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@ 2015-05-08T21:11:50Z

<?php

$x = "foo";
${'"x"'} = "bar";
$doc = "${<<<'HERE'
"x"
HERE
}";

var_dump($doc);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

51.07 ms | 402 KiB | 5 Q