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'{$id'}' confused


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This is actually a PHP question.


PHP has several different ways in which you can specify strings: single quotes, double quotes, HEREDOC, and one other I think.


When using double-quoted or HEREDOC strings, you can use curly brackets as a shortcut to string concatenation.



$somevar = 'Fred';

echo 'Hello, ' . $somevar . "\n";
echo "Hello, " . $somevar . "\n";
echo "Hello, {$somevar}\n";



Those should all produce the same thing.

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