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<?php var_dump((new ReflectionFunction('fputcsv'))->getNumberOfParameters()); $fp = fopen('php://temp', 'r+'); $res = fputcsv($fp, [1, 2, 3], ',', '"', '\\'); var_dump($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WARpp
function name:  (null)
number of ops:  25
compiled vars:  !0 = $fp, !1 = $res
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        NEW                                                  $2      'ReflectionFunction'
          2        SEND_VAL_EX                                                  'fputcsv'
          3        DO_FCALL                                          0          
          4        INIT_METHOD_CALL                                             $2, 'getNumberOfParameters'
          5        DO_FCALL                                          0  $4      
          6        SEND_VAR                                                     $4
          7        DO_ICALL                                                     
    4     8        INIT_FCALL                                                   'fopen'
          9        SEND_VAL                                                     'php%3A%2F%2Ftemp'
         10        SEND_VAL                                                     'r%2B'
         11        DO_ICALL                                             $6      
         12        ASSIGN                                                       !0, $6
    5    13        INIT_FCALL                                                   'fputcsv'
         14        SEND_VAR                                                     !0
         15        SEND_VAL                                                     <array>
         16        SEND_VAL                                                     '%2C'
         17        SEND_VAL                                                     '%22'
         18        SEND_VAL                                                     '%5C'
         19        DO_ICALL                                             $8      
         20        ASSIGN                                                       !1, $8
    6    21        INIT_FCALL                                                   'var_dump'
         22        SEND_VAR                                                     !1
         23        DO_ICALL                                                     
         24      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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