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<?php $data = array ( array(1, 9), array(1, 3), array(1, 5), array(9, 2), array(9, 7), ); $col0 = array_column($data, 0); $col1 = array_column($data, 1); $min0 = min($col0); $min1 = min($col1); $mincol0 = array_intersect($col0, [$min0]); $mincol1 = array_intersect($col1, [$min1]); var_dump(array_keys(array_intersect_key($col1, $mincol0),min(array_intersect_key($col1, $mincol0)))); Var_dump($mincol0, $mincol1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IARil
function name:  (null)
number of ops:  54
compiled vars:  !0 = $data, !1 = $col0, !2 = $col1, !3 = $min0, !4 = $min1, !5 = $mincol0, !6 = $mincol1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        INIT_FCALL                                               'array_column'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 0
          4        DO_ICALL                                         $8      
          5        ASSIGN                                                   !1, $8
   12     6        INIT_FCALL                                               'array_column'
          7        SEND_VAR                                                 !0
          8        SEND_VAL                                                 1
          9        DO_ICALL                                         $10     
         10        ASSIGN                                                   !2, $10
   14    11        INIT_FCALL                                               'min'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $12     
         14        ASSIGN                                                   !3, $12
   15    15        INIT_FCALL                                               'min'
         16        SEND_VAR                                                 !2
         17        DO_ICALL                                         $14     
         18        ASSIGN                                                   !4, $14
   17    19        INIT_FCALL                                               'array_intersect'
         20        SEND_VAR                                                 !1
         21        INIT_ARRAY                                       ~16     !3
         22        SEND_VAL                                                 ~16
         23        DO_ICALL                                         $17     
         24        ASSIGN                                                   !5, $17
   18    25        INIT_FCALL                                               'array_intersect'
         26        SEND_VAR                                                 !2
         27        INIT_ARRAY                                       ~19     !4
         28        SEND_VAL                                                 ~19
         29        DO_ICALL                                         $20     
         30        ASSIGN                                                   !6, $20
   20    31        INIT_FCALL                                               'var_dump'
         32        INIT_FCALL                                               'array_keys'
         33        INIT_FCALL                                               'array_intersect_key'
         34        SEND_VAR                                                 !2
         35        SEND_VAR                                                 !5
         36        DO_ICALL                                         $22     
         37        SEND_VAR                                                 $22
         38        INIT_FCALL                                               'min'
         39        INIT_FCALL                                               'array_intersect_key'
         40        SEND_VAR                                                 !2
         41        SEND_VAR                                                 !5
         42        DO_ICALL                                         $23     
         43        SEND_VAR                                                 $23
         44        DO_ICALL                                         $24     
         45        SEND_VAR                                                 $24
         46        DO_ICALL                                         $25     
         47        SEND_VAR                                                 $25
         48        DO_ICALL                                                 
   22    49        INIT_FCALL                                               'var_dump'
         50        SEND_VAR                                                 !5
         51        SEND_VAR                                                 !6
         52        DO_ICALL                                                 
         53      > RETURN                                                   1

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