This question already has an answer here: PHP parse/syntax errors; and how to solve them? 13 answers <!DOCTYPE HMTL> <html> <head> </head> <body> <?php echo $javascript = '<script type = "text/javascript">prompt("Hello");</script>'; ?> </body> </html> You can simply echo the script using echo (without even using the variable) <
这个问题在这里已经有了答案: PHP解析/语法错误; 以及如何解决它们? 13个答案 <!DOCTYPE HMTL> <html> <head> </head> <body> <?php echo $javascript = '<script type = "text/javascript">prompt("Hello");</script>'; ?> </body> </html> 您可以使用echo简单地回显脚本(甚至不使用变量) <?php echo '<script type = "text/javascript">prom
This question already has an answer here: PHP parse/syntax errors; and how to solve them? 13 answers Based on the image provided, code will look this way echo "<pre>"; print_r($levels); echo "</pre>"; Check your code for syntax errors Try this code . i will work. <?php $levels = array( 1 => array( 'name' => 'level 1', 'desc' => 'This is the first leve
这个问题在这里已经有了答案: PHP解析/语法错误; 以及如何解决它们? 13个答案 根据提供的图像,代码将以这种方式显示 echo "<pre>"; print_r($levels); echo "</pre>"; 检查您的代码是否有语法错误 Try this code . i will work. <?php $levels = array( 1 => array( 'name' => 'level 1', 'desc' => 'This is the first level' ), 2 => array('name' => 'level 2
define('EMPTY', ''); if(!empty(EMPTY)) { if(!(boolean) _CONSTANT) { print "One"; } } The above code produces the following error message: "Parse error: syntax error, unexpected 'EMPTY' (T_EMPTY) in C:UsersRobertDocumentsweb developmentxampphtdocsxamppweb_developmentindex.php on line 3" Nowhere in the PHP Manual does it explicitly state that "EMPTY" is a token n
define('EMPTY', ''); if(!empty(EMPTY)) { if(!(boolean) _CONSTANT) { print "One"; } } 上面的代码会产生以下错误消息: “解析错误:语法错误,在C: Users Robert Documents web development xampp htdocs xampp web_development index.php中出现意外'EMPTY'(T_EMPTY) 在PHP手册中没有任何地方明确指出“EMPTY”是一个标记,它也没有告知你这个陷阱。 函数名称不区分大小写。 $state = constant('EM
Possible Duplicate: Are PHP short tags acceptable to use? The <?= is one of the very few elegant things about PHP, IMO. Yet, there are people that deliberately avoid it (in favor of the much longer <?php echo ). Why would they do that? <?= is easier to use but some servers don't support short tags. Therefore, if you ever run into a server that doesn't support them, you n
可能重复: PHP短标签是否可以使用? <?=是关于PHP,IMO的少数优雅之一。 然而,有些人故意避免它(赞成更长的<?php echo )。 他们为什么要那样做? <?=更易于使用,但有些服务器不支持短标签。 因此,如果您遇到不支持它们的服务器,则需要替换所有标签。 已经给出了更详细的答案:是否可以使用PHP短标签? 由于该功能在PHP中未默认启用,因此如果其他人使用不支持的代码,则代码会中断。 问题在于并非
Possible Duplicates: Are PHP short tags acceptable to use? Reference - What does this symbol mean in PHP? Hi Guys, I can't seem to find any information about the <?= shortcut of php. Does anyone of you know more about that? Thanks in advance! You are looking for the PHP ini directive short_open_tag It enables the support for <? instead of <?php From the docs: Note:
