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<?php $template = "<html><head><title>{{head}}</title></head><body>{{body}}</body></html>"; $vars = preg_match("/\{\{[A-Z]\}\}/", $template); var_dump($vars);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LgNKH
function name:  (null)
number of ops:  10
compiled vars:  !0 = $template, !1 = $vars
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Chtml%3E%3Chead%3E%3Ctitle%3E%7B%7Bhead%7D%7D%3C%2Ftitle%3E%3C%2Fhead%3E%3Cbody%3E%7B%7Bbody%7D%7D%3C%2Fbody%3E%3C%2Fhtml%3E'
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5C%7B%5C%7B%5BA-Z%5D%5C%7D%5C%7D%2F'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $3      
          5        ASSIGN                                                   !1, $3
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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