I do not intend to elaborate on professional terms, and interested readers can refer to the reference link at the end of the article, where there are understandable explanations:
Let's look at an example image (taken with Canon 550D):
Example
Prev () Definition and usage
The prev () function moves the pointer to the current element to the position of the previous element and returns the element value.
If the internal pointer already exceeds the first element of the array, the function
This article will describe how to implement a time conversion based on the timeline.
First we need to understand several functions of time:
Time (): Returns the current Unix timestamp
Date (): Formats a local time/date.
Application Examples:
One, common ASCII code comparison illustration of an ASCII comparison chart , taking character A as an exampleDec means decimal, such as 65HX represents hexadecimal, such as 41Oct represents octal, such as 101Char represents a display character,
This example describes how PHP uses Strtotime to calculate the number of days between two given dates. Share to everyone for your reference. The specific analysis is as follows:
The Strtotime function of PHP is used to resolve the date-time
This article illustrates how PHP moves the first element of an array by using the Array_shift () function. Share to everyone for your reference. The specific analysis is as follows:
The following code continues to move the first element of the
Here are two ways to choose: First: Handwriting code. Second: Using HttpClient PHP class Library
The first method:
Copy Code code as follows:
? Php
$flag = 0;
The data to post
$ARGV = Array (
' var1 ' => ' abc ',
' Var2 ' => ' How
How to use PHP design pattern Factory mode
Copy Code code as follows:
/*
* Daily practice of PHP design mode Factory mode use method
* PHP Factory model is not difficult to understand, as the name suggests, is a processing plant, and
This article describes the PHP based on the GD library painting flag method. Share to everyone for your reference. The specific analysis is as follows:
Here The example analyzes the PHP drawing flag (GD library), the code is as follows:
Copy
The examples in this article summarize the common methods used to obtain file name suffixes in PHP. Share to everyone for your reference. The implementation methods are as follows:
";
The second method
, Echo End ($pics). ";
End () method,
What is the reference?
Referencing in PHP means accessing the contents of the same variable with a different name. This is not like a C pointer, but instead, the reference is a symbolic table alias. Note that in PHP, variable names and variable
This example describes how PHP uses the explode () function to split strings into arrays. Share to everyone for your reference. The specific analysis is as follows:
Explode () function: string split into an array
The sample code is as follows:
A lot of children's shoes in the configuration of PHP 5.3 or PHP 5.4 site after the source code open error, prompted
Copy Code code as follows:
FastCGI Error
The FastCGI Handler is unable to process the request.Error Details:
Error
Let's talk about the use of the Exit function.
Function: output a message and terminate the current script.
If a paragraph of text contains more than one script that ends, exit exits the current script.
For example, a PHP text including the code,
Introduced
The decorator pattern dynamically attaches responsibility to the object. To extend functionality, adorners provide a more flexible alternative than inheritance.
Mind Mapping
There is such a project to make a restaurant reservation
PHP forms are backed up after submission, and the contents of the form are emptied by default (when using Session_Start),
The workaround is to write the character output before the session_start ()
Copy Code code as follows:
Header ("
These days write PHP program, feel a lot of places than asp,asp.net,jsp conveniently, such as session use first get Session_Start (), file jump header use is also inconvenient ....
Maybe not familiar with some of the features of PHP, but write more,
1. Use embedded HTML code, not PHP's echo statement.
Because PHP is an embedded web programming language, you can embed HTML code and PHP code into each other. But many programmers are concerned about the excessive use of "" embedded PHP code in
This article describes the PHP memory cache implementation method. Share to everyone for your reference. Specifically as follows:
Caching in PHP is divided into many types such as memory caching, file caching, and page caching. This article is
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