可能重复: PHP短标签是否可以使用? 参考 - 这个符号在PHP中的含义是什么? 嗨,大家好, 我似乎无法找到有关PHP的<?=快捷方式的任何信息。 你们中有人对此有更多的了解吗? 提前致谢! 您正在寻找PHP ini指令short_open_tag它支持<? 而不是<?php 从文档: Note: This directive also affects the shorthand <?=, which is identical to short_open_tag开启。 任何支持都不应该停止。 您可以
Possible Duplicate: Are PHP short tags acceptable to use? I have a question using <?=$info ?> rather than <?php echo $info ?> when is <?= appropriate to use or has it be deprecated with 5.0 <?=必须在配置文件中标记为启用,它是可选语法,我认为... 请注意,如果您将代码移至另一台禁用了短标签的服务器,则可能需要执行大量工作。 If you have the short_open_tag configuration setti
可能重复: PHP短标签是否可以使用? 我有一个问题使用 <?=$info ?>而不是<?php echo $info ?> when is <?=适合使用或者不赞成使用5.0 <?=必须在配置文件中标记为启用,它是可选语法,我认为... 请注意,如果您将代码移至另一台禁用了短标签的服务器,则可能需要执行大量工作。 如果您启用了short_open_tag配置设置,则可以使用此设置。 通常,为了可读性和兼容性(如果在较高版本中默认禁用该标签
This question already has an answer here: Are PHP short tags acceptable to use? 25 answers From the PHP manual: When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> , which tells PHP to start and stop interpreting the code between them. Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pa
这个问题在这里已经有了答案: PHP短标签是否可以使用? 25个答案 从PHP手册: 当PHP解析一个文件时,它会查找打开和关闭标记,它们是<?php和?> ,它告诉PHP启动和停止解释它们之间的代码。 以这种方式进行解析可以将PHP嵌入到各种不同的文档中,因为一对开关标签之外的所有内容都被PHP解析器忽略。 PHP也允许短打开标签<? 和?> (因为只有在使用short_open_tag php.ini配置文件指令启用时才可用,或者使
Possible Duplicate: Are PHP short tags acceptable to use? I saw some people use <?= instead of <?php echo It does make all those <td something><?php echo $result;?></td> <td something><?php echo $result2;?></td> shorter and easy to read (to me at least) but my question is: is it desirable to use this syntax? Or is it deprecated/discouraged/simp
可能重复: PHP短标签是否可以使用? 我看到一些人使用 <?= 代替 <?php echo 它确实使所有这些 <td something><?php echo $result;?></td> <td something><?php echo $result2;?></td> (至少对我来说)更简单易读,但我的问题是:是否可以使用这种语法? 或者是否被弃用/气馁/简单地错误? 谢谢! 据推测,有些人在他们的服务器上禁用了短标签,所以这是行不通的。
Possible Duplicate: Are PHP short tags acceptable to use? I'm just learning php and (been learning for about 6 months) and in a tutorial that I'm going through, it's using php shorthands, so when I looked it up on google, I came to this stack overflow question StackOverflow question where one of the popular answers says that shorthands are bad. I know one of the following commen
可能重复: PHP短标签是否可以使用? 我只是学习PHP和(已学习了大约6个月),并在一个教程,我正在经历,它使用PHP短手,所以当我在谷歌查找它,我来到这个堆栈溢出问题StackOverflow问题在哪里其中一个受欢迎的答案是短裤是不好的。 我知道下面的评论之一,然后表明它不坏,但我也远程记得从一本PHP书阅读之前,它并不总是好的使用它们。 所以我有点困惑,他们不好或不好? 由于便携性,这通常是一个坏主意。 所有PH
Possible Duplicates: Are PHP short tags acceptable to use? Is there a speed difference between <?php echo $var; ?> and <?=$var?>? Imagine a server which has short tags enabled. If so, then is there any performance GAIN or HIT when calculating hundreds of these? A <? echo __("text to be translated") ?> B <?= __("text to be translated") ?> Question: What ar
可能重复: PHP短标签是否可以使用? 是否有<?php echo $ var; ?>和<?= $ var?>? 想象一下启用了短标签的服务器。 如果是这样,那么在计算数百个这样的数据时,是否有GAIN或HIT性能? 一个 <? echo __("text to be translated") ?> 乙 <?= __("text to be translated") ?> 问题:就PHP处理器的强大功能而言,这两者之间有什么区别感谢您的建议。 就PHP处理器的强大功能而言,