3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(mb_substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34, "UTF-8")); var_dump(mb_substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34, "UTF-8"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Zv0oj
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL                                                   'mb_substr'
          2        SEND_VAL                                                     'Diagn%C3%B3stico%3A+Infecci%C3%B3n+del+mu%C3%B1%C3%B3n%2C+infracondilea+izquierda%0A'
          3        SEND_VAL                                                     0
          4        SEND_VAL                                                     34
          5        SEND_VAL                                                     'UTF-8'
          6        DO_ICALL                                             $0      
          7        SEND_VAR                                                     $0
          8        DO_ICALL                                                     
    4     9        INIT_FCALL                                                   'var_dump'
         10        INIT_FCALL                                                   'mb_substr'
         11        SEND_VAL                                                     'Diagn%C3%B3stico%3A+Infecci%C3%B3n+del+mu%C3%B1%C3%B3n%2C+infracondilea+izquierda%0A'
         12        SEND_VAL                                                     0
         13        SEND_VAL                                                     34
         14        SEND_VAL                                                     'UTF-8'
         15        DO_ICALL                                             $2      
         16        SEND_VAR                                                     $2
         17        DO_ICALL                                                     
         18      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
156.02 ms | 1453 KiB | 10 Q