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PHP Echo字符串的连接格式_PHP

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May 27, 2016 am 10:36 AM

先给大家说下PHP echo() 函数

定义和用法

echo() 函数输出一个或多个字符串。

注释：echo() 函数实际不是一个函数，所以您不必对它使用括号。然而，如果您希望向 echo() 传递一个以上的参数，使用括号将会生成解析错误。

提示：echo() 函数比 print() 速度稍快。

提示：echo() 函数也有简写语法。在 PHP 5.4.0 之前，该语法只适用于 short_open_tag 配置设置启用的情况。

语法

echo(strings)

参数	描述
strings	必需。一个或多个要发送到输出的字符串。

技术细节

返回值：	无返回值。
PHP 版本：	4+

PHP Echo字符串的连接格式所述如下：

echo "<td align=\"center\"><img  src=\""; </pre alt="PHP Echo字符串的连接格式_PHP" >
</p>
<p><br>
1. \" \"<br>
</p>
<p>2. <br>
</p>
<p>
<pre class='brush:php;toolbar:false;'>
echo <<<theEnd
line 1
line 2
line e
theEnd

实例

随机三张图片(banner)

<&#63;php
$pictures = array('tire.jpg', 'oil.jpg', 'spark_plug.jpg',
'door.jpg', 'steering_wheel.jpg',
'thermostat.jpg', 'wiper_blade.jpg',
'gasket.jpg', 'brake_pad.jpg');
shuffle($pictures);
&#63;>
<html>
<head>
<title>Bob's Auto Parts</title>
</head>
<body>
<h>Bob's Auto Parts</h>
<div align="center">
<table width = %>
<tr>
<&#63;php
for ($i = ; $i < ; $i++) {
echo "<td align=\"center\"><img src=\"";
echo $pictures[$i];
echo "\"/></td>";
}
&#63;>
</tr>
</table>
</div>
</body>
</html>

以上内容主要给大家介绍PHP Echo字符串的连接格式，希望对大家有所帮助！

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