Php/docs/internals2.opcodes.fetch-dim-rw

From Get docs

FETCH_DIM_RW

PHP code

<?php/* * Fetch the value of the element at "index" in "array-value" to store it in "result". * opcode number: 87 */$x = array(1,2,3);$a = 'x';$$a[0]++;?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$x, !1=$a

line # op fetch ext return operands
6 0 INIT_ARRAY     ~0 1
  1 ADD_ARRAY_ELEMENT     ~0 2
  2 ADD_ARRAY_ELEMENT     ~0 3
  3 ASSIGN       !0,~0
7 4 ASSIGN       !1,'x'
8 5 FETCH_DIM_R     $3 !1,0
  6 FETCH_RW local   $4 $3
  7 POST_INC     ~5 $4
  8 FREE       ~5
9 9 RETURN       1