3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = <<<XML <data> <prod id="1"> <layer id="layer_0" imgSRC="data/361_layer_0.png"/> <layer id="layer_1" imgSRC="data/362_layer_0.png"/> <layer id="layer_2" imgSRC="data/363_layer_0.png"/> </prod> <prod id="2"> <layer id="layer_0" imgSRC="data/361_layer_0.png"/> <layer id="layer_1" imgSRC="data/362_layer_0.png"/> <layer id="layer_2" imgSRC="data/363_layer_0.png"/> </prod> </data> XML; $xml = simplexml_load_string($x); // assuming XML in $x $node = $xml->xpath("//prod[@id='2']/layer[@id='layer_2']")[0]; $new = $node->addChild("layer",""); $new->addAttribute("id", "layer_3"); var_dump ($new);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/nGbO2
function name:  (null)
number of ops:  23
compiled vars:  !0 = $x, !1 = $xml, !2 = $node, !3 = $new
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3Cdata%3E%0A++++%3Cprod+id%3D%221%22%3E%0A+++++++%3Clayer+id%3D%22layer_0%22+imgSRC%3D%22data%2F361_layer_0.png%22%2F%3E%0A+++++++%3Clayer+id%3D%22layer_1%22+imgSRC%3D%22data%2F362_layer_0.png%22%2F%3E%0A+++++++%3Clayer+id%3D%22layer_2%22+imgSRC%3D%22data%2F363_layer_0.png%22%2F%3E%0A+++++%3C%2Fprod%3E%0A+++++%3Cprod+id%3D%222%22%3E%0A+++++++%3Clayer+id%3D%22layer_0%22+imgSRC%3D%22data%2F361_layer_0.png%22%2F%3E%0A+++++++%3Clayer+id%3D%22layer_1%22+imgSRC%3D%22data%2F362_layer_0.png%22%2F%3E%0A+++++++%3Clayer+id%3D%22layer_2%22+imgSRC%3D%22data%2F363_layer_0.png%22%2F%3E%0A+++++%3C%2Fprod%3E%0A%3C%2Fdata%3E'
   17     1        INIT_FCALL                                               'simplexml_load_string'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $5      
          4        ASSIGN                                                   !1, $5
   18     5        INIT_METHOD_CALL                                         !1, 'xpath'
          6        SEND_VAL_EX                                              '%2F%2Fprod%5B%40id%3D%272%27%5D%2Flayer%5B%40id%3D%27layer_2%27%5D'
          7        DO_FCALL                                      0  $7      
          8        FETCH_DIM_R                                      ~8      $7, 0
          9        ASSIGN                                                   !2, ~8
   20    10        INIT_METHOD_CALL                                         !2, 'addChild'
         11        SEND_VAL_EX                                              'layer'
         12        SEND_VAL_EX                                              ''
         13        DO_FCALL                                      0  $10     
         14        ASSIGN                                                   !3, $10
   21    15        INIT_METHOD_CALL                                         !3, 'addAttribute'
         16        SEND_VAL_EX                                              'id'
         17        SEND_VAL_EX                                              'layer_3'
         18        DO_FCALL                                      0          
   23    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !3
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.19 ms | 1400 KiB | 17 Q