mysqli::errno

mysqli_errno

(PHP 5, PHP 7)

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int $errno;

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mysqli_errno ( mysqli $link ) : int

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link

锟斤拷锟皆癸拷锟教伙拷锟斤拷式锟斤拷锟斤拷mysqli_connect() 锟斤拷 mysqli_init() 锟斤拷锟截碉拷锟斤拷锟接憋拷识锟斤拷

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Example #1 mysqli->errno example

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<?php
$mysqli 
= new mysqli("localhost""my_user""my_password""world");

/* 锟斤拷锟斤拷锟斤拷锟� */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

if (!
$mysqli->query("SET a=1")) {
    
printf("Errorcode: %d\n"$mysqli->errno);
}

/* 锟截憋拷锟斤拷锟斤拷 */
$mysqli->close();
?>

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<?php
$link 
mysqli_connect("localhost""my_user""my_password""world");

/* 锟斤拷锟斤拷锟斤拷锟� */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

if (!
mysqli_query($link"SET a=1")) {
    
printf("Errorcode: %d\n"mysqli_errno($link));
}

/* 锟截憋拷锟斤拷锟斤拷 */
mysqli_close($link);
?>

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Errorcode: 1193

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