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  1. <?php
  2.  
  3. class FunctionHolder
  4. {
  5.  
  6.     private $functions;
  7.  
  8.     public function __construct()
  9.     {
  10.         $this->functions = [];
  11.     }
  12.  
  13.     /**
  14.      * @param callable $function
  15.      * @param string $functionName
  16.      * @throws Exception
  17.      */
  18.     public function registerFunction($function, $functionName)
  19.     {
  20.         if (!is_callable($function)) {
  21.             throw new Exception ('Not a function');
  22.         }
  23.         $this->functions[$functionName] = $function;
  24.     }
  25.  
  26.     /**
  27.      * @param string $functionName
  28.      * @param array $parameters
  29.      */
  30.     public function run($functionName, $parameters)
  31.     {
  32.         call_user_func_array($this->functions[$functionName], $parameters);
  33.     }
  34.  
  35.     public function __call($functionName, $parameters)
  36.     {
  37.     	if (isset($this->functions[$functionName])) {
  38.     		call_user_func_array($this->functions[$functionName], $parameters);
  39.     	} else {
  40.     		throw new Exception ("method $functionName not found in " . __CLASS__);
  41.     	}
  42.     }
  43. }
  44.  
  45. $functionHolder = new FunctionHolder();
  46. /**
  47.  * @param int $number
  48.  * @param string $string
  49.  */
  50. $function = function ($number, $string) {
  51.     echo "Номер $number";
  52.     echo "\nСтрока $string";
  53. };
  54. $functionHolder->registerFunction($function, 'printNumbers');
  55. //$functionHolder->run('printNumbers', [12, 'попугай']);
  56. $functionHolder->printNumbers(12, 'попугай');
  57.  
  58. try {
  59. 	$functionHolder->printNumbersTwo(12, 'попугай');
  60. } catch (Exception $e) {
  61. 	echo PHP_EOL . $e->getMessage() . PHP_EOL;
  62. }
  63.  
Success #stdin #stdout 0.02s 52472KB
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stdin
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Standard input is empty
stdout
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Номер 12
Строка попугай
method printNumbersTwo not found in FunctionHolder
https://ideone.com/9ccJmc
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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