PHP

fh = fopen (' Qqwry.dat ',  ' RB ');  //qqwry.dat file $this->first =  $this GetLong4 (); $this->last =  $this->getlong4 (); $this->total =  ($this->last -   $this->first)  / 7; //per index 7 bytes}//Check IP legitimacy function checkip ($IP)  {$arr

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first, to determine whether PHP is TS or NTS version by Phpinfo (); View the thread Safety item in it, this project is to see if it is thread safe, if yes: enabled, it should generally be TS version, otherwise it is NTS version. second,

Array range (mixed $low, mixed $high [, number $step])To create a contiguous arrayRange (' A ', ' Z '); foreach (range as$number) {echo$number;} // Array (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ten, one, one)BOOL Shuffle (array & $array)Random Sorting of

Sometimes simply to test the effect of a PHP function, always need to build a php file, copy the path of the file, and then through the Web Access or PHP command to execute the PHP file.How do you always want to execute a PHP snippet without

The recent use of the document online preview function, did not touch before, everything from scratch, the whole period of time finally realized, now the method to share to everyone!First, the main ideasConvert documents in other formats (Office

Description of ThinkPHP functions: M method and R method; Description of thinkphp Functions First, we will introduce ThinkPHP function details: M METHOD The M method is used to instantiate a basic model class. The difference between the M method and

Use php-timeit to estimate the execution time of php functions. I will share the timeit function I wrote with you. The specific content is as follows: /** * Compute the delay to execute a function a number of time * @param $count Number of time that

Simple use of php destructor With the widespread development of object-oriented programming, object-oriented programming presents many interesting problems. I believe many beginners will come into contact with two functions, constructor and

Algorithm highlights of interview questions and question Algorithms Idea 1: deduplicate A to A1 and B to obtain B1, and then sort A1 and B1 respectively, check whether each character of a shorter string exists in a longer string. If so, the output

An interesting question about php destructor: php Functions With the widespread development of object-oriented programming, object-oriented programming presents many interesting problems. I believe many beginners will come into contact with two

Yii2.0 Chinese development wizard-custom log file write log, yii2.0 Log File Introduce the log class to the headerUse yii \ log \ FileTarget; $ Time = microtime (true );$ Log = new FileTarget ();$ Log-> logFile = Yii: $ app-> getRuntimePath ().

PHP merge discuz user script method, php merge discuz script This example describes how to merge discuz user scripts in PHP. Share it with you for your reference. The details are as follows: A few days ago, I met a project that needs to merge two

How to Use the supervisor to guard the main php-fpm process for Automatic Restart of php-fpm Recently, a colleague has a monitoring requirement for the php-fpm process, that is, if the master process of the php-fpm unexpectedly exits (may be crash

0.1 billion pieces of data are split into 100 Mysql Databases and Mysql Databases in PHP. When the amount of data increases, you will choose database/table hash to optimize the data read/write speed. I made a simple attempt to divide 0.1 billion

PHP implements conversion class instances for XML and data formats. xml instances This example describes how to convert XML and data formats in PHP. Share it with you for your reference. The details are as follows: $val) { if ($priority ==

PHP generates a summary of random passwords, and php generates a summary. When using PHP to develop applications, especially website programs, you often need to generate random passwords. For example, if you register a user to generate a random

Familiar with common database operations-front-end easyui-datagrid, form (php), easyuidatagrid Familiar with common database operations-front-end easyui-datagrid, form (php), the implementation code is relatively simple, the specific implementation

54 Methods to Improve PHP program running efficiency, 54php program running efficiency 1. When file_get_contents can be used to replace file, fopen, feof, fgets, and other methods, try to use file_get_contents, because its efficiency is much higher!

PHP + jQuery + Ajax: Introduction to multiimage upload, Introduction to multiimage upload using PHP + jQuery + Ajax: This article uses an Ajax form submission plug-in: jqery. form. js. Someone has modified several lines of code and renamed it jquery.