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<?php $ref = new ReflectionFunction('array_unique'); var_dump(count($ref->getParameters())); // outputs "1" in the PHP runtime $ref = new ReflectionFunction('array_search'); var_dump(count($ref->getParameters())); // always outputs "3"
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Tj5cj
function name:  (null)
number of ops:  21
compiled vars:  !0 = $ref
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NEW                                              $1      :37
         1        SEND_VAL_EX                                              'array_unique'
         2        DO_FCALL                                      0          
         3        QM_ASSIGN                                                !0
   4     4        INIT_FCALL                                               'var_dump'
         5        INIT_METHOD_CALL                                         !0, 'getParameters'
         6        DO_FCALL                                      0  $4      
         7        COUNT                                            ~5      $4
         8        SEND_VAL                                                 ~5
         9        DO_ICALL                                                 
   6    10        NEW                                              $7      :23
        11        SEND_VAL_EX                                              'array_search'
        12        DO_FCALL                                      0          
        13        QM_ASSIGN                                                !0
   7    14        INIT_FCALL                                               'var_dump'
        15        INIT_METHOD_CALL                                         !0, 'getParameters'
        16        DO_FCALL                                      0  $10     
        17        COUNT                                            ~11     $10
        18        SEND_VAL                                                 ~11
        19        DO_ICALL                                                 
        20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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