SYMBOL | PHP Phrasebook

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!== operator
     comparing strings
$ (dollar sign)
     in regular expressions
$_COOKIE array
$_FILES array
     uploaded file information, retrieving
$_GET array
     accessing form data 2nd
     Graphical Submit buttons
     magic quotes 2nd
     mandatory fields, validating 2nd
     prefilling text fields 2nd 3rd
     preselecting radio buttons
     preselecting selection lists 2nd
     reading in form data
$_POST array
     accessing form data 2nd
     Graphical Submit buttons
     magic quotes 2nd
     mandatory fields, validating 2nd
     prefilling text fields 2nd 3rd
     preselecting radio buttons
     preselecting selection lists 2nd
$_REQUEST array
     accessing form data 2nd
(...) special character
     in regular expressions
(backslash)
     in regular expressions
* (asterisk)
     in regular expressions
+ (plus sign)
     in regular expressions
. (dot)
     in regular expressions
401 status code
== operator
     comparing strings
=== compare operator
=== operator
     comparing strings 2nd
? (question mark)
     in regular expressions
[...] special character
     in regular expressions
[double quotes] (double quotes)
     in date() function
^ (caret)
     in regular expressions
| (pipe)
     in regular expressions