3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "ciao mondo - Note: addio"; preg_match("/.*-\sNote:\s(.+)/", $a, $res); $val = strpos($a, "- Note: "); $len = strlen($a); if ($len > $val +1) { echo " SI <br> $len > $val"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 21
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
filename:       /in/O3SXJ
function name:  (null)
number of ops:  22
compiled vars:  !0 = $a, !1 = $res, !2 = $val, !3 = $len
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'ciao%0Amondo+-+Note%3A+addio'
    8     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F.%2A-%5CsNote%3A%5Cs%28.%2B%29%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
   10     6        INIT_FCALL                                               'strpos'
          7        SEND_VAR                                                 !0
          8        SEND_VAL                                                 '-+Note%3A+'
          9        DO_ICALL                                         $6      
         10        ASSIGN                                                   !2, $6
   11    11        STRLEN                                           ~8      !0
         12        ASSIGN                                                   !3, ~8
   12    13        ADD                                              ~10     !2, 1
         14        IS_SMALLER                                               ~10, !3
         15      > JMPZ                                                     ~11, ->21
   13    16    >   ROPE_INIT                                     4  ~13     '+SI+%3Cbr%3E+'
         17        ROPE_ADD                                      1  ~13     ~13, !3
         18        ROPE_ADD                                      2  ~13     ~13, '+%3E+'
         19        ROPE_END                                      3  ~12     ~13, !2
         20        ECHO                                                     ~12
   14    21    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.75 ms | 1395 KiB | 17 Q