這裏是我當前的代碼:PHP的警告:mysqli的::查詢():無法獲取的mysqli
<?php
$key = $_REQUEST['key'];
$url = $_REQUEST['url'];
include_once '../../dbconnect.php';
$query = $conn->query("SELECT * FROM members WHERE apikey='$key' && status='Active'");
$userRow=$query->fetch_array();
$conn->close();
/// Verify the URL starts with http:// or https://
if (0 === strpos($url, 'http://') || 0 === strpos($url, 'https://')) {
$url = $url;
} else {
$url = "http://$url";
}
/// Verify the key is 32 characters
if (!preg_match('/[^A-Za-z0-9]/', $key) && (strlen($key) == 32)) {
/// Verify the URL isn't malicious
if (filter_var($url, FILTER_VALIDATE_URL) === FALSE) {
die('Error: Invalid URL');
} else {
if ($userRow['status'] === 'Active') {
function generateRandomString($length = 8) {
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < $length; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
$redirect = generateRandomString();
$addshort = $conn->query("INSERT INTO short_".$redirect[0]." (redirect, apikey, url) VALUES ('".$redirect."','".$key."','".$url."')");
if ($conn->query($addshort) === TRUE) {
echo "added correctly";
} else {
echo "there was an error";
}
$conn->close();
} else {
echo "Error: Account Not Active";
}
}
} else {
die('Error: Invalid API Key');
}
?>
這裏的error_log中:
[18-Oct-2016 12:21:31 America/New_York] PHP Warning: mysqli::query(): Couldn't fetch mysqli in /home/username/public_html/subdomains/url/index.php on line 40
[18-Oct-2016 12:21:31 America/New_York] PHP Warning: mysqli::query(): Empty query in /home/username/public_html/subdomains/url/index.php on line 42
[18-Oct-2016 12:21:31 America/New_York] PHP Warning: mysqli::close(): Couldn't fetch mysqli in /home/username/public_html/subdomains/url/index.php on line 48
您可以在第7行看到我首次連接到數據庫:
$query = $conn->query("SELECT * FROM members WHERE apikey='$key' && status='Active'");
並且該行正在工作。不過,我連做一個INSERT
第二次,我得到上述錯誤:
$addshort = $conn->query("INSERT INTO short_".$redirect[0]." (redirect, apikey, url) VALUES ('".$redirect."','".$key."','".$url."')");
有什麼事,我從這段代碼只盯着太久不見了?
chk您的連接第一 – devpro
連接不應該是一個問題,否則第一個查詢應該失敗。 –
你已經在選擇'$ conn-> close();' – devpro