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  1. <?php
  2.  
  3. $matrix[1][1]=4.54; $matrix[2][1]="apples"; $matrix[3][1]="coles"; 
  4. $matrix[1][2]=7.2140230; $matrix[2][2]="apples"; $matrix[3][2]="safeway"; 
  5. $matrix[1][3]=15.56; $matrix[2][3]="oranges"; $matrix[3][3]="coles"; 
  6. $matrix[1][4]=2.34; $matrix[2][4]="bananas"; $matrix[3][4]="safeway"; 
  7. $matrix[1][5]=27.98; $matrix[2][5]="grapes"; $matrix[3][5]="coles"; 
  8. $matrix[1][6]=17.68493403; $matrix[2][6]="oranges"; $matrix[3][6]="safeway";
  9.  
  10. $sortedMatrix = $matrix;
  11.  
  12. array_multisort(
  13.     $sortedMatrix[1], SORT_ASC, SORT_NUMERIC,
  14.     $sortedMatrix[2], SORT_ASC, SORT_STRING,
  15.     $sortedMatrix[3], SORT_ASC, SORT_STRING
  16. );
  17.  
  18. var_dump($matrix);
  19. var_dump($sortedMatrix);
  20.  
  21. ?>
Success #stdin #stdout 0.01s 20520KB
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array(3) {
  [1]=>
  array(6) {
    [1]=>
    float(4.54)
    [2]=>
    float(7.214023)
    [3]=>
    float(15.56)
    [4]=>
    float(2.34)
    [5]=>
    float(27.98)
    [6]=>
    float(17.68493403)
  }
  [2]=>
  array(6) {
    [1]=>
    string(6) "apples"
    [2]=>
    string(6) "apples"
    [3]=>
    string(7) "oranges"
    [4]=>
    string(7) "bananas"
    [5]=>
    string(6) "grapes"
    [6]=>
    string(7) "oranges"
  }
  [3]=>
  array(6) {
    [1]=>
    string(5) "coles"
    [2]=>
    string(7) "safeway"
    [3]=>
    string(5) "coles"
    [4]=>
    string(7) "safeway"
    [5]=>
    string(5) "coles"
    [6]=>
    string(7) "safeway"
  }
}
array(3) {
  [1]=>
  array(6) {
    [0]=>
    float(2.34)
    [1]=>
    float(4.54)
    [2]=>
    float(7.214023)
    [3]=>
    float(15.56)
    [4]=>
    float(17.68493403)
    [5]=>
    float(27.98)
  }
  [2]=>
  array(6) {
    [0]=>
    string(7) "bananas"
    [1]=>
    string(6) "apples"
    [2]=>
    string(6) "apples"
    [3]=>
    string(7) "oranges"
    [4]=>
    string(7) "oranges"
    [5]=>
    string(6) "grapes"
  }
  [3]=>
  array(6) {
    [0]=>
    string(7) "safeway"
    [1]=>
    string(5) "coles"
    [2]=>
    string(7) "safeway"
    [3]=>
    string(5) "coles"
    [4]=>
    string(7) "safeway"
    [5]=>
    string(5) "coles"
  }
}
https://ideone.com/GXLeIt
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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