3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("a"=>"red","b"=>"green","c"=>"blue"); $found = false; foreach($a as $item) { if($found == false) { preg_match("red",$item); } } echo $found; ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 11
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 11
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 10
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/Ntehs
function name:  (null)
number of ops:  14
compiled vars:  !0 = $a, !1 = $found, !2 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, <false>
    5     2      > FE_RESET_R                                       $5      !0, ->11
          3    > > FE_FETCH_R                                               $5, !2, ->11
    6     4    >   BOOL_NOT                                         ~6      !1
          5      > JMPZ                                                     ~6, ->10
    7     6    >   INIT_FCALL                                               'preg_match'
          7        SEND_VAL                                                 'red'
          8        SEND_VAR                                                 !2
          9        DO_ICALL                                                 
    5    10    > > JMP                                                      ->3
         11    >   FE_FREE                                                  $5
   10    12        ECHO                                                     !1
   11    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.63 ms | 1386 KiB | 15 Q