PHP

Method One: ?     PHP $str = uniqid (Mt_rand (), 1); Echo ' SHA1: ', SHA1 ($STR); Echo ' '; Echo ' MD5: ', MD5 ($STR); Using Uniqid function, with Mt_rand random function, finally using hash is worth the final unique value. But in the test, the

Example $data = "Array" (' Key1 ' => ' value1 ', ' key2 ' => ' value2 ', ' Key3 ' => ' value3 ', ' key4 ' => ' value4 ') ";$arr = eval ("Return $data;");Var_dump ($arr);//array /*Array' Key1 ' => string ' value1 ' (length=6)' Key2 ' => string '

Using PHP in three simple ways to achieve the mobile phone number of the middle four (n-bit) with an asterisk display: $mobile = ' 13912345678 ';1. String interception method$newMobile 1 = substr ($mobile, 0, 5). ' '. substr ($mobile, 9);echo

Value Assignment: The value of the argument is assigned to the row parameter, and the modification of the row parameter does not affect the value of the argument.For example: root copy is the same. For example, I have one? H House, I give you

The ternary operator's functionality is consistent with the "if....else" process statement, which is written in a single line, with a streamlined code and high execution efficiency. Using the ternary operator appropriately in a PHP program can make

Here is a detailed description The Theta class file is named after the. class.php, which is called with the Hump method, and the first letter is capitalized, for example Pay.class.php;The Theta class name and directory _ file name are consistent.

Empty (), Is_null (), isset () Truth-table (difference) Let's take a look at the functional descriptions of these 3 functions www.111cn.net Isset determines whether a variable already exists, returns TRUE if the variable exists, or returns FALSE.

Normally we can see the ISBN code has 10-bit and 13-bit two, of which 10 of the ISBN since January 2007 has ceased to use, the current new published book ISBN Code are 13. Considering a rigorous book management procedures to take into account a wide

Method One The code is as follows Copy Code function Generate_password ($length = 8) {    //password character set, you can add any character you need     $chars = ' Abcdefghij

The session header message has been sent for the same reason as a cookie.In PHP Tutorial 5, the registry configuration options for all PHP sessions are programmable, and in general, we do not have to modify their configuration. To learn about PHP's

In this section, we will kill two birds a stone. Not only will we learn how to target object-oriented PHP and MySQL, but we will learn how to group objects. In this case, you will build a first-class usersgroup which will contain a series of user

After successfully compiling the installation Nginx 1.4, PHP 5.4 on centos6.4 x86_64, after successfully starting Nginx and PHP-FPM, access the PHP prompt error and see in the error log: Primary Script Unknown ... Where the Nginx configuration

Installing PHP Extensions # wget Http://pecl.php.net/get/gearman-1.1.1.tgz# tar ZXVF gearman-1.1.1.tgz# CD

file System-based page Counter example ? Php $countfile = "Num.txt";Defines that the file written by the counter is count.txt under the current directory, and then we should test whether the file can be openedif ($fp = fopen ($countfile, "r+"))

Method One Code to pass a variablein PHP, we canusing Variables in JavaScript The code is as follows Copy Code $code = ' '; Build out and then showEcho $code; Using variables is simple The code

First look at a function in phpcms The code is as follows:Copy code Phpcms/libs/classes/param. class. php/*** Set Cookie* @ Param string $ var* @ Param string $ value* @ Param int $ time* @ Param string $ path*/Public static function set_cookie (

A few days ago, I helped my friend solve the MSSQL database connection problem after the website was migrated. Then I set up its code locally to test the environment and found an ASP problem and solved it, it also helped my friend solve the problem.

PHP, last monthStrtotime has a small problem The code is as follows:Copy code > Php-r "echo date ('ymd000000 & prime;, strtotime ('-1 month', strtotime ('2017 & prime ;)));"20130701000000 #> Php-r "echo date ('ymd000000 & prime;, strtotime ('-1

In the php Tutorial of configuring isapi in iis6 of windows server 2003, the configuration method is to add a new web service extension in iis's "web service extension, the program suffix is php, and the isapi program is php5isapi. dll, and then add