PHP mysql_warning_count示例

示例#1

文件： mysql_warning_count.php 项目： badlamer/hhvm

<?php

require_once 'connect.inc';
$conn = mysql_connect($host, $user, $passwd);
// No warnings from normal operation
var_dump(create_test_table('warning'));
var_dump(mysql_warning_count($conn));
var_dump(mysql_query("INSERT INTO test_warning (name) VALUES ('test'),('test2')"));
var_dump(mysql_warning_count($conn));
// Dropping a non-existent table with IF EXISTS generates a warning.
var_dump(mysql_query("DROP TABLE IF EXISTS no_such_table"));
var_dump(mysql_warning_count($conn));
// Dropping an existing table generates no warnings.
var_dump(mysql_query("DROP TABLE IF EXISTS test_warning"));
var_dump(mysql_warning_count($conn));

示例#2

文件： connection_failure.php 项目： badlamer/hhvm

<?php

// This should fail. Even if it succeeds, the subsequent calls should not crash
// which is what this test is trying to verify.
@mysql_pconnect('localhost', 'notreal', 'notreal');
mysql_set_charset('latin1');
mysql_error();
mysql_errno();
mysql_warning_count();
echo "Done\n";