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<?php $mainArray = array( 0 =>array( "key1" => array(7,4,5), 'key2' => array('cc','aa') ) ); foreach($mainArray as &$secondArray){ array_multisort($secondArray[$key]); } var_dump($mainArray); ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/IK5d7
function name:  (null)
number of ops:  13
compiled vars:  !0 = $mainArray, !1 = $secondArray, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    9     1      > FE_RESET_RW                                      $4      !0, ->8
          2    > > FE_FETCH_RW                                              $4, !1, ->8
   10     3    >   INIT_FCALL                                               'array_multisort'
          4        FETCH_DIM_W                                      $5      !1, !2
          5        SEND_REF                                                 $5
          6        DO_ICALL                                                 
    9     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $4
   13     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
   15    12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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162.99 ms | 1394 KiB | 17 Q