PHP

Analysis of php functions and passing parameter instances, and analysis of php function instances. Php function and transfer parameter instance analysis, php function instance analysis this article describes the function call and function definition

The str_pad card number is used by php to automatically fill in the number of digits below the number of digits based on str_pad. Php uses the str_pad method to automatically add 0 digits when the card number is insufficient. the str_pad function

QuickSort and quicksort. QuickSort, quicksort1? Php2functionsortQuick ($ a) {# aisanarrayofnumbers34 # lengthofa5 $ mcount ($ a); 67if ($ m2) {8 return $ a; 9} 1011 $ else $ a [0 Quick Sort, quicksort 1

Base64 algorithm principle, as well as encoding and decoding [encryption and decryption] introduction. Base64 encoding is a commonly used encoding method in program development. It is a representation of binary data based on 64 printable characters.

PHP introduces two functions that implement the digit zero filling function. In PHP, there are at least two functions that can help us quickly implement zero-padding: The first is the PHPstr_pad function: Copy the code as follows: # str_pad-use

The difference between curl and file_get_content in php. It wasn't until recently that file_get_content was completely unable to meet the requirements when I was planning a web page thief program. In my opinion, when reading remote content, file_get_

PHP merge array append array example. PHP merge arrays we can use the array_merge () function. the array_merge () function returns a Union array. The obtained array starts with the first input array parameter. we can use the array_merge () function

Example of a php symmetric encryption algorithm. The php symmetric encryption algorithm KEY is a previously defined constant copy code. the code is as follows: Mcrypt: encrypt (); Mcrypt: decrypt (); the copy code is as follows: defined (ROOT)

Smarty loop operation. The phpsmarty template engine has two data loops: foreach and section. The following describes the two cycle methods one by one. (1) smartyforeach loop php smarty template engine has two data loops: foreach and section. The

Install and configure memcache in windows. Here we will not talk about what memcached is and how memcached is used. readers can refer to this article on their own: What is memcached? How to use memcache? This article mainly introduces what memcached

Manage product attributes in e-commerce systems. Like Content in CMS, a product is a product that does not know its specific attributes. different types of products have different attributes and specifications, and the rules can also affect the

Php uses the Baidu weather interface example. Note: The baidu ak application address for transcoding in the region is lbsyun. baidu. comapiconsolekey. the code for copying the key is as follows :? Php $ city Jiaxing; $ contentfile_get_contents (api.

Will you write the log sleep in php ?. Sleep. phpignore_user_abort (); the PHP script can be executed even if the Client is disconnected (such as the browser is disabled. set_time_limit (0); the execution time is unlimited, and the default php

PHP batch delete, clear the code instance of the UTF-8 file BOM header. Remember to back up the file before running the code to avoid failure. Code 1: Copy the code as follows: functioncheckBOM ($ filename) {global $ auto; $ contentsfil remember to

PHP merges, appends, and connects to arrays. The array_merge () function combines the arrays and returns a Union array. The obtained array starts with the first input array parameter and merges the array according to the order in which the following

Httppost the XML file to an address. Recently, I made a small task to send group messages and MMS messages. The partner provides an interface. we only need to splice the content to be sent into an XML file, and then httppost to that address.

PHP implements conversion between different operating systems. There is a requirement in the project: Convert decimal to binary, octal, and hexadecimal, as well as binary, octal, and hexadecimal to decimal. record the following, in the future, there

PHP scope qualifier: Several Program examples. Double colon: it is considered as a range limiting operator to specify different scope levels in the class. : Indicates the scope on the left and access members on the right. The system defines two

Look at PHP's garbage collection mechanism from a few simple programs. Every computer language has its own automatic garbage collection mechanism, so that programmers do not have to worry too much about program memory allocation. php is no exception,

Serialize () serialization function of PHP. The explanations of serialize () and unserialize () in the php Manual are: serialize-Generatesastorablerepresentationofavalue, which generates a representation of the stored values.