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<?php $str = "Peter (1) (143) Peter (2) (144) Daniel (12) "; preg_match_all("/\((\d+)\)$/m", $str, $match); echo max($match[1]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RiW36
function name:  (null)
number of ops:  12
compiled vars:  !0 = $str, !1 = $match
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'Peter+%281%29+%28143%29%0APeter+%282%29+%28144%29%0ADaniel+%2812%29%0A'
    6     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5C%28%28%5Cd%2B%29%5C%29%24%2Fm'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'max'
          7        FETCH_DIM_R                                      ~4      !1, 1
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                         $5      
         10        ECHO                                                     $5
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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