PHP

As one of the most widely used languages in Web development, PHP has a large number of fans. Are you a good programmer? During self-cultivation, have you ever thought about various questions? as one of the most widely used languages in Web

While // while is to first judge the condition, if it is true, it is executed and executed multiple times, knowing that the condition is invalid While // while is to first judge the condition, if it is true, it is executed and executed multiple

In XML entry 5: using PHP to operate xml_parser, we learned how to use xml_parser to parse XML documents. However, xml_parser cannot modify or create XML documents. From today on, we will learn how to use the php dom extension module to enrich and

In XML entry 7: using DOM objects to create XML documents, we have learned how to use the dom class of PHP to create an XML document. However, the function of the dom class is far more than that. today we will learn how to use it to add elements to

Switchcase // suitable for matching a single value. this is a mutex. original PHP Tutorial: process control. Multiple branches If else if // suitable for range matching Switch case // suitable for matching a single value. this is a mutually

When I work today, I need to force a Download box to be filled out after the user visits a page. I remember seeing the code snippet of this function on a forum. the result was not found, that's depressing. Later, Google came to a website and made a

If we are defining a php function and are not sure how many parameters need to be input, what should we do? In this case, we need to use the func_num_args, func_get_args, and func_get_arg system functions to help us define a php function. if we are

After checking, CURL is really powerful and can forge IP addresses and sources. I have never done this before. A friend in the group asked this question today. After checking, CURL is really powerful and can forge IP addresses and sources. 1. php

Security comparison: Sessions are stored on the server, and the client does not know the information. cookies are stored on the client, and the server can know the information. Cookie is not very secure. others can analyze the cookies stored locally

In details about the Smarty cache operation in PHP (1), we learned how to operate the global cache of smarty. Now let's take a look at how some of the smarty caches are implemented. in details about the Smarty cache operations in PHP (1), we

For websites with fixed width and high requirements, direct Thumbnails cannot solve the problem, because proportional scaling width or height is not fixed. For websites with fixed width and high requirements, direct Thumbnails cannot solve the

I feel like I haven't written an article for a long time. Recently, the pressure is huge. Let's talk about php arrays today. for example, I have two arrays. The format is as follows: I feel like I haven't written an article for a long time. Recently,

The description of multifile upload in the Thinkphp manual is clear: to use multiple files, you only need to modify the form. The description of multifile upload in the Thinkphp manual is clear: to use multiple files, you only need to modify the

String functions are indispensable during development. there are too many functions and it is a little impossible to back them up. However, if you use a function, you should know which function can be implemented. String functions are indispensable

Join -- convert the array into a string. the alias of the implode () function is explode ([separator], arr), which is used to split a string according to the specified rule. the returned value is an array. I. array processing functions: [Focus

Verification code is an inaccessible technology on the current website. Message, comment, verification code is required all the time to prevent users from refreshing comments and leaving messages. First, User violations are restricted. Verification

The big camper rule means that the class names are case-sensitive and the first letter of each word is capitalized. Use full words whenever possible to avoid acronyms (unless the acronyms are more widely used, such as URLs and HTML) N naming

When creating a project, you must select multiple checkboxes. now it is basically a dynamic language. for example, after the selected technology is submitted, the database will be inserted (traversal and insertion), which is no problem, the problem

Use of ob function for php remote image capturing Use of ob function for php remote image capturing Function GetImage ($ url, $ filename = ""){If ($ url = ""){Return false;}If ($ filename = ""){$ Ext = strrchr ($ url ,".");If ($ ext! = ". Gif" & $

There are many problems with progress bars that we can use in put, mostly for the sake of beauty, so that users can patiently wait for the put results. There are many problems with progress bars that we can use in put, mostly for the sake of beauty,