What is the difference between $var and $$var in PHP?
Submitted by: Muhammad$$var sets the value of $var as a variable.
$day='monday';
$$day='first day of week';
echo $monday; //outputs 'first day of week'
Submitted by: Muhammad
$day='monday';
$$day='first day of week';
echo $monday; //outputs 'first day of week'
Submitted by: Muhammad
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