<?php
/**
* @author Steve Smith
* @copyright 2014
*/
$str="5";
echo $str;
$myTest='我的名字';
echo $myTest;
define("GREETING","Hello world!");
print constant("GREETING");
$txt1="Hello World";
$txt2="1234";
echo $txt1 . " "." " . $txt2;
echo strlen("Hello world!");
$expression ='10test';
switch ($expression)
{
case '10test1':
echo 'right';
break;
case 5:
echo 'wrong';
break;
default:
echo 'null';
break;
}
$ages['Peter'] = "32test1";
$ages['Quagmire'] = "30test2";
$ages['Joe'] = "34test3";
echo $ages['Peter'];
echo $ages['Quagmire'];
echo $ages['Joe'];
echo $ages['Peter'];
echo $ages['Quagmire'];
echo $ages['Joe'];
echo $ages['Peter'];
echo $ages['Quagmire'];
echo $ages['Joe'];
if( in_array('32test1')){
echo '包含数据';
}
else{
echo '不包含数据';
}
//判断是否存在某个字符串在数组中
$myArray=array(1,2,3,4,5,6,7,8);
if(in_array(23,$myArray)){
echo "正确";
}
else
{
echo "错误";
}
echo "<br/>";
for ($i=1; $i<=5; $i++)
{
echo "Hello World!<br />";
}
?>