Get warning count from last operation

# RowResult::getWarningsCount

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RowResult::getWarningsCount — Get warning count from last operation

### Descrierea

public mysql_xdevapi\RowResult::getWarningsCount ( void ) : integer

Retrieve the number of warnings from the last RowResult operation.

### Parametri

Această funcție nu are parametri.

### Valorile întoarse

The number of warnings generated by the last operation, or `FALSE` if the result set is empty or there are no warnings.

### Exemple

Example #1 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();
?>`

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