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<?php $query = array( 'a' => 'b', 'c' => 'd' ); var_dump(array_fill_keys($query, array('a'))); var_dump(array_fill_keys($query, array('a' => null)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dVV3Z
function name:  (null)
number of ops:  16
compiled vars:  !0 = $query
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'array_fill_keys'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 <array>
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        DO_ICALL                                                 
    9     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'array_fill_keys'
         10        SEND_VAR                                                 !0
         11        SEND_VAL                                                 <array>
         12        DO_ICALL                                         $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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