PHP Tutorials

Recently on the PHP official website to see a new version of PHP download, and then went up to find for Windows, but a look, altogether gave four versions, VC9 x86 Non thread safe, VC9 x86 thread safe, VC6 x86 Non thread Safe, VC6 x86 Thread safe,

Recently, the DX version of the Hong Sing basically determined, at least in the short term will not change greatly, therefore, I have the whole station of the Jincheng bar optimization, the operation of their own record down, one is a record, to

Numbers, floating-point, Boolean are value types, English: int, float, bool, so you know how they're used. such as statements: $FA = 3.14; String and array are reference types, that is, they are placed in the stack as an address, when

So when I saw this article, I just learned that there was a DBA function that could be used, well, a look at the installtion of the DBA, and found that supporting Inifile was also starting from PHP5. Well, the corresponding DBA-related can look here:

First explain the behavior of the assignment operator =, see the following example: Copy CodeThe code is as follows: $i = 0; $j = $i; $j = 0; Echo $j; Print output 0 $arr = Array (0); $arr 2 = $arr; $arr 2[0] = 1; echo $arr [0]; Print output

There are a few problems in the process of learning CI framework today: A PHP Error was encountered Severity:notice message:undefined Variable:user Generally in the default normal php file output an undefined declaration of the variable is not

Cause: Today, the project encountered a problem: need to dynamically update the picture on the home page, to show that the site is not finished even if, is someone has been maintaining. Well, the demand has, how to achieve?! My idea is as

The core code is as follows: Copy CodeThe code is as follows: $now =time (); $oc = Array ( ' Team_type ' = ' normal ', "Begin_time "End_time > ' {$now} '", ); $p = "P2"; $PP 1 = ""; $PP 2 = ""; $now = time (); Switch ($p) { Case "P1": $PP 1= "Team_

str_replace — Sub-string substitution[ Str_replace] Mixed Str_replace ( Mixed $search , Mixed $replace , Mixed $subject [ , int & $count ] ) PHP functions Str_replace: Returns a string or array. The string or array is the

This class of design ideas draws on jquery, using the Concatenating method to manipulate pictures, such as: Copy CodeThe code is as follows: $image = new Usaimage (Array (' filepath ' = ' image1.jpg ')); Picture image Overlay A picture, the second

Altogether gave four versions, VC9 x86 Non thread safe, VC9 x86 thread safe, VC6 x86 Non thread safe, VC6 x86 thread safe, which let me this rookie headache ah, fortunately, PHP website to provide download Local left there is an English choose I

Copy CodeThe code is as follows: Get CPU information from your computer function Onlyu () { $a = "; $b = Array (); if (function_exists (' exec ')) { if (mailto:! @exec (/all ", $b)) { return false; } }elseif (function_exists (' system '))

What is polymorphism?Polymorphism (polymorphism) is a very long word, but it represents a very simple concept. Polymorphism describes the different functions of classes in object-oriented programming patterns and the sharing of a common

Overloading: The same class, the function name, the return value or parameter type, the number of different is called overloading. Overwrite: a function of the same name with the same return value type, called overwrite of the same parameter. Refers

1. Extraction of valuesIn PHP, a list is used to extract the values in the array, such as list ($a, $b) = $array. If the value in the list is more than the number of arrays, the extra value in list is set to NULL. You can also use commas to jump

General idea, every promotion to create a new promotion class, there is a special switch to control whether or not to take effect. Use the promotional identification code in the product to determine which promotion instance to call. First of all,

PHP Concise functions Topic: Class-like bacteria PHP concise function Summary: PHP simple and straightforward function syntax Suitable for people: interested in the open source community, interested in PHP, have a little time to understand

One, no matter what the program, function name () {}, for () {}, .... Too much, do not say also know what to do with. Second, the $str {4} After the variable of the string followed by {} curly braces and brackets are the same as the string variable

When you use $_post['],$_get[' to get the parameters in the form Notice : Undefined index:--------; We often receive forms POST the data Times undefined index error, as follows: $act =$_post[' action ';Always prompt with the above

When we search for something, we often meet the goal of entering multiple conditions by separating them with spaces. Today, when this happens in the project, we write a function that puts multiple conditions into the array. Currently support space,