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<?php $pos = strpos('PHP 5.6.10', phpversion()); if($pos !== false){ print "<pre>"; $arr = timezone_abbreviations_list(); print_r($arr['wita']); die; } ?>
based on EsHkD
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 18
Branch analysis from position: 9
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DVoPj
function name:  (null)
number of ops:  19
compiled vars:  !0 = $pos, !1 = $arr
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'strpos'
         1        SEND_VAL                                                 'PHP+5.6.10'
         2        INIT_FCALL                                               'phpversion'
         3        DO_ICALL                                         $2      
         4        SEND_VAR                                                 $2
         5        DO_ICALL                                         $3      
         6        ASSIGN                                                   !0, $3
   5     7        IS_NOT_IDENTICAL                                 ~5      !0, <false>
         8      > JMPZ                                                     ~5, ->18
   6     9    >   ECHO                                                     '%3Cpre%3E'
   7    10        INIT_FCALL                                               'timezone_abbreviations_list'
        11        DO_ICALL                                         $6      
        12        ASSIGN                                                   !1, $6
   8    13        INIT_FCALL                                               'print_r'
        14        FETCH_DIM_R                                      $8      !1, 'wita'
        15        SEND_VAR                                                 $8
        16        DO_ICALL                                                 
        17      > EXIT                                                     
  10    18    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0