Online PHP editor | output for qjS81

<?php $tst = '!!!!'; $a = '@@@'; $template = '{{$tst}}test{{$a}}'; $Bar = "a"; $Foo = "Bar"; $World = "Foo"; $Hello = "World"; $a = "Hello"; echo $a; //Returns Hello echo $$a; //Returns World echo $$$a; //Returns Foo $t = '$tst'; echo $t.PHP_EOL.$t; /* if (preg_match_all("/{{(.*?)}}/", $template, $m)) { foreach ($m[1] as $i => $varname) { echo strval($varname).PHP_EOL.$m[0][$i].'===='.sprintf('$%s', $varname).PHP_EOL; //$template = str_replace($m[0][$i], ${$varname}, $template); } } $x = '###'.strval($a).PHP_EOL; echo $x; echo $template;*/