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<?php $gender = ''; $array = array(); array_filter($array[$gender] = ucwords($gender)); print_r($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ArJgb
function name:  (null)
number of ops:  14
compiled vars:  !0 = $gender, !1 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'array_filter'
          3        INIT_FCALL                                               'ucwords'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $5      
          6        ASSIGN_DIM                                       ~4      !1, !0
          7        OP_DATA                                                  $5
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
    8    10        INIT_FCALL                                               'print_r'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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