Added missing return statement to AbstractCommand. #566
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The
AbstractCommand::execute()
andexecuteSchemaCommand()
method should return aninteger
ornull
.Although in PHP, omitting the
return
statement is equivalent to returningnull
, it is recommended to put an explicitreturn
to clearly differentiate it fromreturn void
.I've added
return 0;
here, keeping the existent behavior.