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Customer Podcast - City of St. Cloud
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MYSQLI_WARNING_COUNT(3) 1 MYSQLI_WARNING_COUNT(3) mysqli::$warning_count - Returns the number of warnings from the last query for the given link Object oriented style SYNOPSIS
int$mysqli->warning_count () DESCRIPTION
Procedural style int mysqli_warning_count (mysqli $link) Returns the number of warnings from the last query in the connection. Note For retrieving warning messages you can use the SQL command SHOW WARNINGS [limit row_count]. PARAMETERS
o $ link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3) RETURN VALUES
Number of warnings or zero if there are no warnings. EXAMPLES
Example #1 $mysqli->warning_count example Object oriented style <?php $mysqli = new mysqli("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()) { printf("Connect failed: %s ", mysqli_connect_error()); exit(); } $mysqli->query("CREATE TABLE myCity LIKE City"); /* a remarkable city in Wales */ $query = "INSERT INTO myCity (CountryCode, Name) VALUES('GBR', 'Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch')"; $mysqli->query($query); if ($mysqli->warning_count) { if ($result = $mysqli->query("SHOW WARNINGS")) { $row = $result->fetch_row(); printf("%s (%d): %s ", $row[0], $row[1], $row[2]); $result->close(); } } /* close connection */ $mysqli->close(); ?> Procedural style <?php $link = mysqli_connect("localhost", "my_user", "my_password", "world"); /* check connection */ if (mysqli_connect_errno()) { printf("Connect failed: %s ", mysqli_connect_error()); exit(); } mysqli_query($link, "CREATE TABLE myCity LIKE City"); /* a remarkable long city name in Wales */ $query = "INSERT INTO myCity (CountryCode, Name) VALUES('GBR', 'Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch')"; mysqli_query($link, $query); if (mysqli_warning_count($link)) { if ($result = mysqli_query($link, "SHOW WARNINGS")) { $row = mysqli_fetch_row($result); printf("%s (%d): %s ", $row[0], $row[1], $row[2]); mysqli_free_result($result); } } /* close connection */ mysqli_close($link); ?> The above examples will output: Warning (1264): Data truncated for column 'Name' at row 1 SEE ALSO
mysqli_errno(3), mysqli_error(3), mysqli_sqlstate(3). PHP Documentation Group MYSQLI_WARNING_COUNT(3)
