3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom=new DOMDocument("1.0","UTF-8"); $dom->formatOutput=true; $root=$dom->createElement("xml"); $dom->appendChild($root); $child1=$dom->createElement("child1"); $root->appendChild($child1); $node=$dom->createElement("child2"); $node->appendChild($dom->createTextNode("value")); $child1->appendChild($node); $node=$dom->createElement("noValue"); $child1->appendChild($node); echo $dom->saveXML($dom,LIBXML_NOEMPTYTAG);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/38Y34
function name:  (null)
number of ops:  47
compiled vars:  !0 = $dom, !1 = $root, !2 = $child1, !3 = $node
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $4      'DOMDocument'
          1        SEND_VAL_EX                                              '1.0'
          2        SEND_VAL_EX                                              'UTF-8'
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !0, $4
    3     5        ASSIGN_OBJ                                               !0, 'formatOutput'
          6        OP_DATA                                                  <true>
    4     7        INIT_METHOD_CALL                                         !0, 'createElement'
          8        SEND_VAL_EX                                              'xml'
          9        DO_FCALL                                      0  $8      
         10        ASSIGN                                                   !1, $8
    5    11        INIT_METHOD_CALL                                         !0, 'appendChild'
         12        SEND_VAR_EX                                              !1
         13        DO_FCALL                                      0          
    6    14        INIT_METHOD_CALL                                         !0, 'createElement'
         15        SEND_VAL_EX                                              'child1'
         16        DO_FCALL                                      0  $11     
         17        ASSIGN                                                   !2, $11
    7    18        INIT_METHOD_CALL                                         !1, 'appendChild'
         19        SEND_VAR_EX                                              !2
         20        DO_FCALL                                      0          
    8    21        INIT_METHOD_CALL                                         !0, 'createElement'
         22        SEND_VAL_EX                                              'child2'
         23        DO_FCALL                                      0  $14     
         24        ASSIGN                                                   !3, $14
    9    25        INIT_METHOD_CALL                                         !3, 'appendChild'
         26        INIT_METHOD_CALL                                         !0, 'createTextNode'
         27        SEND_VAL_EX                                              'value'
         28        DO_FCALL                                      0  $16     
         29        SEND_VAR_NO_REF_EX                                       $16
         30        DO_FCALL                                      0          
   10    31        INIT_METHOD_CALL                                         !2, 'appendChild'
         32        SEND_VAR_EX                                              !3
         33        DO_FCALL                                      0          
   11    34        INIT_METHOD_CALL                                         !0, 'createElement'
         35        SEND_VAL_EX                                              'noValue'
         36        DO_FCALL                                      0  $19     
         37        ASSIGN                                                   !3, $19
   12    38        INIT_METHOD_CALL                                         !2, 'appendChild'
         39        SEND_VAR_EX                                              !3
         40        DO_FCALL                                      0          
   13    41        INIT_METHOD_CALL                                         !0, 'saveXML'
         42        SEND_VAR_EX                                              !0
         43        SEND_VAL_EX                                              4
         44        DO_FCALL                                      0  $22     
         45        ECHO                                                     $22
         46      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.42 ms | 1399 KiB | 13 Q