ASSIGN_DIM

PHP code

<?php
/*
 * 
 * opcode number: 147
 */
$b = 1;
$a[1][2] = $b;
?>

PHP opcodes

Function name: (null)

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

line # op fetch ext return operands
6 0 ASSIGN       !0,1
7 1 FETCH_DIM_W     $1 !1,1
  2 ZEND_ASSIGN_DIM       $1,2
  3 ZEND_OP_DATA       !0,$3
8 4 RETURN       1
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