(PHP 5, PHP 7, PHP 8)
mysqli::$sqlstate -- mysqli_sqlstate — Returns the SQLSTATE error from previous MySQL operation
Stile orientato agli oggetti
Stile procedurale
Returns a string containing the SQLSTATE error code for the last error.
The error code consists of five characters. '00000' means no error.
The values are specified by ANSI SQL and ODBC. For a list of possible values, see
» http://dev.mysql.com/doc/mysql/en/error-handling.html.
Nota:
Note that not all MySQL errors are yet mapped to SQLSTATE's. The value
HY000(general error) is used for unmapped errors.
linkSolo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()
Returns a string containing the SQLSTATE error code for the last error.
The error code consists of five characters. '00000' means no error.
Example #1 $mysqli->sqlstate example
Stile orientato agli oggetti
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* Table City already exists, so we should get an error */
try {
$mysqli->query("CREATE TABLE City (ID INT, Name VARCHAR(30))");
} catch (mysqli_sql_exception) {
printf("Error - SQLSTATE %s.\n", $mysqli->sqlstate);
}Stile procedurale
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* Table City already exists, so we should get an error */
try {
mysqli_query($link, "CREATE TABLE City (ID INT, Name VARCHAR(30))");
} catch (mysqli_sql_exception) {
printf("Error - SQLSTATE %s.\n", mysqli_sqlstate($link));
}I precedenti esempi visualizzeranno:
Error - SQLSTATE 42S01.