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<?php $string = '{IF bla}Text 1{ELSEIF ble}Text 2 {IF bli}Text 2.1{ELSE blo}Text 2.1{ENDIF} Main text end{/ENDIF}'; var_dump(preg_match('#\{IF .*\}.*\{ENDIF\}#is',$string,$m)); var_dump($m);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5V6gg
function name:  (null)
number of ops:  13
compiled vars:  !0 = $string, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%7BIF+bla%7DText+1%7BELSEIF+ble%7DText+2+%7BIF+bli%7DText+2.1%7BELSE+blo%7DText+2.1%7BENDIF%7D+Main+text+end%7B%2FENDIF%7D'
    3     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'preg_match'
          3        SEND_VAL                                                 '%23%5C%7BIF+.%2A%5C%7D.%2A%5C%7BENDIF%5C%7D%23is'
          4        SEND_VAR                                                 !0
          5        SEND_REF                                                 !1
          6        DO_ICALL                                         $3      
          7        SEND_VAR                                                 $3
          8        DO_ICALL                                                 
    4     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !1
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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