UNSET_VAR

PHP code

<?php
/*
 * Unset the variable and store the original value into "result".
 * opcode number: 74
 */
$x = 1;
$a='x';
unset($$a);
?>

PHP opcodes

Function name: (null)

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

line # op fetch ext return operands
6 0 ASSIGN       !0,1
7 1 ASSIGN       !1,'x'
8 2 UNSET_VAR     $2 !1
9 3 RETURN       1
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