PHP Unconference Europe 2015

mysqli_stmt::$errno

mysqli_stmt_errno

(PHP 5)

mysqli_stmt::$errno -- mysqli_stmt_errnoReturns the error code for the most recent statement call

Descrierea

Stil obiect-orientat

Stil procedural

int mysqli_stmt_errno ( mysqli_stmt $stmt )

Returns the error code for the most recently invoked statement function that can succeed or fail.

Client error message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.

Parametri

stmt

Numai stilul procedural: Un identificator al declarației întors de mysqli_stmt_init().

Valorile întoarse

An error code value. Zero means no error occurred.

Exemple

Example #1 Stil obiect-orientat

<?php
/* Open a connection */
$mysqli = new mysqli("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

$mysqli->query("CREATE TABLE myCountry LIKE Country");
$mysqli->query("INSERT INTO myCountry SELECT * FROM Country");


$query "SELECT Name, Code FROM myCountry ORDER BY Name";
if (
$stmt $mysqli->prepare($query)) {

    
/* drop table */
    
$mysqli->query("DROP TABLE myCountry");

    
/* execute query */
    
$stmt->execute();

    
printf("Error: %d.\n"$stmt->errno);

    
/* close statement */
    
$stmt->close();
}

/* close connection */
$mysqli->close();
?>

Example #2 Stil procedural

<?php
/* Open a connection */
$link mysqli_connect("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

mysqli_query($link"CREATE TABLE myCountry LIKE Country");
mysqli_query($link"INSERT INTO myCountry SELECT * FROM Country");


$query "SELECT Name, Code FROM myCountry ORDER BY Name";
if (
$stmt mysqli_prepare($link$query)) {

    
/* drop table */
    
mysqli_query($link"DROP TABLE myCountry");

    
/* execute query */
    
mysqli_stmt_execute($stmt);

    
printf("Error: %d.\n"mysqli_stmt_errno($stmt));

    
/* close statement */
    
mysqli_stmt_close($stmt);
}

/* close connection */
mysqli_close($link);
?>

Exemplele de mai sus vor afișa:

Error: 1146.

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