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<?php error_reporting(-1); function foo ($varPrefix, $values = null, $lineno, $tag = null) { echo "Yes"; } foo (1,2,3,4);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qj9d1
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                                 
    6     3        INIT_FCALL                                               'foo'
          4        SEND_VAL                                                 1
          5        SEND_VAL                                                 2
          6        SEND_VAL                                                 3
          7        SEND_VAL                                                 4
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qj9d1
function name:  foo
number of ops:  6
compiled vars:  !0 = $varPrefix, !1 = $values, !2 = $lineno, !3 = $tag
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV_INIT                                        !1      null
          2        RECV                                             !2      
          3        RECV_INIT                                        !3      null
    4     4        ECHO                                                     'Yes'
    5     5      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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