Introduction to PHP Error and Logging
The error and logging functions allow you to process and record errors.
The error function allows the user to define fault-handling rules and modify the way in which the errors are logged.
The logging
In the past, running a large Web application meant running a large Web server. Because your application attracts a large number of users, you will have to add more memory and processor to your server.
today, the ' big server ' model is over,
A previously written php form e-mail sender, which verifies that the e-mail address format is correct by using the following method:
The code is as follows
Eregi ("^[_a-z0-9-]+" (. [ _a-z0-9-]+) *@[a-z0-9_-]+. [a-z0-9_-]
Do PHP believe all know, from PHP5.3 began to add a new level of error deprecated, will be discarded/expired. We have come in a version.
In php5.3 the functions that are waived are:
code is as follows
&nbs P;
Call_
Array creation, initializing
'老大','2'=>'老三','1'=>'老二');
if( isset($arr3) ) {print_r($arr3);}
?>Using the value of an array
Print data for a group
//直接通过index访问
';
Want to build a chat app, or even a game? Then, the socket server will be your first step. Once you understand the basics of creating a server, subsequent optimization steps will be just as simple.
The socket server works in such a way that it runs
PHP upload file function class Library, the network has a lot of packaging is perfect, we can use directly.
This article just say about the upload principle and simple upload operation, the veteran will ignore ha ^_^ ~
There are some security
A program for practice heap sorting
?Heap Sorting applicationClass Heapsort{var $a;function SetArray ($a)//Get array{$this->a= $a;}function Runvalue ($b, $c)//$a represents an array, $b represents the sort heap, and the $c represents the end
iOS push messages are a very useful feature, and many applications have this capability to become the core of the data flow for real-time applications. So how do we use PHP to do the push service for iOS? The following article will give you a
SMTP.?
/***********************************
PHP MIME SMTP ver 1.0 powered by Boss_ch, Unigenius Soft ware Co. Ltd
All rights reserved, Copyright 2000;
This class sends MIME-type messages using PHP through the SMTP sock operation, and can send
HTML
Encryption | The position of data encryption in our lives has become more and more important, especially considering the large amount of transactions and data transmissions that occur on the web. If you are interested in adopting security measures,
The essence I found a lot of PHP programmers, especially the study is not very long, do not know the essence of PHP. How did Perl become famous in the business world? Its powerful regular expression. And what about PHP? He is a language developed
Research with PHP (now the mainstream development language) 5 bundled XML(standardization is getting closer)Reader library, which makes PHP(as the current mainstream development language) page can be efficient flow mode to process XML Documentation (
In PHP, the conversion of data types can be done directly using the pack. For example, the character type, short integer, integral type, long integer can be used respectively, the parameters C, s, I, N to express, of course, the converted data here
PHP is an efficient network programming language, because it has the advantages of flexible writing, fast running and so on, quickly become the preferred language of web programmers. A recent authoritative survey showed that 31.6% of websites now
How to Upgrade php 5 to php 7 on Mac
Preface
In mac OS x 10.11, the php version is 5.5. Over the past year, I have seen a lot about php7 and thought php7 has added many new features, I also deleted many old features, so I never wanted to try php7.
PHP 7 Compilation and installation error: cannot stat 'phar. phar ': No such file or directory, statphar. phar
Preface
Recently, PHP 7 is required for work, so you can find a tutorial on the Internet for installation. The compilation result is
The scalar type and return type declaration are added to PHP 7. I checked the information and found that the efficiency was not greatly improved. So what is the role of this scalar type and return type declaration? The scalar type and return type
In general, MySQL optimization can be divided into two levels: one is Optimization at the MySQL level, such as SQL rewriting, index addition, and configuration of various MySQL parameters; the other layer is the operating system and hardware.
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