<?php 
 
$i = 10; 
--$i; 
-- $i; 
-- /*comment*/ $i; 
++$i; 
++  
   $i; 
++/*comment*/$i; 
 
$i--; 
$i        --; 
$i /*comment*/ --; 
$i++; 
$i ++; 
$i /*comment*/ ++; 
 
// Handle properties and array access too. 
$i['key']++; 
$i['key'] ++; 
$i['key']['id']++; 
$i['key']['id'] ++; 
 
$obj->prop++; 
$obj->prop ++; 
$obj?->prop ++; 
 
$obj->obj->prop++; 
$obj->obj->prop ++; 
$obj?->obj->prop ++; 
 
$obj->prop['key']++; 
$obj->prop['key'] ++; 
 
--ClassName::$prop; 
-- ClassName::$prop; 
 
getObject()->count 
++; 
getObject()->count++; 
++ getObject()->count; 
++getObject()->count; 
 
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