Points get transformed into underscores php $_GET?
2111
Get PHP to stop replacing '.' characters in $_GET or $_POST arrays?
43978
Underscore _ as variable name in Python
91847
how to replace special characters with the ones they're based on in PHP?
131630
Using braces with dynamic variable names in PHP
132590
What is the meaning of single and double underscore before an object name?
43522
What is the "?" symbol in URL used for in php?
143654
'At' symbol before variable name in PHP: @$_POST
62955
PHP json_decode notation issue
60222
Weird PHP floating point behavior
58889
Underscores in custom fields
108227
Why php iteration by reference returns a duplicate last record?
146013
How do I get the key values from $_POST?
15994
Reference — What does this symbol mean in PHP?
34563
Why does PHP consider 0 to be equal to a string?
53458
Handle $_GET requests with Clean URLs
152592
How to get the value from the GET parameters?
98830
Synthesized property and variable with underscore prefix: what does this mean?