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<?php $s = ''; for($i=0;$i<1000;$i++) $s .= "abcdefgh"; var_dump(ereg_match('/[-_.0-9A-Za-z]{1,64}@[-_0-9A-Za-z]+[-_.0-9A-Za-z]+/', $s));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/KAIQe
function name:  (null)
number of ops:  15
compiled vars:  !0 = $s, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->5
    5     3    >   ASSIGN_OP                                     8          !0, 'abcdefgh'
    4     4        PRE_INC                                                  !1
          5    >   IS_SMALLER                                               !1, 1000
          6      > JMPNZ                                                    ~6, ->3
    7     7    >   INIT_FCALL                                               'var_dump'
          8        INIT_FCALL_BY_NAME                                       'ereg_match'
          9        SEND_VAL_EX                                              '%2F%5B-_.0-9A-Za-z%5D%7B1%2C64%7D%40%5B-_0-9A-Za-z%5D%2B%5B-_.0-9A-Za-z%5D%2B%2F'
         10        SEND_VAR_EX                                              !0
         11        DO_FCALL                                      0  $7      
         12        SEND_VAR                                                 $7
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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