echo pre in php

PHP pre-defined interface: ArrayAccess; php pre-defined arrayaccess. PHP pre-defined interface ArrayAccess, php pre-defined arrayaccess recently went home for the Chinese New Year, and the blog has not been updated. I feel that I have learned a lot

PHP pre-defined variable (2 ). PHP pre-defined variables (II) IV. Session variables ($ _ SESSION): the data generated by the php session function is in the form of super global variables, stored in the $ _ SESSION variable. 1. Session introduction

Six pre-defined interfaces in PHP are introduced. Six pre-defined interfaces in PHP introduction this article mainly introduces six pre-defined interfaces in PHP, this article describes the six pre-defined interfaces in Traversable, Iterator,

PHPmysqli Extension Library (object-oriented database operation encapsulation transaction control pre-compilation), and mysqli object-oriented. PHPmysqli Extension Library (object-oriented database operation encapsulation transaction control

First, the Magic function(13)1, __construct ()Called when an object is instantiated, and when __construct and a function with the name of the class name are present, __construct is called and the other is not called.2, __destruct ()Called when an

First, the Magic function(13)1, __construct ()Called when an object is instantiated, and when __construct and a function with the name of the class name are present, __construct is called and the other is not called.2, __destruct ()Called when an

PHP pre-defined variables (ii) Session variable ($_session): The data generated by the session function of PHP are stored in the $_session variable in the way of super global variables. 1. Session Introduction The session is also known as the

PHP predefined interface. PHP pre-defined interface introduction there are several pre-defined interfaces in PHP. it is also useful for IteratorAggregate (Iterator of aggregate Iterator) IteratorAggregateextendsTraversable PHP pre-defined

PHP pre-defined variables (2)4. Session variable ($ _ SESSION): the data generated by the php session function is stored in the $ _ SESSION variable in the form of a super global variable.1. Session IntroductionSESSION is also called a SESSION

Answer the question in the previous section first. 01 02 $foo= 10; 03 $bar= 20; 04   05