php if else endif

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

In PHP, the ElseIf and else if are normally used in the same way and the effect is the same, but when using a colon if statement (that is, PHP substitution) The situation will be a little different, such as:/* Correct wording */$a = 1;$b = 2;if ($a >

It is recommended to use else if.in PHP(PHP 4, PHP 5)ElseIf, as implied by this name, is the combination of if and else . As with else , it extends the if statement and can execute different statements when the original if expression FALSE value

PHP kernel decryption series: Execution Process of zend_execute, kernel zend_execute PHP kernel decryption series: Execution Process of zend_execute The interpreter engine finally executes the op function zend_execute. In fact, zend_execute is

Before that, the database code is read, and skipped here... Then, it won't happen .. {Code ...} problem 1: The first line returns the following error: PHPParseerror: syntaxerror, unexpected & #039; $ row & #039; (T_VARIABLE), expecting & #039; (& #03

Before we begin Before we begin, I shocould note that the focus of this article will be on the Unix side of the PHP world. i'll mention a few pointers for Windows development, but since I do most of my coding on Unix systems, I'll be sticking to

Encryption | The position of data encryption in our lives has become more and more important, especially considering the large amount of transactions and data transmissions that occur on the web. If you are interested in adopting security measures,

Chapter PHP3 Introduction PHP is a server built-in script language that makes it possible to quickly develop dynamic web on UNIX. PHP was conceived by Rasmus Lerdorf in the fall of 1994. The earliest unreleased version was the one he used to keep

Before this is read the database code, omitted here ... And then here, it's not going to happen. 找人起个名字吧! 这个名字还不错么 Problem one: The first line writes the following error: PHP Parse error:syntax error, unexpected ' $row '

Chapter PHP3 Introduction PHP is a server built-in script language that makes it possible to quickly develop dynamic web on UNIX. PHP was conceived by Rasmus Lerdorf in the fall of 1994. The earliest unreleased version was the one he used to keep