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PHP error using variables in quotes_PHP Tutorial

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Release: 2016-07-21 15:46:22
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When you see the error message
syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING
, this prompt indicates a problem with variable usage.
What happened to me was that an array was used in the statement, causing it to fail. Let’s look at the failed code below;
echo "I am an array, $n['x']";
?>
In this way, the instant double quotes can parse the variables , but the writing method of element group cannot be parsed. Just modify it to the following!
echo "I am an array, {$n['x']}";
?>
Adding curly braces {} allows the statement to identify that it is dynamic of.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/320146.htmlTechArticleWhen you see the error message syntax error, unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_STRING, this prompt is to prompt the use of variables. problem. And I show up...
source:php.cn
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