how PHP imports. sql files

Last Update:2017-01-13 Source: Internet

Author: User

Tags mysql query pconnect

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Let's look at how PHP imports the. sql file code

<?php
if (!defined (' WEBROOT ')) {
Die (' Access denied! ');
}
Class Dbsql {
var $dblink = NULL;
var $queryCount = 0;

function Dbconnect ($dbserver, $dbuser, $dbpwd, $dbname = ', $pconnect = 0, $charset = ' utf8 ') {
if ($pconnect) {
if (! $this->dblink = @mysql_pconnect ($dbserver, $dbuser, $dbpwd)) {
$this->msghalt (' Can not connect to MySQL server ');
}
} else {
if (! $this->dblink = @mysql_connect ($dbserver, $dbuser, $dbpwd)) {
$this->msghalt (' Can not connect to MySQL server ');
}
}

/* IF ($this->version () > ' 4.1 ') {
Global $charset, $dbcharset;
if (! $dbcharset && In_array (Strtolower ($charset), Array (' GBK ', ' Big5 ', ' utf-8 ')) {
$dbcharset = Str_replace ('-', ', ', $charset);
}

if ($dbcharset) {
@mysql_query ("SET character_set_connection= $dbcharset, character_set_results= $dbcharset, character_set_client= Binary ", $this->dblink);
}

if ($this->version () > ' 5.0.1 ') {
@mysql_query ("SET sql_mode=" ", $this->dblink);
}
} */

@mysql_query (' Set names ' UTF8 ');

if ($dbname) {
if (!mysql_select_db ($dbname, $this->dblink)) {
$this->msghalt (' Can not connect to MySQL server ');
}
}
}

function select_db ($dbname) {
Return @mysql_select_db ($dbname, $this->dblink);
}

function query ($sql = ' ") {
if ($sql) {
if (!) ( $query = mysql_query ($sql, $this->dblink))) {
$this->msghalt ("MYSQL Query error!n $sql");
} else {
$this->querycount++;
return $query;
}
} else {
return false;
}
}

function unb_query ($sql = ' ") {
if ($sql) {
if (!) ( $query = Mysql_unbuffered_query ($sql, $this->dblink))) {
$this->msghalt (' MYSQL Query error! '. $sql. ') ');
} else {
$this->querycount++;
return $query;
}
} else {
return false;
}
}

function Fetch_array ($query, $result _type = Mysql_assoc) {
Return mysql_fetch_array ($query, $result _type);
}

function Fetch_one ($sql) {
return $this->fetch_array ($this->query ($sql));
}

function Affected_rows () {
Return Mysql_affected_rows ($this->dblink);
}

function Num_rows ($query, $q = 1)
{
if ($q = = 1) {
Return mysql_num_rows ($query);
} else {
Return mysql_num_rows ($this->query ($query));
}
return $query;
}

function result ($query, $row) {
$query = @mysql_result ($query, $row);
return $query;
}

function Num_row ($query) {//temporarily useless
Return mysql_num_rows ($query);
}

function Free_result ($query) {
Return Mysql_free_result ($query);
}

function insert_id () {
return ($id = mysql_insert_id ($this->dblink)) >= 0? $id: $this->result ($this->query ("Select last_insert_id ()"));
}

function Num_fields ($query) {
Return Mysql_num_fields ($query);
}

Function version () {
Return Mysql_get_server_info ($this->dblink);
}

function Close () {
Return Mysql_close ($this->dblink);
}

function Insert_data ($tname, $data) {
$values = ';
$filed = Implode (', ', Array_keys ($data));
$filednum = count ($data)-1;
Echo $filednum;
$i = 0;

foreach ($data as $key => $val) {
$values. = "'" $val. "'";
if ($i < $filednum) {
$i + +;
$values. = ', ';
}
}
$sql = "INSERT into". $tname. " (". $filed.") VALUES (". $values.");
return $this->unb_query ($sql);
}

function Update_data ($tname, $fid, $data, $whereid = ' id ') {
$col = Array ();
foreach ($data as $key => $values)
{
$col [] = $key. " = ' ". $values." ' ";

}
$sql = "UPDATE". $tname. " SET ". Implode (', ', $col)." WHERE $whereid = ' $fid ';
return $this->unb_query ($sql);
}

Function error () {
Return ($this->dblink) mysql_error ($this->dblink): Mysql_error ());
}

function errno () {
Return Intval ($this->dblink) Mysql_errno ($this->dblink): Mysql_errno ());
}

function Msghalt ($msg = ' ") {
$message = "$message. = "<meta content=" text/html; Charset=utf-8 "http-equiv=" Content-type ">n";
$message. = "<style type=" Text/css ">n";
$message. = "Body,p,pre {n";
$message. = "font:12px verdana;n";
$message. = "}n";
$message. = "</style>n";
$message. = "$message. = "<body bgcolor=" #FFFFFF "text=" #000000 "link=" #006699 "vlink=" #5493B4 ">n";

$message. = "datebase error:<pre>". Htmlspecialchars ($msg). </pre>n ";
$message. = "mysql error number:". $this->errno (). " N ";
$message. = "mysql error description:". Htmlspecialchars ($this->error ()). " N ";
$message. = "DATE:". Date ("y-m-d @ h:i"). " N ";
$message. = "script: http://". $_server[' http_host '].$_server[' php_self ']. $_server[' query_string ']. " N ";

$message. = "</body>nEcho $message;
Exit
}
}

/**********************
$SB = new Dbsql ();
$SB->dbconnect (' localhost ', ' root ', ', ', ' fdwp ');
Echo ' FDFD ';
****************************/
?>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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