3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = array( 'test1', 't1;t2;t3', '', null, ); foreach ( $tests as $i => $str ) { var_dump(array_shift(explode(';',$str))); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 15
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 15
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/NtkbK
function name:  (null)
number of ops:  17
compiled vars:  !0 = $tests, !1 = $str, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_R                                       $4      !0, ->15
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->15
          3    >   ASSIGN                                                   !2, ~5
   10     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'array_shift'
          6        INIT_FCALL                                               'explode'
          7        SEND_VAL                                                 '%3B'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                         $7      
         10        SEND_VAR_NO_REF                               0          $7
         11        DO_ICALL                                         $8      
         12        SEND_VAR                                                 $8
         13        DO_ICALL                                                 
    9    14      > JMP                                                      ->2
         15    >   FE_FREE                                                  $4
   11    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.39 ms | 1395 KiB | 19 Q