PHP Tutorials

1. Select the most applicable field properties MySQL is good at supporting large data volumes, but in general, the smaller the tables in the database, the faster queries are executed on it. Therefore, in order to achieve better performance when

How to achieve the goal: How do I avoid repeating submissions? In the session, an array is stored with the token that was successfully submitted. In the background processing, the first to determine whether the token is in this array, if present,

If you do not want the following to occur in the PHP page: Single quotes are escaped AS/' Double quotes are escaped AS/" You can then set the following to prevent: Method One: Set in php.ini: MAGIC_QUOTES_GPC = Off Method Two: $str

Copy CodeThe code is as follows: Defining Database Variables $DB _type = "MySQL"; $DB _host = "localhost"; $DB _user = "root"; $DB _pass = ""; $DB _database = "Ai-part"; Require_once (".. /adodb/adodb.inc.php "); $db = Newadoconnection ("$DB _type"

People often get some programming jobs, such as designing corporate websites, doing financial, statistical systems, etc. Perhaps because of the needs of friends, perhaps a pocket. Whatever the reason. And so on, to show each other, installation, it

$bookSQL =sprintf ("UPDATE book SET pass=%s WHERE id=%d", Getsqlvaluestring ($_post[' list '], "text"), Getsqlvaluestring ($_get[' id '], "int")); Getsqlvaluestring This function can be replaced by other functions But here's the function of

Base64+gzinflate compressed encoded (encrypted) files are usually compression encoding (encryption) code: Copy CodeThe code is as follows: function Encode_file_contents ($filename) { $type =strtolower (substr (STRRCHR ($filename, '. '), 1)); if

1, instantiation Dbbak need to tell it two things: where the data server ($connectid), back to which directory ($backupDir): Require_once (' dbbak.php '); Require_once (' tablebak.php '); $connectid = mysql_connect (' localhost ', ' root ', ' 123456

PHP5 has a single-re-inherited, restricted-access, object model that can be overloaded. The "Inheritance", which is discussed in detail later in this chapter, contains parent-child relationships between classes. In addition, PHP supports restrictive

Too simple, but the time is long, remember, waste me half an hour to find information, deep experience good memory than bad pen!! Today, the passport text block affixed to prevent later forget!! Remember, it takes time to find the information you

$DBH = @mysql_connect ("localhost:3306", "root", "9999"); /* Define the variable DBH, the mysql_connect () function means to connect to the MySQL database, "@" means to block the error */ if (! $dbh) {die ("error");} /* the die () function means

Hb.ttf to the TTF you downloaded yourself. Copy CodeThe code is as follows: Header ("Content-type:image/png"); $str = " The first is in the big and the main person for the people on the labor to move to the domestic with me to he will be a

PHP, adapted to the post-simple encryption of ciphertext Copy CodeThe code is as follows: Replacement encryption replacement from the previous version function Compress_func ($match) {return strlen ($match [0]). $match [0]{0};} function

Make the Forum Faster PHP acceleration Setup PHP acceleration: Zend Optimizer Optimized PHP program Zend Optimizer V2.5.7 for Windows Software language: English Operating Environment: WIN9X/NT/2000/XP Zend Optimizer V2.5.7 for Windows software

1. About PHP Redirection 1. About PHP Redirection Method One: Header ("Location:index.php"); Method Two: Echo " window.location =\ "$PHP _self\"; "; Method Three: Echo " "; 2. Get the visitor's browser function Browse_infor () { $browser =

$o = 0.1; for ($a = 1; $a $o + = 0.1; echo " Intval (' $o ') = ". Intval ($o); if (Intval ($o)) { Print ("true"); }else{ Print ("false"); } } ?> Results: Intval (' 0.2 ') = 0 false Intval (' 0.3 ') = 0 false Intval (' 0.4 ') = 0 false Intval (' 0.5

In my experience, I think the following document structure is the best: ---------------------------------------------------------------------- File extension:. php Email=ask4more@13.net & Nickname=redfox & realname= Ardin & url=http://netnote.oso.

/*---------------------- Functions for filtering HTML code -----------------------*/ function HtmlEncode ($string) { $string =trim ($string); $string =str_replace ("&", "&", $string); $string =str_replace ("'", "'", $string); $string =str_replace ("&

First step: Need to download Phpmailer package phpmailer-1.73.tar.gz from the Open source community: http://phpmailer.sourceforge.net/ Step two: Confirm that your server system already supports sockets such as, through Phpinfo (); see if support

The approximate program idea is to use the recursive rules to calculate the amount of space occupied by the directory, and then the value of the space to write into the text file, so long as the access to the TXT file will know how much space