PHP &$string - What does this mean?
15994
Reference — What does this symbol mean in PHP?
27679
What does the PHP error message "Notice: Use of undefined constant" mean?
133763
Why is PHP not replacing the variable in string?
93920
What does @ mean in PHP?
20
What does it mean to start a PHP function with an ampersand?
132682
What does a leading zero do for a php int?
120580
What does "=>" mean in PHP?
47400
How are echo and print different in PHP?
92847
What's the deal with a leading underscore in PHP class methods?
35426
Why does echo $$ return a number?
142179
String literals: Where do they go?
25451
What's the difference between :: (double colon) and -> (arrow) in PHP?
67780
Angle brackets in PHP string
4615
What does $$ (dollar dollar or double dollar) mean in PHP?
59623
Understanding PHP & (ampersand, bitwise and) operator
99330
Why do you need $ when accessing array and hash elements in Perl?
155065
What is the "break/continue $var syntax" (will be removed in PHP 5.4)?