How you can include variables in Double-Quoted Strings in PHP?

Submitted by: Administrator
Variables included in double-quoted strings will be interpolated. Their values will be concatenated into the enclosing strings. For example, two statements in the following PHP script will print out the same string:
$variable = "and";
echo "part 1 $variable part 2 ";
echo "part 1 ".$variable." part 2 ";

This script will print:
part 1 and part 2
part 1 and part 2
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