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<?php print_r(str_split('', 1)); print_r(mb_str_split('', 1)); print_r(mb_str_split('', 1, 'UTF-8')); print_r(mb_str_split('', 1, 'ASCII')); print_r(array_chunk(array(), 1));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1WsGi
function name:  (null)
number of ops:  38
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'print_r'
          1        INIT_FCALL                                                   'str_split'
          2        SEND_VAL                                                     ''
          3        SEND_VAL                                                     1
          4        DO_ICALL                                             $0      
          5        SEND_VAR                                                     $0
          6        DO_ICALL                                                     
    4     7        INIT_FCALL                                                   'print_r'
          8        INIT_FCALL                                                   'mb_str_split'
          9        SEND_VAL                                                     ''
         10        SEND_VAL                                                     1
         11        DO_ICALL                                             $2      
         12        SEND_VAR                                                     $2
         13        DO_ICALL                                                     
    5    14        INIT_FCALL                                                   'print_r'
         15        INIT_FCALL                                                   'mb_str_split'
         16        SEND_VAL                                                     ''
         17        SEND_VAL                                                     1
         18        SEND_VAL                                                     'UTF-8'
         19        DO_ICALL                                             $4      
         20        SEND_VAR                                                     $4
         21        DO_ICALL                                                     
    6    22        INIT_FCALL                                                   'print_r'
         23        INIT_FCALL                                                   'mb_str_split'
         24        SEND_VAL                                                     ''
         25        SEND_VAL                                                     1
         26        SEND_VAL                                                     'ASCII'
         27        DO_ICALL                                             $6      
         28        SEND_VAR                                                     $6
         29        DO_ICALL                                                     
    7    30        INIT_FCALL                                                   'print_r'
         31        INIT_FCALL                                                   'array_chunk'
         32        SEND_VAL                                                     <array>
         33        SEND_VAL                                                     1
         34        DO_ICALL                                             $8      
         35        SEND_VAR                                                     $8
         36        DO_ICALL                                                     
         37      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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