Ajax.js
function Ajax (Recvtype) {var ajax = new Object ();
Whether it is HTML or XML ajax.recvtype = Recvtype?recvtype.touppercase (): "HTML";
Ajax.targeturl = ';
ajax.sendstring = ';
Ajax.resulthandle = ';
Ajax.createxmlhttprequest =
Implement a simple template engine yourself: Aspects of PHP logic and the separation of the page
Template class:
Page to call:
assign ("title", $title);
$tpl->assign ("content", $content);
$tpl->display ("mysmarty.html");
? >
ajax No refresh
Data loading ......
demo.php
query ("Select ID from Users");
$page = new page ($result->num_rows,10);
$sql = "Select Id,name from users ' order by ID {$page->limit}";
$result = $mysqli->query ($sql);
Echo '
There is such a need, according to the user's IP address, locate the user's city.
This article records the article, has no logic. Friends with such needs can be used directly for copying. Directly on the code, do not need to repeat.
Results
Original address: Http://www.walu.cc/php/a-bishiti.md
Recently used a pen test, recommended to everyone. problem
Please find out the problem in the following code, fix it and optimize it.
1 2 3 4 5 6 7 8 9 10 11 12 13-14
100.
String, integer, floating-point number, logic, array, object, NULL.
1, the demarcation sign PHP demarcation symbol to determine the start and end of the PHP script, four different styles to embed PHP code in the HTML code ① standard: ②: >③js and Vbs:
Empty and Isset
Empty () to determine whether a variable is "null", Isset () to determine whether a variable has been set.
The empty also detects whether the variable is empty and zero. When a variable value is 0,empty (), the variable equals null,
function Read_all ($dir) {
if (!is_dir ($dir)) return false;
$handle = Opendir ($dir);
if ($handle) {while (
$FL = Readdir ($handle))!== false) {
$temp = $dir. Directory_separator. $FL;
If you do not add
Read the online many log4php articles, mostly v0.8, v0.9, are very old, according to the above is always wrong, now out to V2.0, OK, I will tell you how to configure this version.
1, first on the
Nanyi Daniel's Blog mentions:
Structurally, all data can eventually be decomposed into three types:
The first type is a scalar (scalar), a separate string or number (numbers), such as "Beijing", a separate word.
The second type is the sequence
Write a project before the time to write too much of the page class, this time to see the video, this page class quite full, and then knocked again, feel OK, write down to share.
Introduce this page class: Home, Last, previous page, the next page,
There are some flaws, but the lambda definition of the natural number of church can be realized
Class Lambda {private $f;
Private $args;
Private $count;
Public function __construct ($f, $args = []) {if ($f instanceof Lambda)
The allocation of PHP objects in memory
Like in PHP and integral type, floating-point type, but also a data class, are stored in different types of data, in the runtime to be loaded into memory to use, then the object in memory how to embody it.
name. "\ n"; The Name property is not present in the object, the read does not exist, the __get method is called $obj->name = "name Value";//The Name property is not present in the object, the setting does not exist, and the __set method is invoked
The so-called master-slave separation is written from the primary database, from the server to read data, whether a main one from or a master from, the server is instantaneous synchronization, the program end only need to process is written in the
init.smarty.php
template_dir=root. " /templates/";
$tpl->compile_dir=root. " /templates_c/";
The configuration file location
$tpl->config_dir=root. " /configs/";
$TPL->caching=0;//Cache file location, the development phase does not open,
Www.MyException.Cn posted on: 2012-10-07 17:28:51 Browse: 5 times 0 Java programmers learn php-15 php in namespace and Java package
The namespace in PHP, like the pakcage in Java, can solve the problem of naming conflicts.
Like what:
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