Pdo\Mysql::getWarningCount
PHP function
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(PHP 8 >= 8.4.0)
Returns the number of warnings from the last executed query
Description
Pdo\Mysql::getWarningCount(): int
Returns the number of warnings from the last executed query.
Note
For retrieving warning messages the following SQL command can be used: SHOW WARNINGS [limit row_count].
Parameters Parameters
Return Values
Returns an int representing the number of warnings generated by the last query.
Examples
Pdo\Mysql::getWarningCount example
php
<?php
$conn = PDO::connect("mysql:host=localhost;dbname=test;charset=utf8mb4", 'user', 'password');
$conn->query('SELECT 42/0');
if ($conn->getWarningCount() > 0) {
$result = $conn->query("SHOW WARNINGS");
$row = $result->fetch();
printf("%s (%d): %s\n", $row[0], $row[1], $row[2]);
}
?>The above example will output:
output
Warning (1365): Division by 0