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dynamic method name for class
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| <?php | |
| class Test { | |
| private $data = [ | |
| 'first' => 1, | |
| 'second' => 2, | |
| 'third' => 3, | |
| 'hundredTH' => 100, | |
| '5Fifth' => 5 // following method rules, method never start with a digit, so this will return false | |
| ]; | |
| public function __call($name, $arguments) { | |
| $pattern = '/^get(?!\d.+$)([a-zA-Z0-9]+$)/'; | |
| $matches = []; | |
| preg_match($pattern, $name, $matches); | |
| if (count($matches) === 0) { | |
| return false; | |
| } | |
| if (!isset($matches[1]) || empty($matches[1])) { | |
| return false; | |
| } | |
| // The function itself is case sentitive, only converting the first camel case to be small letter, | |
| // only the implication would be, the data key start with 'First', then getFirst() will always | |
| // get data from key 'first' instead of 'First' | |
| $keyName = lcfirst($matches[1]); | |
| if (!isset($this->data[$keyName]) || empty($this->data[$keyName])) { | |
| return false; | |
| } | |
| return $this->data[$keyName]; | |
| } | |
| } | |
| $test = new Test(); | |
| var_dump($test->getFirst()); | |
| var_dump($test->getSecond()); | |
| var_dump($test->getFifth()); // the key does not exist in $data | |
| var_dump($test->gethundredTH()); // this return 100 | |
| var_dump($test->gethundredth()); // return false | |
| var_dump($test->get5Fifth()); |
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