PHP 运行SQL脚本 代码

偷瓜的贼

<?php
function populate_db( $DBname, $DBPrefix, $sqlfile ) {
global $errors;
@mysql_select_db($DBname);
$mqr = @get_magic_quotes_runtime();
@set_magic_quotes_runtime(0);
$query = fread(fopen($sqlfile, "r"), filesize($sqlfile));
@set_magic_quotes_runtime($mqr);
$pieces  = split_sql($query);
for ($i=0; $i<count($pieces); $i++) {
$pieces[$i] = trim($pieces[$i]);
if(!empty($pieces[$i]) && $pieces[$i] != "#") {
$pieces[$i] = str_replace( "#__", $DBPrefix, $pieces[$i]);
if (!$result = @mysql_query ($pieces[$i])) {
$errors[] = array ( mysql_error(), $pieces[$i] );
}
}
}
}
function split_sql($sql) {
$sql = trim($sql);
$sql = ereg_replace("\n#[^\n]*\n", "\n", $sql);
$buffer = array();
$ret = array();
$in_string = false;
for($i=0; $i<strlen($sql)-1; $i++) {
if($sql[$i] == ";" && !$in_string) {
$ret[] = substr($sql, 0, $i);
$sql = substr($sql, $i + 1);
$i = 0;
}
if($in_string && ($sql[$i] == $in_string) && $buffer[1] != "\\") {
$in_string = false;
}
elseif(!$in_string && ($sql[$i] == '"' || $sql[$i] == "'") && (!isset($buffer[0]) || $buffer[0] != "\\")) {
$in_string = $sql[$i];
}
if(isset($buffer[1])) {
$buffer[0] = $buffer[1];
}
$buffer[1] = $sql[$i];
}
if(!empty($sql)) {
$ret[] = $sql;
}
return($ret);
}
$lnk = mysql_connect('localhost','root','123456')
or die ('连接失败'.mysql_error());
if (mysql_select_db('yulin',$lnk))
{echo "chose yulin168";}
else
{echo "fail".mysql_error();}
populate_db( 'yulin','','yulin.sql' );
?>