3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare (strict_types = 1); $doc = new \DOMDocument('1.0'); $doc->loadXML('<foo><bar>baz</bar></foo>'); $xpath = new \DOMXPath($doc); if (version_compare(PHP_VERSION, '7.0.2') === 0) { $node = $xpath->query('/foo')->item(0)->cloneNode(true); } else { $node = $xpath->query('/foo')->item(0)->cloneNode(1); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 17, Position 2 = 28
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 38
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RlGmZ
function name:  (null)
number of ops:  39
compiled vars:  !0 = $doc, !1 = $xpath, !2 = $node
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   NEW                                              $3      'DOMDocument'
          1        SEND_VAL_EX                                              '1.0'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    6     4        INIT_METHOD_CALL                                         !0, 'loadXML'
          5        SEND_VAL_EX                                              '%3Cfoo%3E%3Cbar%3Ebaz%3C%2Fbar%3E%3C%2Ffoo%3E'
          6        DO_FCALL                                      0          
    8     7        NEW                                              $7      'DOMXPath'
          8        SEND_VAR_EX                                              !0
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $7
   10    11        INIT_FCALL                                               'version_compare'
         12        SEND_VAL                                                 '8.0.0'
         13        SEND_VAL                                                 '7.0.2'
         14        DO_ICALL                                         $10     
         15        IS_IDENTICAL                                             $10, 0
         16      > JMPZ                                                     ~11, ->28
   11    17    >   INIT_METHOD_CALL                                         !1, 'query'
         18        SEND_VAL_EX                                              '%2Ffoo'
         19        DO_FCALL                                      0  $12     
         20        INIT_METHOD_CALL                                         $12, 'item'
         21        SEND_VAL_EX                                              0
         22        DO_FCALL                                      0  $13     
         23        INIT_METHOD_CALL                                         $13, 'cloneNode'
         24        SEND_VAL_EX                                              <true>
         25        DO_FCALL                                      0  $14     
         26        ASSIGN                                                   !2, $14
         27      > JMP                                                      ->38
   13    28    >   INIT_METHOD_CALL                                         !1, 'query'
         29        SEND_VAL_EX                                              '%2Ffoo'
         30        DO_FCALL                                      0  $16     
         31        INIT_METHOD_CALL                                         $16, 'item'
         32        SEND_VAL_EX                                              0
         33        DO_FCALL                                      0  $17     
         34        INIT_METHOD_CALL                                         $17, 'cloneNode'
         35        SEND_VAL_EX                                              1
         36        DO_FCALL                                      0  $18     
         37        ASSIGN                                                   !2, $18
   14    38    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.16 ms | 1388 KiB | 15 Q