PHP

In general, when we use CURL to submit POST data, we are accustomed to writing this: Copy Code code as follows: curl_setopt ($ch, Curlopt_postfields, $post _data); But this kind of writing in some cases will not be very useful, may

Copy Code code as follows: Class ASCII { function decode ($STR) { Preg_match_all ("/(d{2,5})/", $str, $a); $a = $a [0]; foreach ($a as $dec) { if ($dec { $utf. = Chr ($DEC); } else if ($dec { $utf. = Chr (($dec-($dec% 64))/64);

The basic principle of OB: If the OB cache is turned on, the Echo data is first placed in the OB cache. If header information is placed directly in the program cache. When the page executes to the end, the OB-cached data is put into the program

In the PHP program needs to use the C code, should be the following two kinds of cases: 1 already have C code, in PHP program want to use directly2 due to PHP performance problems, need to use C to achieve some of the functions In the first case,

$_files: Variable submitted to script via HTTP POST file, similar to old array $http_post_files array (still valid but opposed to use) details can be found in the Post method upload The $_files array reads as follows: $_files[the original name of

Definitions and usage php function Microtime () returns the current Unix timestamp and microsecond number. php function Microtime () syntax Microtime (Get_as_float) php function microtime () parameter and description Get_as_float If the get_as_float

Building Excel is of course using the Phpexcel class library, but it's too cumbersome to be a little bit less worthwhile as long as it's a simple build. What is simple, the database data import into Excel on the line, this is simple Let's look

REMOTE_ADDR can only obtain IP settings that are set in the visitor's local connection, such as 10 of its own on a university campus network. X.xxx. XXX Series IP, and this function to get the IP address of the LAN gateway exit, if the visitor uses

Common magic Methods are: __tostring () __call () __autoload () __ Clone () __get () __set () __isset () __unset ()1.__tostring () When you define an output object reference, the information that is often used to print some objects must have a

Project requirementsVisit the Site page, some pages need authorization to access, this time will require users to login, jump to the login page login.php, how to achieve the login back to the page just visited.Solution Idea 1:Before jumping to the

There are many ways to verify mailbox addresses. In the browser side, JS mailbox authentication can be detected through regular expressions. Like what: Copy Code code as follows: function Isemail (email) { return/^ (([a-z]|\d|[! #\$%& '

PHP is a server-side scripting language used to develop dynamic Web applications. No good server-side debugging tool is one of the limitations compared to Java. We usually add echo, var_dump, and so on in the PHP code to display the variable, the

1.conn.php Copy Code code as follows: ? $host = "localhost"; Database server name $user = "root"; User name $pwd = "1721"; Password $conn =mysql_connect ($host, $user, $pwd); mysql_query ("SET character_set_connection=gb23

The following PHP code resolves the following issues: 1.json_encode UTF8 code in Chinese after the string is not readable The problem of Chinese garbled 2.json_encode in multi-series group The 3.json_encode array contains a newline error

Introduction to forged cross-station requests The forgery of cross station requests is more difficult to guard against, and the harm is great, in this way attackers can play pranks, send spam information, delete data, and so on. Common

How does PHP implement a site save shortcut? Here is a section of PHP code, the following code, you can save PHP Web site shortcuts, so that users at any time to browse. Copy Code code as follows: $Shortcut = "[Internetshortcut]

BASE62 Type Source code: Copy Code code as follows: Class Base62 { Private $string = "VPH7ZZWA2LYU4BGQ5TCVFIMXJI6XASOK9CNP0OWLJYTHQ8RENMU31BRDGEDKFS"; Public Function Base62_encode ($STR) { $out = '; For ($t =floor (log10

with PHP Ob_start (); Control your browser cache The output control function gives you a free rein in the outputs of the data in the script. It's very useful, especially for: when you want to output the file header after the data has been exported.

How to keep the session in PHP and some of the thoughts arising from it the recent project, which has a relatively large form, the user to complete it takes a lot of time, many users spent painstakingly completed, a submission found session expired,

This question is also only recently thought of, is to read the file faster or read the database faster, can quickly how much, the days are also searched, did not see a netizen to answer this question, it may be too simple sake, we have to test this