//常量 define("NUM",5); echo NUM;输出:5...
// 调用 fun1(); echo "<br/>"; Echo fun2(1,2,3); // 定义无参数的函数 function fun1(...
$i = 10; while($i-->0){ echo $i." "; } echo "<...
$arr = Array( Array("name" => "张三" , "sex" =>&n...
$i = 0; $arr = Array( Array( 'name' ...
$a = 123; //定义int型的a变量 var_dump($a); //输出a变量的数据类型及值 --> int(123) ec...
<html> <head> <meta http-equiv="content-type" content="text.html;charset=utf-...
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