Can php delete recorded pictures?

php can delete recorded pictures. The deletion method is: 1. Create a PHP file and connect to the database; 2. Delete through statements such as "Delete from test1 where id=".$rs['id'];" Just record the picture.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php can be deleted Record pictures?

php Implementation code for deleting records and deleting picture files at the same time:

 $cn = mysql_connect('127.0.0.1','root','root') or die('database connect fail'); 
mysql_select_db('test',$cn); 
mysql_query("set names 'gbk'"); 
/* 
创建数据库教程 
CREATE DATABASE `test` ; 
创建数据表 test1 
CREATE TABLE `test`.`test1` ( 
`id` INT( 4 ) NOT NULL AUTO_INCREMENT , 
`title` VARCHAR( 40 ) NULL DEFAULT '0', 
`litpic` VARCHAR( 100 ) NULL DEFAULT '0', 
PRIMARY KEY ( `id` ) 
) ENGINE = MYISAM 
*/ 
$sql = "Select * from test1 "; 
$query = mysql_query( $sql ) or die($sql); 
if( mysql_num_rows( $query ) ) 
{ 
while( $rs = mysql_fetch_array( $query ) ) 
{ 
$sql = "Delete from test1 where id=".$rs['id']; 
if( mysql_query( $sql ) ) 
{ 
if( defile( $rs['litpic'] )) 
{ 
echo '删除图片文件失败'; 
} 
else 
{ 
echo '记录删除成功，并且删除了记录与相对应的图片或文件'; 
} 
} 
else 
{ 
echo '记录不存删除数据与图片失败'; 
} 
} 
} 
else 
{ 
echo '没有记录'; 
} 
/* 
@pare return 
#$url string 
删除文件 
*/ 
function delfile($url) 
{ 
if( file_exists($url) && is_file( $url ) ) 
{ 
if( unlink( $url ) ) 
{ 
return true; 
} 
else 
{ 
return false; 
} 
} 
else 
{ 
return false; 
} 
}

Recommended learning: "PHP Video Tutorial"

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