3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = '0'; if(empty($var)) { echo "leeg"; } else { echo "Waarde!"; } if(trim($var)=='') { echo "leeg"; } else { echo "waarde"; } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
Branch analysis from position: 13
filename:       /in/2OJGq
function name:  (null)
number of ops:  15
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '0'
    3     1        ISSET_ISEMPTY_CV                                         !0
          2      > JMPZ                                                     ~2, ->5
    4     3    >   ECHO                                                     'leeg'
          4      > JMP                                                      ->6
    6     5    >   ECHO                                                     'Waarde%21'
   10     6    >   INIT_FCALL                                               'trim'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $3      
          9        IS_EQUAL                                                 $3, ''
         10      > JMPZ                                                     ~4, ->13
   11    11    >   ECHO                                                     'leeg'
         12      > JMP                                                      ->14
   13    13    >   ECHO                                                     'waarde'
   15    14    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.68 ms | 1395 KiB | 15 Q