3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1 => 'monkey', 2 => 'giraffe', 3 => 'lion', 4 => 'walrus', 5 => 'zebra', 6 => 'narwhal']; $arr += array_splice($arr, array_search('walrus', array_keys($arr)), 1); var_export($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XV8YD
function name:  (null)
number of ops:  18
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_splice'
          2        SEND_REF                                                 !0
          3        INIT_FCALL                                               'array_search'
          4        SEND_VAL                                                 'walrus'
          5        INIT_FCALL                                               'array_keys'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        SEND_VAL                                                 1
         12        DO_ICALL                                         $4      
         13        ASSIGN_OP                                     1          !0, $4
    5    14        INIT_FCALL                                               'var_export'
         15        SEND_VAR                                                 !0
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
128.54 ms | 1399 KiB | 21 Q