我是 PHP 新手。这是我的 mailing.php 中的代码。当用户提交请求时，有 5-7 个可选字段和 20-25 个字段最终未被选择。输出列出所有字段和值，无论它们是空的还是已被选择。我知道我需要使用unset or array_filter，但无法弄清楚我需要如何以及在何处插入代码。
if($_POST && count($_POST)) {
$body = '';
foreach($_POST as $key=>$value)
$body .= $key . ": " . $value . "\r\n";
mail("[email protected] /cdn-cgi/l/email-protection", "Email Received at [email protected] /cdn-cgi/l/email-protection", $body);
你可以试试这个
if($_POST && count($_POST)) {
$_POST = array_filter($_POST);
$body = '';
foreach($_POST as $key=>$value)
$body .= $key . ": " . $value . "\r\n";
mail("[email protected] /cdn-cgi/l/email-protection", "Email Received at [email protected] /cdn-cgi/l/email-protection", $body);
OR
if($_POST && count($_POST)) {
$body = '';
foreach($_POST as $key=>$value){
$trim_value = trim($value);
if (!empty($trim_value)){
$body .= $key . ": " . $value . "\r\n";
}
}
mail("[email protected] /cdn-cgi/l/email-protection", "Email Received at [email protected] /cdn-cgi/l/email-protection", $body);
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