basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Gets the value of the array Array_keys ($arr), gets the key name of the array array_flip ($arr), and the values in the array are exchanged with the key
Basic functions of array manipulationThe key name and value of the arrayArray_values ($arr); Get the value of an arrayArray_keys ($arr); Gets the key name of the arrayArray_flip ($arr); the values in the array are exchanged with the key names (if
What is an array?An array is a collection of data, which is equivalent to a container. Data can be stored in this container according to certain rules. This is equivalent to a hotel. There are many rooms in the hotel, and the rooms are numbered
This article is translated because the current articles on CGI security are all examples of Perl, and there are few articles specifically about asp,php or JSP security. Shaun Clowes This article more comprehensive introduction of PHP security issues,
---------------Course Catalogue---------------001.[php first quarter] the 1th Chapter PHP Overview (1). avi002.[php first quarter] the 1th Chapter PHP Overview (2). avi003.[php first quarter] the 1th Chapter PHP Overview (3). avi004.[php first
PHP Tutorial Configuration Chinese Narration
Let's see what you see, php.ini.
[PHP]
;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;
Administrators of more than 3 million Internet websites around the world are using PHP, making it one of the most popular server-side scripting languages. It features fast running, stable and reliable, cross-platform, and openSource codeSoftware.
program | attack [Global variables]
Variables in PHP do not need to be declared in advance, they are created automatically the first time they are used, and their types do not need to be specified, and they are determined automatically according to
Defining arraysAn array of arrays is an ordered set of variables in which each variable is called an element.
One, defining an arrayYou can use the array () language structure to create a new array. It accepts a certain number of key => value
1. Use Print_r ($array/$var)Print is the meaning of printing, and R is taken from the array of words, then the function is to play a set of content, it can either print the contents of the array, you can print the ordinary variables.
Print_r
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.