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<?php $str = "1.23444"; print strlen(substr(strrchr($str, "."), 1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9YWiG
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '1.23444'
    4     1        INIT_FCALL                                               'substr'
          2        INIT_FCALL                                               'strrchr'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 '.'
          5        DO_ICALL                                         $2      
          6        SEND_VAR                                                 $2
          7        SEND_VAL                                                 1
          8        DO_ICALL                                         $3      
          9        STRLEN                                           ~4      $3
         10        ECHO                                                     ~4
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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