3v4l.org

run code in 300+ PHP versions simultaneously
<?php $descriptions = ''; $tests = array( 'Zika', 'SARS', 'AIDS', 'Mad Cow Disease', 'Bird Flu', 'Zombie Infection', ); foreach ($tests as $value) { $descriptions .= 'name => '.$value.', '; } $descriptions = substr($descriptions, 0, -2); // lose the last comma echo $descriptions;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/OFGF4
function name:  (null)
number of ops:  17
compiled vars:  !0 = $descriptions, !1 = $tests, !2 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, <array>
    8     2      > FE_RESET_R                                       $5      !1, ->8
          3    > > FE_FETCH_R                                               $5, !2, ->8
    9     4    >   CONCAT                                           ~6      'name+%3D%3E+', !2
          5        CONCAT                                           ~7      ~6, '%2C+'
          6        ASSIGN_OP                                     8          !0, ~7
    8     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $5
   11     9        INIT_FCALL                                               'substr'
         10        SEND_VAR                                                 !0
         11        SEND_VAL                                                 0
         12        SEND_VAL                                                 -2
         13        DO_ICALL                                         $9      
         14        ASSIGN                                                   !0, $9
   12    15        ECHO                                                     !0
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
126.95 ms | 1399 KiB | 15 Q