PHP Tutorials

Original address: http://www.manongjc.com/article/491.html Const is the definition of a class member constant, which cannot be changed after the definition, and define we define global constants so that we can access them elsewhere but not change

I worked in a small company, daily work is to maintain the normal operation of the site, rewrite the site of small bugs, as well as with the boss of each "epiphany" creativity, today the boss needs to move the original ASP's website to the newly

Several solutions to undefined index in PHP I. Related information $_post[''] $_get[''] It appears when you use or get the parameters in the formNotice: Undefined index: --------；And we often receive the form post come over the data times Undefined

1 features ?? By pressing ESC the key, the modal dialog box is made so that the interface can not be manipulated except for the dialog box, so that it can prevent others from manipulating the page when the worker leaves, but only through my

in the JSP, the method to obtain the IP address of the client is: Request.getremoteaddr (), which is valid in most cases. However, after passing the reverse proxy software such as Apache,squid,nginx, due to the addition of the middle tier between

Data-id= "1190000004868315" > CodeIgniter 4 has made a big change in the way the inputs and outputs are handled. In the previous release, including the latest version of V3, the inputs and outputs were handled using two classes containing related

PHP List file directory tree A method, you can also determine whether its files are directories, the files in its directory clearly displayed, can help us to understand the directory of the situation, you can quickly see how many directories in this

Environment: LNMP, upload plugin swfupload, when the need to upload large files, we need to do some settings, because nginx php,swfupload default upload size is relatively small. Set the size in the order of access below 1.Swfupload Configuration,

The examples in this paper describe the method that Joomla simply determines whether a user is logged in. Share to everyone for your reference, as follows: More about Joomla related content readers can view this site topic: "YII framework

Data-id= "1190000005008401" data-license= "CC" > 1. It is a good idea to index fields that are often used (for example, to sort by these fields, or to search).2, the type of the field as far as possible with int or tinyint types. In addition, the

Filter HTML tags in PHP can have built-in functions, but it filtered too clean, we sorted out some use the regular to filter the specified HTML tag example, as shown below. Sometimes it is necessary to filter out the extra tag attributes, such as

The way to clear whitespace is unsafe, in part because there are a lot of spaces in the characters, such as "The problem with addslashes is that hackers can use 0xbf27 instead of single quotes, and addslashes just modifies 0xbf27 to 0xbf5c27 to

This book is walu.cc's "PHP extension development and Kernel application development" upgrade version, for PHP7 expansion of the development of a number of upgrades, is being released, has now been updated to Chapter 2.1. Please look forward to!

After one afternoon, I accidentally remembered that Linux was a file case, looked at the code, and found that the instantiation of the class did not pay attention to the case of the file. The view file that corresponds to $dao = D ("Inventoryview")

Data-id= "1190000004975909" data-licence= "" > Last night, the line went out of trouble, emergency deal with the disaster after the handover to alleviate the failure, after resolving the disaster after calmly switch back to the official service,

This paper introduces a simple way to implement bulk upload images in PHP. Share to everyone for your reference, as follows: More about PHP related content readers can view the topic: "PHP File Operation Summary", "PHP operation and operator

Upload Image: Copy the Code code as follows: if (!empty ($_files["img" ["name"])) {//Extract the File field content name and determine$path = "uppic/"; Upload pathif (!file_exists ($path)){Check if there is a folder, if not created, and give the

Today made a day, finally put Win2003 under the problem to solve, LoadModule php5_module E:\server\php528\php5apache2_2.dll may have some friends also know, add this sentence, You don't have to copy the php.ini to the system directory: Phpinidir

Organize out 2 to learn from everyone 1, three equals sign and two equals sign difference "= = =" VS "= =" For example, you'll get a function that returns these kinds of situations: 1, more than 0 of the number 2, less than 0 of the number 3, equals

The solution on the net said after crawling with Iconv () transcoding. Look after I feel that something is wrong: one is not necessarily compiled Iconv library, the bigger problem is that the encoding is the same as the time of the stream conversion