3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 'id' => '4', 'realid' => '4', 'address_rev' => NULL, 'relation_data_id' => '3', 'contact_set_rev' => '3', 'business_data_rev' => '4', 'private_data_rev' => NULL, // etc.. ); $variableName = 'MyVariable'; // Create new variable with the name defined in variable $variableName ${$variableName} = $a['id']; $s = "aaaa = ${$variableName}"; echo $s; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZB4oi
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $variableName, !2 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   13     1        ASSIGN                                                   !1, 'MyVariable'
   15     2        FETCH_DIM_R                                      ~6      !0, 'id'
          3        FETCH_W                      local               $5      !1
          4        ASSIGN                                                   $5, ~6
   17     5        NOP                                                      
          6        FETCH_R                      local               ~8      !1
          7        FAST_CONCAT                                      ~9      'aaaa+%3D+', ~8
          8        ASSIGN                                                   !2, ~9
   18     9        ECHO                                                     !2
   19    10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.95 ms | 1393 KiB | 13 Q