common php

design mode A book introduces design patterns to the software community, which is written by Erich Gamma, Richard Helm, Ralph Johnson, and John vlissides design (commonly known as "Gang of Four"). The core concepts behind the design patterns

design mode A book introduces design patterns to the software community, which is written by Erich Gamma, Richard Helm, Ralph Johnson, and John vlissides design (commonly known as "Gang of Four"). The core concepts behind the design patterns

This article summarizes and analyzes the use of common php functions in detail. As follows: The code is as follows: /// ================================================ ======================================// Y returns the last two digits of the

Common php Algorithms and time complexity. In ascending order of magnitude, common time complexities include: constant order O (1), logarithm order O (log2n), linear order O (n), linear logarithm order O (nlog2n ), the coordinalo (n2) and coordinalo

Common PHP array functions I. basic functions of array operations Key name and value of the array Array_values ($ arr); obtain the array value array_keys ($ arr); obtain the array key name array_flip ($ arr ); values in the array are exchanged

One common PHP code is the post request function of curl. it is mainly used for api development on various platforms to process request interfaces. if you have multiple platforms, data must be transmitted between them, this function is absolutely

Common php string handler functions: 1. character location lookup function: Strpos ($ str, $ seach, [int]); searches for the first position of search in $ str starting from int; Stripos ($ str, $ seach, [int]); returns the position where the string

Common PHP vulnerabilities: Injection Vulnerability injection brings controllable user variables into database operations and changes the original SQL intention. For example, in the logic of registering a user, when detecting whether the user name

Common PHP errors analysis: PHP common errors: 1. Syntax errorParse error: syntax error, unexpected T_VARIABLE in E: \ guestbook \ user. php on line 268Generally, it is less than a semicolon, which is possible in the previous or next line. Parse

Introduction to common php array functions-Part 1 For beginners of php, it may be difficult to know what to learn about a large number of functions. I have listed some of the things that may be used in practice for your reference. 1)

001. 003.[UCenter Home] (C) 2007-2008 Comsenz Inc.004.$ Id: common. php 13217 ymaozi005 .*/006. 007. @ define ('in _ UCHOME ', TRUE );// Define IN_UCHOME008. define ('d _ BUG ', '0 ');// Define the error level009. 010. D_BUG? Error_reporting (7):

Common PHP Functions 1/** 2 * timeline function, Unix timestamp 3 * @ param int $ time 4 */5 function TranTime ($ time) {6 // $ time = strtotime ($ time); 7 $ nowTime = time (); 8 $ message = ''; 9 // 10 if (idate ('y', $ nowTime) a year ago )! =

Common PHP Redis operations, phpredis connect ('2017. 0.0.1 ', 6379);/** string */$ redis-> set ('name', 'huangyuxin'); echo $ redis-> get ('name '); $ redis-> setex ('name', 10, 'setex '); // set the lifecycle $ redis-> del ('name '); // delete/**

Introduction: This is a detailed page of common PHP time functions. It introduces the related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 324390

Common php ide phpstorm Shortcut Keys: idephpstorm I. mac phpstorm shortcut Command + a select allCommand + c ReplicationCommand + v PasteCommand + z undoCommand + k Code SearchCommand + l enter the row number to jump to a lineCommand + o view the

UCHOME code is still very good. Learn it! Copy codeThe Code is as follows: /** * Define Constants */ @ Define ('in _ UCHOME ', TRUE); // It is said that it can prevent illegal file inclusion Define ('x _ VER ', '1. 2'); // Uchome version Define ('x _

Analyze and introduce common PHP database solutions. We will encounter many problems when using PHP to connect to the database. This article exposes common database problems in PHP applications, including database pattern design and database access.

Common PHP string truncation functions, which can be intercepted separately by GBK, UTF8, or both. 1. functions used to intercept GB2312 characters // Truncate a Chinese stringFunction mysubstr ($ str, $ start, $ len ){$ Tmpstr = ""

Common PHP database solutions. We encounter many problems when using PHP to connect to the database, this article exposes common database problems in PHP applications, including database pattern design and database access. we encounter many problems

Common PHP function indexes are recommended.★Abs: obtains the absolute value. Syntax: mixedabs (mixednumber );★Acos function: Get the arc cosine syntax: floatacos (floatarg );★Ada_afetch: Get number ★Abs Purpose: obtain the absolute value. Syntax: