What is the best practice between using ${var} or $var?
5618
$VAR vs ${VAR} and to quote or not to quote
146466
Is a variable the name, the value, or the memory location?
81279
When to use global $post and other global variables?
105179
Do you prefer "if (var)" or "if (var != 0)"?
68215
Proper use of arbitrary number of variables
38430
In PHP, what does the ${$ } syntax do?
56756
When do you use varargs in Java?
60699
Is there a benefit to defining variables together with a comma vs separately in JavaScript?
131630
Using braces with dynamic variable names in PHP
1091
Use of var keyword in C#
128018
What advantages does using var have over the explicit type in C#?
47449
What is the difference between . (dot) and $ (dollar sign)?
63053
Defining a variable with or without export
54313
What is $() in a command?
110201
Difference between var = {} and var = []?
83501
What is the JavaScript >>> operator used for?
58687
What is the difference between $(command) and `command` in shell programming?