If
(PHP 4, PHP 5)
The IF structure is one of the most important features in many languages, including PHP, which allows code snippets to be executed on a conditional basis. The IF structure of PHP is similar to the C language:
As defined in the
Before you introduce the "if" statement, know that the "if" statement is to meet the expression when the execution of a PHP statement, when the condition is not satisfied, is not executed, but, in most cases, always meet the conditions when the
1, if statement
An If statement is an important feature in most languages, and it executes the program segment according to the conditions. PHP's If statement is similar to C:
if (expr)
Statement
As discussed in an expression, expr is computed
1. If
The IF structure is one of the most important features in many languages, including PHP, which allows code snippets to be executed on a conditional basis. The IF structure of PHP is similar to the C language:
if (expr)Statement
As defined in
conditional Statements
When you write code, you often need to perform different actions for different judgments.
You can use conditional statements in your code to accomplish this task.
If...else statements
Executes a piece of code when the
First, If...else statement
If...else statement
Executes a piece of code when the condition is set, and executes another piece of code when the condition is not established
Grammar:
1. Simple condition
if (condition) {......}else{......}
Cases
This article mainly introduces the PHP process Control elseif/else If, has a certain reference value, now share to everyone, the need for friends can refer to
This paper tries to use the basic Learning Master, please close this page
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Discuss why PHP has both ElseIf and else if
these words are in the PHP manual, I am more curious about why PHP will exist at the same time these two ways?
ElseIf, as implied by this name, is the combination of if and else. As with else, it extends
Joe Brockmeier briefly introduces the PHP scripting language, discusses the origin, performance, and application Platform of PHP. A simple example of a PHP script illustrates its basic syntax and usage.
If you are working on web-based development,
Does PHP use this method to reference the variables in if to else? For example, thank you ------ solution -------------------- do not understand what you mean ------ solution ------------------ PHPcode $ test1; if ($ test) {$ test2;} else {# Here I
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