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<?php $array =[ [198765431100000000 => 'Foo'], [1800000000 => 'Robert'], [591000000 => 'albert'], ['4430000000' => 'son'], [1100000000 => 'Anna'], ]; array_multisort( array_map(key(...), $array), $array ); var_export($array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UGntM
function name:  (null)
number of ops:  15
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'array_multisort'
   11     2        INIT_FCALL                                               'array_map'
          3        INIT_FCALL                                               'key'
          4        ZEND_CALLABLE_CONVERT                            ~2      
          5        SEND_VAL                                                 ~2
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $3      
          8        SEND_VAL                                                 $3
   12     9        SEND_REF                                                 !0
   10    10        DO_ICALL                                                 
   14    11        INIT_FCALL                                               'var_export'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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