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MySQL PHP API  /  ...  /  BaseResult::getWarningsCount

5.5.2 BaseResult::getWarningsCount

Copyright 1997-2019 the PHP Documentation Group.

  • BaseResult::getWarningsCount

    Fetch warning count from last operation

Description

abstract public integer mysql_xdevapi\BaseResult::getWarningsCount();

Returns the number of warnings raised by the last operation. Specifically, these warnings are raised by the MySQL server.

Parameters

This function has no parameters.

Return Values

The number of warnings from the last operation.

Examples

Example 5.9 mysql_xdevapi\RowResult::getWarningsCount example

<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");

$session->sql("DROP DATABASE IF EXISTS foo")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();

$schema = $session->getSchema("foo");
$table  = $schema->getTable("test_table");

$table->insert(['x'])->values([1])->values([2])->execute();

$res = $table->select(['x/0 as bad_x'])->execute();

echo $res->getWarningsCount();
?>

The above example will output something similar to:


2