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<?php $data = ['locale_date' => 'date']; $x = array_intersect_key($data, [ 'locale_date' => 1, 'locale_time' => 1, 'locale_datetime' => 1, ]); print_r(reset($x));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SKIH2
function name:  (null)
number of ops:  13
compiled vars:  !0 = $data, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'array_intersect_key'
          2        SEND_VAR                                                 !0
    6     3        SEND_VAL                                                 <array>
          4        DO_ICALL                                         $3      
    5     5        ASSIGN                                                   !1, $3
   10     6        INIT_FCALL                                               'print_r'
          7        INIT_FCALL                                               'reset'
          8        SEND_REF                                                 !1
          9        DO_ICALL                                         $5      
         10        SEND_VAR                                                 $5
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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