PHP-语法错误，意外T_CONSTANT_ENCAPSED_STRING [英] PHP - syntax error, unexpected T_CONSTANT_ENCAPSED_STRING

问题描述

我对PHP还是很陌生，不知道为什么会这样，我看过其他在线文章，但是似乎看不到为什么会收到此错误.

<?php
include_once('assets/libs/posicloud/posicloud.php');

    $cloud=new posicloud();
    $out='';
    foreach ($cloud->list_templates() as $key=>$template)
    {
$out.='<option value=''.$key.'">'.$value["name"].';
    }
  return $out;
?>

谢谢您的帮助！

解决方案

在PHP中使用字符串时，需要特别注意使用"或'

的形式.

$string = 'Hello, world!';
$string = "Hello, world!";

这两个都是有效的，以下是无效的:

$string = "Hello, world';

您还必须注意，以"开头的文字内的'不会以字符串结尾，反之亦然.因此，当您的字符串包含'时，通常最好的做法是使用双引号.

$string = "It's ok here";

转义字符串也是一种选择

$string = 'It\'s ok here too';

有关更多信息，请参见文档

I am very new to PHP and have no idea why this is happening, I have looked at other online items, however I just cannot seem to see why I am getting this error.

<?php
include_once('assets/libs/posicloud/posicloud.php');

    $cloud=new posicloud();
    $out='';
    foreach ($cloud->list_templates() as $key=>$template)
    {
$out.='<option value=''.$key.'">'.$value["name"].';
    }
  return $out;
?>

Thankyou for any help!

解决方案

When you're working with strings in PHP you'll need to pay special attention to the formation, using " or '

$string = 'Hello, world!';
$string = "Hello, world!";

Both of these are valid, the following is not:

$string = "Hello, world';

You must also note that ' inside of a literal started with " will not end the string, and vice versa. So when you have a string which contains ', it is generally best practice to use double quotation marks.

$string = "It's ok here";

Escaping the string is also an option

$string = 'It\'s ok here too';

More information on this can be found within the documentation

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