Pdo\Mysql::getWarningCount

Returns the number of warnings from the last executed query

Description

public int Pdo\Mysql::getWarningCount()

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

This function has no parameters.

Return Values

Returns an int representing the number of warnings generated by the last query.

Examples

Example #1 Pdo\Mysql::getWarningCount example

<?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:

Warning (1365): Division by 0