3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matrix = [ [1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12], ]; var_export( array_map( null, ...array_chunk( array_merge(...$matrix), count($matrix) ) ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HnqIOp
function name:  (null)
number of ops:  19
compiled vars:  !0 = $matrix
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'var_export'
   11     2        INIT_FCALL                                               'array_map'
   12     3        SEND_VAL                                                 null
   13     4        INIT_FCALL                                               'array_chunk'
   14     5        INIT_FCALL                                               'array_merge'
          6        SEND_UNPACK                                              !0
          7        CHECK_UNDEF_ARGS                                         
          8        DO_ICALL                                         $2      
          9        SEND_VAR                                                 $2
   15    10        COUNT                                            ~3      !0
         11        SEND_VAL                                                 ~3
   13    12        DO_ICALL                                         $4      
   15    13        SEND_UNPACK                                              $4
         14        CHECK_UNDEF_ARGS                                         
   11    15        DO_ICALL                                         $5      
   15    16        SEND_VAR                                                 $5
   10    17        DO_ICALL                                                 
   18    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
135.97 ms | 1000 KiB | 17 Q