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<?php $keys = array('name', 'type', 'tmp_name', 'error', 'size'); $fileArr = array('name'); $fileKeys = arary_keys($fileArr); var_dump(empty( array_diff( $fileKeys, $keys) ));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WU3gO
function name:  (null)
number of ops:  15
compiled vars:  !0 = $keys, !1 = $fileArr, !2 = $fileKeys
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <array>
    4     2        INIT_FCALL_BY_NAME                                       'arary_keys'
          3        SEND_VAR_EX                                              !1
          4        DO_FCALL                                      0  $5      
          5        ASSIGN                                                   !2, $5
    5     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'array_diff'
          8        SEND_VAR                                                 !2
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $7      
         11        BOOL_NOT                                         ~8      $7
         12        SEND_VAL                                                 ~8
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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