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<?php $size = '30 MB'; $value = substr($size, 0, -2); $unit = trim(substr($size, -2, 1)); var_dump($value); var_dump($unit);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Nlio3
function name:  (null)
number of ops:  23
compiled vars:  !0 = $size, !1 = $value, !2 = $unit
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '30+MB'
    5     1        INIT_FCALL                                               'substr'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 0
          4        SEND_VAL                                                 -2
          5        DO_ICALL                                         $4      
          6        ASSIGN                                                   !1, $4
    6     7        INIT_FCALL                                               'trim'
          8        INIT_FCALL                                               'substr'
          9        SEND_VAR                                                 !0
         10        SEND_VAL                                                 -2
         11        SEND_VAL                                                 1
         12        DO_ICALL                                         $6      
         13        SEND_VAR                                                 $6
         14        DO_ICALL                                         $7      
         15        ASSIGN                                                   !2, $7
    7    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                                 
    8    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !2
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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