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<?php $students = Array( Array( 'userId' => 'user1', 'name' => 'Suman Mandal', 'age' => 20, ), Array( 'userId' => 'user2', 'name' => 'Amit Halder', 'age' => 30, ), Array( 'userId' => 'user3', 'name' => 'Asif Rahman', 'age' => 25, ), Array( 'userId' => 'user4', 'name' => 'Gopal Ghosh', 'age' => 21, ) ); $marks = Array( Array( 'userId' => 'user1', 'marks'=>80, ), Array( 'userId' => 'user3', 'marks'=>90, ) ); $students = array_column($students, null, 'userId'); $marks = array_column($marks, null, 'userId'); $marks_sheet = array_intersect_key(array_replace_recursive($students, $marks), $marks); print_r($marks_sheet);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/adrYV
function name:  (null)
number of ops:  27
compiled vars:  !0 = $students, !1 = $marks, !2 = $marks_sheet
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   26     1        ASSIGN                                                   !1, <array>
   39     2        INIT_FCALL                                               'array_column'
          3        SEND_VAR                                                 !0
          4        SEND_VAL                                                 null
          5        SEND_VAL                                                 'userId'
          6        DO_ICALL                                         $5      
          7        ASSIGN                                                   !0, $5
   40     8        INIT_FCALL                                               'array_column'
          9        SEND_VAR                                                 !1
         10        SEND_VAL                                                 null
         11        SEND_VAL                                                 'userId'
         12        DO_ICALL                                         $7      
         13        ASSIGN                                                   !1, $7
   41    14        INIT_FCALL                                               'array_intersect_key'
         15        INIT_FCALL                                               'array_replace_recursive'
         16        SEND_VAR                                                 !0
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $9      
         19        SEND_VAR                                                 $9
         20        SEND_VAR                                                 !1
         21        DO_ICALL                                         $10     
         22        ASSIGN                                                   !2, $10
   42    23        INIT_FCALL                                               'print_r'
         24        SEND_VAR                                                 !2
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

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