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zero50x

mail.ru тест php

zero50x
Sep 5th, 2017
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  1. $pot = 'carrots';
  2. echo ++$pot;
  3. // carrott
  4.  
  5.  
  6. $array1 = array(4,5,1 => 'hello', 'fruit' => 'orange');
  7. $array2 = array('fruit' => 'banana', 0 => 7);
  8. $array3 = array_merge($array1, $array2);
  9. print_r($array3);
  10. // [0] => 4 [1] => hello [fruit] => banana [2] => 7
  11.  
  12.  
  13. function run($task, $callback = null){
  14.   echo 'Running '.$task.PHP_EOL;
  15.   echo $callback;
  16. }
  17. run('pdf', 'Callback');
  18. // Running pdf Callback НЕВЕРНО: Running pdfCallback
  19.  
  20.  
  21. $k = 7;
  22. $k = --$k % 4;
  23. $k += $k-- % 4;
  24. echo $k;
  25. // 3
  26.  
  27.  
  28. $pid = 6641;
  29. function increase_pid(){
  30.   $pid += 32;
  31. }
  32. increase_pid();
  33. echo "pid = $pid";
  34. // 6641
  35.  
  36.  
  37. const pi = 3.14;
  38. const radius = 2;
  39. define('SQUARE', pi*radius*radius);
  40. echo square;
  41. // square
  42.  
  43. +1 не:
  44. 1 2 1 2jerry1 011 0101
  45.  
  46.  
  47. ## ## ## ## ## ## ##
  48. ## Неверные ответы:
  49. ## ## ## ## ## ## ##
  50.  
  51. $number = 68;
  52. switch ($number) {
  53. default:
  54. echo 'unknown';
  55. case 68:
  56. echo '68';
  57. case 69:
  58. echo '69';
  59. }
  60. // Не 68
  61.  
  62. $a = array(
  63. null => 'a',
  64. true+false => 'b',
  65. false-true => 'c',
  66. 0+1 => 'd',
  67. 1-1 => 'e',
  68. '0' => 'f',
  69. );
  70. echo count($a);
  71. // Не 2
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