types of echo

1. The definition of a variable: The variable name is referenced to the value of the variable   unset: equivalent to the reference is removed, and then according to the PHP garbage collection mechanism (the variable value is not referenced by any

DICOM medical image processing: C-Echo and C-Store, dicomfo-dicomBackground: In the previous blog, we introduced the network transmission in DICOM, mainly referring to the original English text in DCMTK Wiki. By comparing the implementation of the

Http://blog.chinaunix.net/uid-26827001-id-3154024.htmlFirst you see a lot of #!/bin/bash that start with this is the shell program that tells the system to interpret this script file# This is a comment line, when the line is validThe script is

PHP stands for "Hypertext Preprocessor", it is a server scripting language.What Can PHP do? PHP can generate dynamic page content PHP can create, open, read, write, delete, and close files on the server PHP can collect form data

This article mainly introduces Echo,print () and Print_r () what is the difference between interested friends to understand. What is the difference between 1.echo,print () and Print_r ()? Echo is a language structure with no return value. Print is

Long time no article, in fact, is to record their own development in the Android growth process. Talking about the audio and video this piece, for the novice just contact this piece, it is very very disgusting ~ I myself get this piece is also from

Differences between echo (), print (), and print_r () in PHP. The difference between echo and print is that echo can output multiple variable values, while print only has one variable, which is output as a string. another difference is that echo

Echo (), print (), print_r () usage in php. My understanding of the echo (), print (), print_r () function is that echo can input string variable constants, and print is similar to echo, however, print_r can print arrays, but the first two are not

Echo (), print (), and print_r () in PHP. The difference in print is that echo can output multiple variables & #20540; while print only has one variable, output as a string. another difference is that echo does not return & #20540;, and print has

Echo (), print (), and print_r () in PHP. The difference in print is that echo can output multiple variables & #20540; while print only has one variable, output as a string. another difference is that echo does not return & #20540;, and print