3v4l.org

run code in 300+ PHP versions simultaneously
<?php $zahlen = ['10', 10]; echo "String Zahl Dump"; var_dump($zahlen[0]); echo "Int Zahl Dump"; var_dump($zahlen[1]); echo "String is_numeric Dump"; var_dump(is_numeric($zahlen[0])); echo "Int is_numeric Dump"; var_dump(is_numeric($zahlen[1])); echo "String is_int Dump"; var_dump(is_int($zahlen[0])); echo "Int is_int Dump"; var_dump(is_int($zahlen[1])); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dRANU
function name:  (null)
number of ops:  40
compiled vars:  !0 = $zahlen
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ECHO                                                     'String+Zahl+Dump'
    6     2        INIT_FCALL                                               'var_dump'
          3        FETCH_DIM_R                                      ~2      !0, 0
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    7     6        ECHO                                                     'Int+Zahl+Dump'
    8     7        INIT_FCALL                                               'var_dump'
          8        FETCH_DIM_R                                      ~4      !0, 1
          9        SEND_VAL                                                 ~4
         10        DO_ICALL                                                 
   10    11        ECHO                                                     'String+is_numeric+Dump'
   11    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'is_numeric'
         14        FETCH_DIM_R                                      ~6      !0, 0
         15        SEND_VAL                                                 ~6
         16        DO_ICALL                                         $7      
         17        SEND_VAR                                                 $7
         18        DO_ICALL                                                 
   12    19        ECHO                                                     'Int+is_numeric+Dump'
   13    20        INIT_FCALL                                               'var_dump'
         21        INIT_FCALL                                               'is_numeric'
         22        FETCH_DIM_R                                      ~9      !0, 1
         23        SEND_VAL                                                 ~9
         24        DO_ICALL                                         $10     
         25        SEND_VAR                                                 $10
         26        DO_ICALL                                                 
   15    27        ECHO                                                     'String+is_int+Dump'
   16    28        INIT_FCALL                                               'var_dump'
         29        FETCH_DIM_R                                      ~12     !0, 0
         30        TYPE_CHECK                                   16  ~13     ~12
         31        SEND_VAL                                                 ~13
         32        DO_ICALL                                                 
   17    33        ECHO                                                     'Int+is_int+Dump'
   18    34        INIT_FCALL                                               'var_dump'
         35        FETCH_DIM_R                                      ~15     !0, 1
         36        TYPE_CHECK                                   16  ~16     ~15
         37        SEND_VAL                                                 ~16
         38        DO_ICALL                                                 
   21    39      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.75 ms | 1396 KiB | 17 Q