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<?php $values = array(-5,2,3,-8,4,-1,0); array_walk($values, "abs"); ?> ###### Then I wrote this function : <?php function myAbs(&$val){ $val = abs($val); } array_walk($values, "myAbs");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAJoY
function name:  (null)
number of ops:  11
compiled vars:  !0 = $values
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'abs'
          4        DO_ICALL                                                 
    6     5        ECHO                                                     '%0A%0A%23%23%23%23%23%23+Then+I+wrote+this+function+%3A%0A%0A'
   14     6        INIT_FCALL                                               'array_walk'
          7        SEND_REF                                                 !0
          8        SEND_VAL                                                 'myAbs'
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function myabs:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bAJoY
function name:  myAbs
number of ops:  6
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'abs'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4        ASSIGN                                                   !0, $1
   13     5      > RETURN                                                   null

End of function myabs

Generated using Vulcan Logic Dumper, using php 8.0.0


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