UNSET_DIM

PHP code

<?php
/*
 * Unset the entry of array-value, which is specified by index, and store the original element value into "result".
 * opcode number: 75
 */
$a = array(1,2,3);
unset($a[0]);
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$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 UNSET_DIM     $2 !0,0
8 5 RETURN       1
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