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说明

array array_flip ( array trans )

array_flip() 返回一个反转后的 array，例如 trans 中的键名变成了值，而 trans 中的值成了键名。 阅读全文 >>

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1，年-月-日
echo date(’Y-m-j’);
2007-02-6

echo date(’y-n-j’);
07-2-6 阅读全文 >>

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mysql_select_db(”hills_database_test”,$dbcon);
$alterpkadd=”alter table hills_testcreatetable add id int(32) not null auto_increment primary key;”;
mysql_query($alterpkadd,$dbcon);
mysql_close($dbcon);

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//增加字段
mysql_select_db(”hills_database_test”,$dbcon);
$altersql=”alter table hills_testcreatetable add fourth varchar(255);”;
mysql_query($altersql,$dbcon);
mysql_close($dbcon);

//修改字段
mysql_select_db(”hills_database_test”,$dbcon);
$alteredit=”alter table hills_testcreatetable change fourth edit_fourth varchar(128);”;
mysql_query($alteredit,$dbcon);
mysql_close($dbcon);

//删除字段
mysql_select_db(”hills_database_test”,$dbcon);
$alterdelete=”alter table hills_testcreatetable drop edit_fourth;”;
mysql_query($alterdelete,$dbcon);
mysql_close($dbcon);

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if (mysql_query(”drop database hills_database_test”))
{
echo “delete databased”;
}
else
{
echo “error delete database:”.mysql_error();
}

其中hills_database_test为数据库,if语句为报错详细设置.

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<?php

mysql_select_db(”hills_database_test”,$dbcon);
$sql=”create table hills_testcreatetable(first varchar(15),second varchar(15),third int)”;
mysql_query($sql,$dbcon);
mysql_close($dbcon);

?>

其中hills_database_test是数据库名,$dbcon是mysql连接变量.

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if (mysql_query(”create database hills_database_test default character set ‘utf8′;”,$dbcon))
{
echo “database created”;
}
else
{
echo “error creating database:”.mysql_error();
}

其中的default character set ‘utf8′为设置数据库默认字符集.

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学习了几天PHP,感觉很快乐,分享两个九九表:

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