what is difference between $variable and $$variable in php?
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$variable is a normal
Sun, 06/22/2008 - 17:48 — admin$variable is a normal variable
$$variable takes the value of a variable and treats that as the name of a variable
eg: $var = 'welcome';
echo $var //prints welcome
$$var = 'to programmingfaqs';
echo "$var ${$var}"; //prints welcome to programmingfaqs
echo "$var $welcome"; //prints welcome to programmingfaqs