PHP

[Summary] PHP common small functions [probability, millisecond, IP]/*** probability calculation * @ paramarray ('a' = & gt; 0.5, 'B' = & gt; 0.2) * @ returnstring (keyofarray, eg. 'A' or 'B') */functionra [summary] common PHP small functions

Php synchronization scheme php synchronization execution is quite troublesome. according to the mysql documentation, this can be done. ========================================================== ==================================== GET_LOCK (str,

(Conversion) Log4php usage and Configuration Guide (conversion) Log4php usage and Configuration Guide Http://www.qinbin.me/log4php-use-and-configuration-guide/ It has always been a temporary log component, but with the continuous improvement of

ThinkPHP + DWZ integrate the source code with RBAC! Download it as needed. I sorted out the ThinkPHP + DWZ integration with RBAC source code in the early morning! You need to download it there is no technical content on the http://www.chedushi.cn ...

Php5.3.8 configuration first downloads the php5.3.87zippackagecompressed package for windows from the official php website http://www.php.net/downloads.php. 1) and decompress the PHP compressed package to a directory, such as "E: \ PHP"; 2: \ P php5.

Php checks whether the URL is valid. 1 .? URL format :? FunctioncheckUrl ($ weburl) {return! Ereg ("^ http (s) *: // [_ a-zA-Z0-9-] + (. [_ a-zA-Z0-9-] +) * $", $ php checks whether the URL is valid 1 .? URL format: ? function checkUrl($weburl) {

Phpcurl batch processing-controllable concurrency asynchronous code in the php Manual: $ mrc = curl_multi_init (); // send a request ....... $ active = null; do {$ mrc = curl_multi_exec ($ mh, $ active); php curl batch processing-controllable

PHP inherits the constructor method, and the member variables are often vague about these concepts, which are summarized as follows :? 1. if the subclass does not have a constructor, the constructor of the parent class is called by default? 2. if

Php regular expression greedy mode and lazy mode when a regular expression contains a qualifier that can accept duplicates, the common behavior is (on the premise that the entire expression can be matched) match as many characters as possible.

How does php implement pseudo-static URLs? Static url. I usually use apache, nginx, htaccess, and so on. php is rarely used to achieve static url. it is troublesome to use php to achieve static url, so personally, php is not recommended for url

Summary of several character functions in php & nbsp; below is a summary of several character functions in PHP: 1) ucfirst & nbsp; change the initial letter to uppercase, such as & nbsp; $ string = "thisismywebdevelopmentblog"; echoucfirst (summary

Solutions for processing similar statistics in arrays (PHP) $ arrItem = array (Array (10000, 'China', 1), Array (10000, 'China', 3 ), array (20000, 'America, 2), Array (30000, 'France, 5); $ arr = array (); foreach ($ Solutions for processing

Php perfect non-redundant code traversal folder parameter 20 returned directory file 1 returned directory file + Directory 2 returned Directory all files + empty directory (for some 2 types of development, -_-B) 3. return to all files in the

Php explains why isset () is used () by default, the PHP error reporting level is not the highest, which leads to some small errors, but we cannot see the errors. according to the practice, it is found that these small errors will affect the PHP

PHP and other class functions 1. same class knowledge as Java 1. class and object public, private, constructor, thisClassperson {public $ length; // member variable _ construct () {// Constructor} publicfunction PHP and so on Class functions I.

Php uses zip & nbsp; in PHP, you can use PHP's own ZIP function to package and decompress some files. this is more convenient than other languages. the method is summarized as follows: 1. open PHP. extended extension in INI, enabled (this function

Java programmers learn php-13. value passing is the same as passing a reference to php and Java. when calling a function, the basic data type is passed with a value, and the object is passed with a reference. However, php can also pass a reference

Java programmers to learn the namespace in the php-15php and java packagephp namespace with java pakcage, can solve the problem of name conflict. For example: & nbsp; Declaration: namespaceAPP \ KENT \ C java programmers learn namespace in php-15

Java programmers learn php-9. string Processing PHP & nbsp; & nbsp; & java programmers learn php-9. string Processing Php java standard library or StringUtils of commons-lang ======================================== Trim ($ str) --------- str.

Java programmers learn php-14. object-oriented similarities: 1. also class + Method 2. multi-inheritance is not allowed. you can also use interfaces to implement multi-inheritance. there are also abstract classes 5. there are also static methods 6.