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<?php $t = ucfirst('from'); $meta = [ 'date' => '23.06.2013', ]; $meta['station' + $t] = 'test'; var_dump($meta);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oPgUC
function name:  (null)
number of ops:  12
compiled vars:  !0 = $t, !1 = $meta
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'ucfirst'
          1        SEND_VAL                                                 'from'
          2        DO_ICALL                                         $2      
          3        ASSIGN                                                   !0, $2
    3     4        ASSIGN                                                   !1, <array>
    6     5        ADD                                              ~5      'station', !0
          6        ASSIGN_DIM                                               !1, ~5
          7        OP_DATA                                                  'test'
    7     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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