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<?php $href = "/test/link"; $file = "/media/doc/doc.pdf"; echo substr($href, -1, 1), PHP_EOL; echo pathinfo($href, PATHINFO_EXTENSION), PHP_EOL; echo substr($file, -1, 1), PHP_EOL; var_dump(empty(pathinfo($file, PATHINFO_EXTENSION)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gGf1G
function name:  (null)
number of ops:  31
compiled vars:  !0 = $href, !1 = $file
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%2Ftest%2Flink'
    4     1        ASSIGN                                                   !1, '%2Fmedia%2Fdoc%2Fdoc.pdf'
    6     2        INIT_FCALL                                               'substr'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 -1
          5        SEND_VAL                                                 1
          6        DO_ICALL                                         $4      
          7        ECHO                                                     $4
          8        ECHO                                                     '%0A'
    7     9        INIT_FCALL                                               'pathinfo'
         10        SEND_VAR                                                 !0
         11        SEND_VAL                                                 4
         12        DO_ICALL                                         $5      
         13        ECHO                                                     $5
         14        ECHO                                                     '%0A'
    9    15        INIT_FCALL                                               'substr'
         16        SEND_VAR                                                 !1
         17        SEND_VAL                                                 -1
         18        SEND_VAL                                                 1
         19        DO_ICALL                                         $6      
         20        ECHO                                                     $6
         21        ECHO                                                     '%0A'
   10    22        INIT_FCALL                                               'var_dump'
         23        INIT_FCALL                                               'pathinfo'
         24        SEND_VAR                                                 !1
         25        SEND_VAL                                                 4
         26        DO_ICALL                                         $7      
         27        BOOL_NOT                                         ~8      $7
         28        SEND_VAL                                                 ~8
         29        DO_ICALL                                                 
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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