3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (trim(' ')) { echo 'a'; } else { echo 'b'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HhZVN
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'trim'
          1        SEND_VAL                                                 '+'
          2        DO_ICALL                                         $0      
          3      > JMPZ                                                     $0, ->6
    4     4    >   ECHO                                                     'a'
          5      > JMP                                                      ->7
    6     6    >   ECHO                                                     'b'
    7     7    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.62 ms | 1385 KiB | 15 Q