锟剿猴拷锟斤拷锟角该猴拷锟斤拷锟侥憋拷锟斤拷锟斤拷 mysqli::__construct()
锟斤拷然说锟斤拷 mysqli::__construct() 锟斤拷锟侥碉拷 锟斤拷 mysqli_connect() 锟斤拷锟斤拷也锟斤拷锟斤拷锟斤拷锟斤拷细锟斤拷说锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷然锟斤拷锟斤拷一锟斤拷锟津单碉拷示锟斤拷锟斤拷
Example #1 mysqli_connect() 锟斤拷锟斤拷
<?php
$link = mysqli_connect("127.0.0.1", "my_user", "my_password", "my_db");
if (!$link) {
echo "Error: Unable to connect to MySQL." . PHP_EOL;
echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL;
echo "Debugging error: " . mysqli_connect_error() . PHP_EOL;
exit;
}
echo "Success: A proper connection to MySQL was made! The my_db database is great." . PHP_EOL;
echo "Host information: " . mysqli_get_host_info($link) . PHP_EOL;
mysqli_close($link);
?>
锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�
Success: A proper connection to MySQL was made! The my_db database is great. Host information: localhost via TCP/IP