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<?php $foo = [true, false, true]; $bar = ['joe', 'paul', 'steve']; $result = array_intersect_keys($bar, array_filter($foo)); var_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3u31n
function name:  (null)
number of ops:  14
compiled vars:  !0 = $foo, !1 = $bar, !2 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL_BY_NAME                                       'array_intersect_keys'
          3        SEND_VAR_EX                                              !1
          4        INIT_FCALL                                               'array_filter'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        SEND_VAR_NO_REF_EX                                       $5
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !2, $6
    8    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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