3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrays = array( 0 => array( 0 => 'one', 1 => 'two', 2 => 'three' ), 1 => array( 0 => 'four', 1 => 'five', 2 => 'six' ), 2 => array( 0 => 'seven', 1 => 'eight', 2 => 'nine' ) ); $result = array_reduce($arrays, 'array_merge', array()); //$result = call_user_func_array('array_merge', $arrays);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/n4MLo
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arrays, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'array_reduce'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 'array_merge'
          4        SEND_VAL                                                 <array>
          5        DO_ICALL                                         $3      
          6        ASSIGN                                                   !1, $3
   11     7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.46 ms | 1394 KiB | 15 Q