hphp/test/zend/bad/ext/standard/tests/array/uasort_error.php

   1 <?php
   2 /* Prototype  : bool uasort(array $array_arg, string $cmp_function)
   3  * Description: Sort an array with a user-defined comparison function and maintain index association
   4  * Source code: ext/standard/array.c
   5 */
   6
   7 echo "*** Testing uasort() : error conditions ***\n";
   8
   9 // comparison function
  10 /* Prototype : int cmp(mixed $value1, mixed $value2)
  11  * Parameters : $value1 and $value2 - values to be compared
  12  * Return value : 0 - if both values are same
  13  *                1 - if value1 is greater than value2
  14  *               -1 - if value1 is less than value2
  15  * Description : compares value1 and value2
  16  */
  17 function cmp($value1, $value2)
  18 {
  19   if($value1 == $value2) {
  20     return 0;
  21   }
  22   else if($value1 > $value2) {
  23     return 1;
  24   }
  25   else {
  26     return -1;
  27   }
  28 }
  29
  30 // Initialize 'array_arg'
  31 $array_arg = array(0 => 1, 1 => 10, 2 => 'string', 3 => 3, 4 => 2, 5 => 100, 6 => 25);
  32
  33 // With zero arguments
  34 echo "-- Testing uasort() function with Zero argument --\n";
  35 var_dump( uasort() );
  36
  37 // With one more than the expected number of arguments
  38 echo "-- Testing uasort() function with more than expected no. of arguments --\n";
  39 $extra_arg = 10;
  40 var_dump( uasort($array_arg, 'cmp', $extra_arg) );
  41
  42 // With one less than the expected number of arguments
  43 echo "-- Testing uasort() function with less than expected no. of arguments --\n";
  44 var_dump( uasort($array_arg) );
  45
  46 // With non existent comparison function
  47 echo "-- Testing uasort() function with non-existent compare function --\n";
  48 var_dump( uasort($array_arg, 'non_existent') );
  49
  50 // With non existent comparison function and extra argument
  51 echo "-- Testing uasort() function with non-existent compare function and extra argument --\n";
  52 var_dump( uasort($array_arg, 'non_existent', $extra_arg) );
  53
  54 echo "Done"
  55 ?>