function of php

Data encryption has become more and more important in our lives, especially considering the large amount of data that has been traded and transmitted over the Internet. If you are interested in using security measures, you will be interested in

Serialize () and unserialize () are described in the php manual as follows: Serialize-Generates a storable representation of a value to generate a representation of a stored value. Unserialize-Creates a PHP value from a stored representation,

The PHP function strip_tags provides the ability to remove HTML and PHP tags from strings. This function attempts to return the given string str to remove null characters, HTML and PHP markup results. Because strip_tags () cannot actually verify

Problem description: Requirement: if you do not want to expose local information, you can use the relative path for the opendir () function. My homework: I searched for a method to map local resources to a network driver using the netuse command of

{Code...} test {code ...} /** * @param string $hisStart * @param string $hisEnd * @param int $range * @param string $format * * @return array */function createHisRange($hisStart = '00:00:00', $hisEnd = '23:59:59', $range = 3600, $format = 'H:00:00

When you write php code, the @ symbol is always added. Do you know what it means? The following small series will share with you the role of the @ symbol. For more information, see When you write php code, the @ symbol is always added. Do you know

During the development process, when you encounter the data processing to take the whole time, you will use which, small Tao to introduce: PHP take the whole function has ceil,floor,round,intval, the following detailed introduction:1, ceil-into a

The PHP function strip_tags provides the ability to remove HTML and PHP tags from strings. this function attempts to return the given string str to remove null characters, HTML and PHP markup results. The PHP function strip_tags provides the ability

This time to bring you the PHP recursive function how to use, the use of PHP recursive function of the considerations are what, the following is the actual case, together to see. For the use of PHP recursive functions, share several examples of PHP

This article mainly introduces the function for PHP to obtain the current complete URL address. if you need a PHP function, refer to the function here to share with you a very practical PHP function. the code is very simple, we don't need to talk

This article mainly introduces the usage of php sprintf functions. For more information, see Control floating point print formatThe printing and format control of floating point numbers is a common function of sprintf. floating point numbers are

I believe you often see a comparison of some PHP applications, said to replace strlen () with Isset (), isset than strlen execution speed and so on. Example: if (Isset ($user)) { Do some thing } The reason is that isset is a language structure,

When you write php code, the @ symbol is always added. do you know what it means? The following small series will share with you the role of the @ symbol. if you need it, you can refer to the @ symbol before some code lines when you are working on a

After the output: the grouping and mon_grouping Health names indicate the meanings of the five types of values and the Health Names marked as & #039; not understood & #039. Please explain it in detail. thank you! I can't understand the

This paper describes the implementation of the PHP background table paging function. Share to everyone for your reference, as follows: user.php: "; @ $start = $_request[' start ']; if ($start = = = NULL | | $start = = = "") {die ("start

description of method callback for PHP class static functions and objects Some of the previous chapters are declared and applied by global functions (which do not have functions defined in any object or class), but are different if static methods

PHP Variable number parameter function introduction The default parameter is appropriate for cases where the number of arguments is less than the formal parameter, and the variable argument list is suitable for cases where the number of arguments

Introduction to functions referencing parameters In PHP, the default is to pass parameters by value, and the parameters of the function are local variables, so even if you change the value of the parameter inside the function, it does not change

The EXEC function in PHP executes the bat script, why can sometimes, sometimes fail?? BAT Script @echo off ^ Ffmpeg-f concat-i c:^amp^apache2.4^htdocs^test^upload^2016-10-12^wu_1aurf2i6412121lrl4id1rqr1vgj0^filelist.txt-c Copy

Then in our work, whether it is the mall, enterprise station and so on some mainstream web site, the company often appear a lot of time-limited activities, preferential activities, of course, the most important will be a number of lottery activities,