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https://issues.apache.org/jira/browse/THRIFT-1209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15940564#comment-15940564
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Paul Brown commented on THRIFT-1209:
------------------------------------

Here's a link to the relevant part of code: 
https://github.com/apache/thrift/blob/0.10.0/compiler/cpp/src/thrift/generate/t_php_generator.cc#L483

> PHP compiler generates syntax error when for enums containing constant 
> "GLOBAL"
> -------------------------------------------------------------------------------
>
>                 Key: THRIFT-1209
>                 URL: https://issues.apache.org/jira/browse/THRIFT-1209
>             Project: Thrift
>          Issue Type: Bug
>          Components: PHP - Compiler
>    Affects Versions: 0.6.1
>            Reporter: Nicholas Telford
>
> Reported on IRC:
> If an interface calls for an enum that defines a constant that's an invalid 
> identifier in PHP (e.g. "GLOBAL") the generated code contains a syntax error.
> Example, from the Hive Metastore Thrift interface:
> {code}
> enum HiveObjectType {
>   GLOBAL = 1,
>   DATABASE = 2,
>   TABLE = 3,
>   PARTITION = 4,
>   COLUMN = 5,
> }
> {code}
> Generates the following PHP:
> {code}
> final class metastore_HiveObjectType {
>   const GLOBAL = 1;
>   const DATABASE = 2;
>   const TABLE = 3;
>   const PARTITION = 4;
>   const COLUMN = 5;
>   static public $__names = array(
>     1 => 'GLOBAL',
>     2 => 'DATABASE',
>     3 => 'TABLE',
>     4 => 'PARTITION',
>     5 => 'COLUMN',
>   );
> }
> {code}
> I suggest we prefix enum constants to avoid this situation, although this 
> would mean the interface didn't match.



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