What specifically is the double colon used for in PHP?
15994
Reference — What does this symbol mean in PHP?
30206
Where and how is the _ (underscore) variable specified?
61790
What does a colon before a literal in an SQL statement mean?
114915
:: (double colon) operator in Java 8
4615
What does $$ (dollar dollar or double dollar) mean in PHP?
99310
PHP How do I round down to two decimal places?
34563
Why does PHP consider 0 to be equal to a string?
132590
What is the meaning of single and double underscore before an object name?
36293
What's the difference between using single and double quotation marks/inverted commas?
65069
What is the double bracket notation used here?
113557
What is the latex code for the symbol "two colons and equals sign"?
43522
What is the "?" symbol in URL used for in php?
131658
What is ?: in PHP 5.3?
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?
131495
What does ‘::’ (double colon) do in javascript for events?
54339
PHP syntax for dereferencing function result
101645
Usage of double dots (..) Is it formal?