Php/docs/internals2.opcodes.post-dec

From Get docs

POST_DEC

PHP code

<?php/* * decrements variable indicated by value1 by 1 (after performing other operations) and stores in result * opcode number: 37 */$a--;?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$a

line # op fetch ext return operands
6 0 POST_DEC     ~0 !0
  1 FREE       ~0
7 2 RETURN       1