What does "if($_GET['name'])" mean?
32293
What's the difference between if(!$variable) and if(isset($variable))?
125807
PHP include() with GET attributes (include file.php?q=1)
157611
How to access the form's 'name' variable from PHP
93920
What does @ mean in PHP?
33974
How does true/false work in PHP?
7250
Reference - What does this error mean in PHP?
87814
Is it a bad practice to use a GET parameter (in URL) with no value?
143637
What does ${ } mean in PHP syntax?
105242
Uppercase Booleans vs. Lowercase in PHP
99571
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
43508
Why are $_POST variables getting escaped in PHP?
89588
Why do I need to quote variable for if, but not for echo?
97134
PHP conditionals, brackets needed?
15994
Reference — What does this symbol mean in PHP?
34563
Why does PHP consider 0 to be equal to a string?
52915
Is php's 'include' a function or a statement?
123728
Singular or Plural setting to a variable. PHP