(PHP 4, PHP 5)
mysql_error — 锟斤拷锟斤拷锟斤拷一锟斤拷 MySQL 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥憋拷锟斤拷锟斤拷锟斤拷息
$link_identifier
] ) : string锟斤拷锟斤拷锟斤拷一锟斤拷 MySQL 锟斤拷锟斤拷锟侥达拷锟斤拷锟侥憋拷锟斤拷锟斤拷锟矫伙拷谐锟斤拷锟斤拷蚍祷锟� ''锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟矫伙拷锟街革拷锟斤拷锟斤拷锟斤拷锟皆达拷牛锟斤拷锟绞癸拷锟斤拷锟揭伙拷锟斤拷晒锟斤拷蚩锟斤拷锟斤拷哟锟� MySQL 锟斤拷锟斤拷锟斤拷锟斤拷取锟斤拷锟斤拷锟斤拷息锟斤拷
锟斤拷 MySQL 锟斤拷锟捷匡拷锟斤拷锟斤拷锟侥达拷锟斤拷锟劫凤拷锟斤拷锟斤拷锟芥，要锟斤拷 mysql_error() 锟斤拷锟斤拷取锟斤拷锟斤拷锟侥憋拷锟斤拷注锟解本锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟� MySQL 锟斤拷锟斤拷锟斤拷执锟叫ｏ拷锟斤拷锟斤拷锟斤拷 mysql_error() 锟斤拷 mysql_errno()锟斤拷锟侥达拷锟斤拷锟侥憋拷锟斤拷锟斤拷锟斤拷锟斤拷要使锟矫此猴拷锟斤拷锟斤拷确锟斤拷锟节碉拷锟斤拷锟斤拷一锟斤拷 MySQL 锟斤拷锟斤拷之前锟斤拷锟斤拷锟斤拷锟街碉拷锟�
Example #1 mysql_error 锟斤拷锟斤拷
<?php
mysql_connect("localhost", "mysql_user", "mysql_password");
mysql_select_db("nonexistentdb");
echo mysql_errno() . ": " . mysql_error(). "\n";
mysql_select_db("kossu");
mysql_query("SELECT * FROM nonexistenttable");
echo mysql_errno() . ": " . mysql_error() . "\n";
?>
锟斤拷锟斤拷锟斤拷锟接斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
1049: Unknown database 'nonexistentdb' 1146: Table 'kossu.nonexistenttable' doesn't exist
锟轿硷拷 mysql_errno()锟斤拷