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<?php function isStringOnlyAZSPACE($the_string) { $valid_chars = array('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',' '); $the_string = str_replace($valid_chars, "", $the_string); return (strlen($the_string)==0); } echo isStringOnlyAZSPACE("ST MARY'S")?"true":"false"; // FALSE echo "\n"; echo isStringOnlyAZSPACE("ST MARYS")?"true":"false"; // TRUE ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
Branch analysis from position: 15
filename:       /in/RlHdK
function name:  (null)
number of ops:  18
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                                   'isstringonlyazspace'
          1        SEND_VAL                                                     'ST+MARY%27S'
          2        DO_FCALL                                          0  $0      
          3      > JMPZ                                                         $0, ->6
          4    >   QM_ASSIGN                                            ~1      'true'
          5      > JMP                                                          ->7
          6    >   QM_ASSIGN                                            ~1      'false'
          7    >   ECHO                                                         ~1
   16     8        ECHO                                                         '%0A'
   17     9        INIT_FCALL                                                   'isstringonlyazspace'
         10        SEND_VAL                                                     'ST+MARYS'
         11        DO_FCALL                                          0  $2      
         12      > JMPZ                                                         $2, ->15
         13    >   QM_ASSIGN                                            ~3      'true'
         14      > JMP                                                          ->16
         15    >   QM_ASSIGN                                            ~3      'false'
         16    >   ECHO                                                         ~3
   18    17      > RETURN                                                       1

Function isstringonlyazspace:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RlHdK
function name:  isStringOnlyAZSPACE
number of ops:  9
compiled vars:  !0 = $the_string, !1 = $valid_chars
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   RECV                                                 !0      
    5     1        ASSIGN                                                       !1, <array>
    7     2        FRAMELESS_ICALL_3                str_replace         ~3      !1, ''
          3        OP_DATA                                                      !0
          4        ASSIGN                                                       !0, ~3
    9     5        STRLEN                                               ~5      !0
          6        IS_EQUAL                                             ~6      ~5, 0
          7      > RETURN                                                       ~6
   10     8*     > RETURN                                                       null

End of function isstringonlyazspace

Generated using Vulcan Logic Dumper, using php 8.5.0


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