里”，for循环为“ foreach（$ emails as $ email）{”
class mailer{
private $max = 1000; // Máximo de envios de acordo com o servidor
private $connect;
public function __construct($host,$user,$password,$db){
$this->connect = new mysqli($host,$user,$password,$db);
}
public function enviarCampanhas(){
$connect = $this->connect;
$data = date("Y-m-d");
$get = $connect->query("SELECT * FROM campanhas WHERE status = 0 OR status = 3 AND data_inicio LIKE '$data%'");
$count = $get->num_rows;
$max_per_campanha = $this->max / $count;
while($fetch = $get->fetch_array(MYSQLI_ASSOC)){
// Falta contagem do array da lista para saber a que emails enviar e depois marcar na campanha quantos já foram enviados
// Calcular o nr de email na lista
$cid = $fetch['id'];
$total = $fetch['total'];
$enviado = $fetch['enviado'];
$assunto = utf8_decode($fetch['assunto']);
$template_id = $fetch['template_id'];
$get_campaign = $connect->query("SELECT * FROM campanhas WHERE id = '$cid'");
$fetch_campaign = $get_campaign->fetch_array(MYSQLI_ASSOC);
$lista_id = $fetch_campaign['lista_id'];
$user_id = $fetch_campaign['user_id'];
$get_template = $connect->query("SELECT * FROM templates WHERE id = '$template_id'");
$fetch_template = $get_template->fetch_array(MYSQLI_ASSOC);
$corpo = $fetch_template['codigo'];
$corpo = str_replace('*','<style>', $corpo);
$corpo = $corpo."</style>";
// Trocar links para contabilitizar
$html = $corpo;
//Create a new DOM document
$dom = new DOMDocument;
//Parse the HTML. The @ is used to suppress any parsing errors
//that will be thrown if the $html string isn't valid XHTML.
@$dom->loadHTML($html);
//Get all links. You could also use any other tag name here,
//like 'img' or 'table', to extract other tags.
$links = $dom->getElementsByTagName('a');
//Iterate over the extracted links and display their URLs
foreach ($links as $link){
$old_link = $link->getAttribute('href');
$new_link = "https://".$_SERVER['SERVER_NAME']."/scripts/link.php?link=".$link->getAttribute('href')."&campaign_id=".$cid;
$html = str_replace($old_link,$new_link,$html);
}
$corpo = $html;
$get_lista = $connect->query("SELECT * FROM listas WHERE lista_id = '$lista_id'");
$fetch_lista = $get_lista->fetch_array(MYSQLI_ASSOC);
$emails = $fetch_lista['email'];
$unsubscribers = $fetch_lista['unsubscribed'];
$unsubscribers = explode(",",$unsubscribers);
$emails = explode(",",$emails);
$emails_new = array_diff_key($emails, array_values($unsubscribers));
$email_nr = 0;
$count = 1;
// the problem is here
foreach($emails as $email){
if($count == $max_per_campanha){
// Parar
}else{
$email = trim($email);
$tracker = '<img src="http://website.com/scripts/save_click.php?campaign_id='.$fetch['id'].'&email='.$email.'" />';
require_once('../configs/global.php');
// This is what is not working properly
$novo_url = $config['global']['website']."/scripts/unsubscribed.php?email=$email&campaign_id=$cid";
$corpo = str_replace("http://website.com/scripts/unsubscribe.php?replaceparam=x", $novo_url, $corpo);
$app = new app;
if($app->sendMail($email,$assunto,$tracker."</br>".$corpo) == true){
// Guardar emails entregues
$connect->query("UPDATE campanhas SET sucess_delivered = sucess_delivered + 1 WHERE id = '$cid'");
// Adicionar DB sucess_deliveries , com emails bounced em array
//echo $corpo;
}else{
// Adicionar DB bounced , com emails bounced em array
$connect->query("UPDATE campanhas SET bounced = bounced + 1 WHERE id = '$cid'");
}
$count++;
}
}
// the problem is inside foreach
$enviado = $enviado + $count;
if($enviado >= $total){
$connect->query("UPDATE campanhas SET enviado = '$total',status = 1 WHERE id='$cid'");
echo "excedeu, completa";
}else{
$connect->query("UPDATE campanhas SET enviado = enviado + '$count' WHERE id='$cid'");
echo "não completa";
}
}
}
}
由于它正在遍历数组中的每封电子邮件，并且该数组清晰可读，甚至跟踪器也在更改自身，因此它是电子邮件，我不明白为什么str_replace向每个收件人发送相同的退订电子邮件作为参数
答案 0 :(得分：1)
问题出在这一行：
$corpo = str_replace("http://website.com/scripts/unsubscribe.php?replaceparam=x", $novo_url, $corpo);
第一次，$corpo不再包含http://website.com/scripts/unsubscribe.php?replaceparam=x，因为它已被$novo_url取代。因此，在将来的迭代中，它根本不会更新$corpo。
不要将str_replace()的结果分配回相同的变量，而是分配给新的变量。您需要保留原始字符串作为模板。
foreach($emails as $email){
if($count == $max_per_campanha){
// Parar
}else{
$email = trim($email);
$tracker = '<img src="http://website.com/scripts/save_click.php?campaign_id='.$fetch['id'].'&email='.$email.'" />';
require_once('../configs/global.php');
// This is what is not working properly
$novo_url = $config['global']['website']."/scripts/unsubscribed.php?email=$email&campaign_id=$cid";
$new_corpo = str_replace("http://website.com/scripts/unsubscribe.php?replaceparam=x", $novo_url, $corpo);
$app = new app;
if($app->sendMail($email,$assunto,$tracker."</br>".$new_corpo) == true){
// Guardar emails entregues
$connect->query("UPDATE campanhas SET sucess_delivered = sucess_delivered + 1 WHERE id = '$cid'");
// Adicionar DB sucess_deliveries , com emails bounced em array
//echo $new_corpo;
}else{
// Adicionar DB bounced , com emails bounced em array
$connect->query("UPDATE campanhas SET bounced = bounced + 1 WHERE id = '$cid'");
}
$count++;
}
}