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PHP，那么您不"},{"id":"30982","classid":"22","onclick":"718","userid":"1","username":"admin","truetime":"1683857696","lastdotime":"1683857696","newstime":"1683857696","titleurl":"/houduan/php/30982.html","keyboard":"","title":"PHP书写格式","titlepic":"","smalltext":"从一个例子开始。nn启动编辑器，创建一个php文件并键入如下代码：nnn<?phpnecho "你好！";n?>nnnn将该文件命名为 test.php 并存储于 E:html 目录下。nn在浏览器地址栏里访问该 php 文件：http://127.0.0.1/test.php，输出结果"},{"id":"30983","classid":"22","onclick":"1130","userid":"1","username":"admin","truetime":"1683857698","lastdotime":"1683857698","newstime":"1683857698","titleurl":"/houduan/php/30983.html","keyboard":"","title":"php变量","titlepic":"","smalltext":"变量是用于存储信息的"容器".nn定义一个变量的语法：nnn$变量名 = 值;nn使用变量的例子：nnn<?phpn$x=5;n$y=6;n$z=$x+$y;necho $z;n?>nnnn从这个例子可以看出，变量名以 $ 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"<"},{"id":"30989","classid":"22","onclick":"788","userid":"1","username":"admin","truetime":"1683857715","lastdotime":"1683857715","newstime":"1683857715","titleurl":"/houduan/php/30989.html","keyboard":"","title":"php布尔型","titlepic":"","smalltext":"布尔类型分为两类：nnntTRUE：表示事实成立，为真，也可写作truentFALSE：表示事实不成立，为假，也可写作falsennn例如将两个数字作比较（ == 为比较运算符，参见《PHP 运算符》）：nnn<?phpn$num1 = 2;n$num2 = 5;nif($num1 == $num2){n"},{"id":"30990","classid":"22","onclick":"639","userid":"1","username":"admin","truetime":"1683857718","lastdotime":"1683857718","newstime":"1683857718","titleurl":"/houduan/php/30990.html","keyboard":"","title":"php数据类型之数组","titlepic":"","smalltext":"数组是一个能在单个变量中存储多个值的特殊变量。在php中，数组经常被使用到，我们可以用 array() 来新建一个数组。nnn$arr = array("foo" => "bar", 12 => TRUE);necho $arr["foo"];    //输出：barnecho 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statementnendwhile;nn该语法表示，只要expr表达"},{"id":"30997","classid":"22","onclick":"967","userid":"1","username":"admin","truetime":"1683857739","lastdotime":"1683857739","newstime":"1683857739","titleurl":"/houduan/php/30997.html","keyboard":"","title":"PHP流程控制","titlepic":"","smalltext":"PHP 流程控制主要是 if 和 switch 流程控制。nn当您编写代码时，您常常需要为不同的判断执行不同的动作。您可以在代码中使用条件语句来完成此任务。nn在 PHP 中，提供了下列条件语句：nnntif 语句 - 在条件成立时执行代码"},{"id":"30998","classid":"22","onclick":"721","userid":"1","username":"admin","truetime":"1683857742","lastdotime":"1683857742","newstime":"1683857742","titleurl":"/houduan/php/30998.html","keyboard":"","title":"php数组","titlepic":"","smalltext":"数组的概念nn数组（array）是 PHP 中一个非常重要的概念，我们可以把数组看做一系列类似的数据的集合，实际上数组是一个有序图。nnPHP 还提供了超过 70 个内建函数来操作数组。nn由于数组在php中比较重要，并且不易掌握，本节将"},{"id":"30999","classid":"22","onclick":"683","userid":"1","username":"admin","truetime":"1683857744","lastdotime":"1683857744","newstime":"1683857744","titleurl":"/houduan/php/30999.html","keyboard":"","title":"php函数","titlepic":"","smalltext":"PHP 的真正威力源自于它的函数。nn在 PHP 中，提供了超过 1000 个内建的函数。nn在本章中，我们将为您讲解如何创建自己的函数。nn如要在页面加载时执行脚本，您可以把它放到函数里。nn函数是通过调用函数来执行的。nn你可"},{"id":"31000","classid":"22","onclick":"768","userid":"1","username":"admin","truetime":"1683857747","lastdotime":"1683857747","newstime":"1683857747","titleurl":"/houduan/php/31000.html","keyboard":"","title":"php全局变量","titlepic":"","smalltext":"PHP 全局变量nnPHP中预定义了几个超级全局变量（superglobals） ，这意味着它们在一个脚本的全部作用域中都可用。 你不需要特别说明，就可以在函数及类中使用。nnPHP 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日期","titlepic":"","smalltext":"PHP Date() 函数nnPHP date() 函数可把时间戳格式化为可读性更好的日期和时间。nn时间戳是一个字符序列，表示一定的事件发生的日期/时间。nn语法nndate(format,timestamp)nnntnttnttt参数nttt描述nttnttntttformatnttt"},{"id":"31004","classid":"22","onclick":"805","userid":"1","username":"admin","truetime":"1683857758","lastdotime":"1683857758","newstime":"1683857758","titleurl":"/houduan/php/31004.html","keyboard":"","title":"PHP包含文件","titlepic":"","smalltext":"PHP include 和 require 语句nn在 PHP 中，您可以在服务器执行 PHP 文件之前在该文件中插入一个文件的内容。nninclude 和 require 语句用于在执行流中插入写在其他文件中的有用的代码。nninclude 和 require 除了处理"},
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}