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<?php $ls = "<SHOP> <SHOPITEM> <ITEM_ID>item id</ITEM_ID> <SKU>item SKU </SKU> <PRODUCT>Product name</PRODUCT> <DESCRIPTION>Item descirption</DESCRIPTION> <URL> https://www.itemurl.com/item </URL> <IMGURL> https://www.itemurl.com/itemimg.jpg </IMGURL> <IMG_ALTERNATIVE> https://www.itemurl.com/itemimg2.jpg </IMG_ALTERNATIVE> <IMG_ALTERNATIVE> https://www.itemurl.com/itemimg3.jpg </IMG_ALTERNATIVE>"; preg_match('/<IMG_ALTERNATIVE>\r?\n(.*)\r?\n<\/IMG_ALTERNATIVE>/', $ls, $matches); print_r($matches);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uatdY
function name:  (null)
number of ops:  10
compiled vars:  !0 = $ls, !1 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3CSHOP%3E%0A%3CSHOPITEM%3E%0A%3CITEM_ID%3Eitem+id%3C%2FITEM_ID%3E%0A%3CSKU%3Eitem+SKU+%3C%2FSKU%3E%0A%3CPRODUCT%3EProduct+name%3C%2FPRODUCT%3E%0A%3CDESCRIPTION%3EItem+descirption%3C%2FDESCRIPTION%3E%0A%3CURL%3E%0Ahttps%3A%2F%2Fwww.itemurl.com%2Fitem%0A%3C%2FURL%3E%0A%3CIMGURL%3E%0Ahttps%3A%2F%2Fwww.itemurl.com%2Fitemimg.jpg%0A%3C%2FIMGURL%3E%0A%3CIMG_ALTERNATIVE%3E%0Ahttps%3A%2F%2Fwww.itemurl.com%2Fitemimg2.jpg%0A%3C%2FIMG_ALTERNATIVE%3E%0A%3CIMG_ALTERNATIVE%3E%0Ahttps%3A%2F%2Fwww.itemurl.com%2Fitemimg3.jpg%0A%3C%2FIMG_ALTERNATIVE%3E'
   22     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%3CIMG_ALTERNATIVE%3E%5Cr%3F%5Cn%28.%2A%29%5Cr%3F%5Cn%3C%5C%2FIMG_ALTERNATIVE%3E%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
   23     6        INIT_FCALL                                               'print_r'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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