PHP Tutorials

Json_decode result is null after PHP Mcrypt_encrypt $key = ' 1234567890123456 '; $iv = ' 1234567890123456 '; $os = Array ( ' OS ' = Php_uname (' s '), ' Time ' = Time (), ); $os = Json_encode ($os); $crypttext =

Questions about concurrency in PHP programs For example, there are two user a users and B User A first access a.php B and then access a.php, the two access time is short and short So at this time is not User B in the waiting state, and so on user A

Questions about sending JSON data using the POST method. This post was last edited by jxflll on 2015-04-07 16:36:47 Stream_context_create uses this function post method to send an example of a JSON object. Some trouble sending the code up. Thank you,

A small algorithm problem For example: when we recharge the phone, charge more than 10 yuan to send 1 yuan, charge more than 50 yuan to send 5 yuan. So at this time, I recharge is 51 yuan, how I hit the 50 yuan to send 5 yuan, and at this time no

The problem that the foreach output encounters, asks everybody teacher to solve $citycode = Array ("Beijing" = "101010100", "Haidian" = "101010200", "Chaoyang" = "101010300"); foreach ($citycode as $arr) { echo $arr. ' \\n '; } SaveFile ('

Header function and Php_auth_user do user authentication (reprint) PHP Header php_auth_user PHP_AUTH_PW user authentication In PHP, you can use the header function to do some interesting things, and user authentication is one of the most

A little experience of PHP development API This article is a personal experience after self-developed some app interface, and read some of the information. First, the function module design Extracting the appropriate functionality from the

PHP Optimization Chowder The article about PHP optimization is often to teach you how to write efficient code, this article intends to discuss the problem from another perspective, teach you how to configure an efficient environment, so the same

Installation of the PHP development environment Recently in the attempt to develop the public, after using Apache+mysql to build a simple background, chose to use PHP for development. So, faced with a local build a PHP development environment

An analysis of the header output problem of PHP headers function The header (' location:http://www.baidu.com '); * * But running the above discovery successful jump name is because this HTTP header does not conform to the HTTP specification, it

The principle of stealing red envelopes Want to use PHP to achieve the function of red envelopes, who send the more red envelopes, Rob more, do not know if what algorithm appropriate ------to solve the idea---------------------- I think of a way of

PHP Error hints Project error, but run the page blank, do not know where the wrong. in php.ini error_reporting = E_all Modified Run discovery or no error prompt after reboot ------to solve the idea---------------------- Display_errors = On So you

JSON data parsing problem in PHP $arr 1=array ( ' 4 ' =>array (' g ' = ' test ', ' b ' = ' ssss '), ' 2 ' =>array (' g ' = ' Adaf ', ' b ' = ' sfdsf '), ' 8 ' =>array (' g ' = ' afasf ', ' b ' = ' grge '), ); $arr 2=array ( ' 4 ' =>array (' g ' = '

Personal blog site When debugging "personal blog site", the PHP code has some problems, look at the Master guide Ah ------to solve the idea---------------------- The first is because you passed in a string, prompting you to pass in an array; the

Ask a server environment configuration problem All know that PHP with lamp is the best match, but Windows used to use, no use of Linux, Now know that you can also use Wamp (windows+apache+mysql+php) and Wimp (windows+iis+mysql+php) to configure the

The parameter is true, but there is still a warning mysql_fetch_row () expects parameter 1 to be resource? function Checkcanceluserstop ($phoneNum){$con = mysql_connect ("localhost", "root", "");if (! $con){echo "";echo "";Return}$result =

About PHP Writing database garbled problem After inserting data into the database in the PHP page, garbled characters are displayed in the database. Database Character Set: Page Character Set: Execute mysql_query ("Set names ' UTF8 '")

Implement echo to perform edge output $result = mysql_query ("select * from ' AA '"); while ($row = Mysql_fetch_array ($result)) { $DJ = $row ["DJ"]; Echo $DJ; } $result = mysql_query ("select * from ' BB '"); while ($row = Mysql_fetch_array

Thinkphp index.php method in Wamp configuration remove URL Commissioning for a long time, only to find the simple things complicated. In fact, the principle is very simple. 1. In the configuration file ' Url_model ' =>2, Set to 2. 2. In

How do php multiple variables form a variable? $xx [' D1 '][2]= ' Hello! '; $a = ' xx '; $b = ' 1 '; I tried the following wording, not right. echo ${$a. ' ["d '. $b. '][1] '}; How do you make a variable as output? ------to solve the idea--