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Factory Method

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	`1`	`+<?php`
	`2`	`+`
	`3`	`+/**`
	`4`	`+ * Design pattern "Factory method" / "Virtual Constructor" (Creational)`
	`5`	`+ * This is demo code`
	`6`	`+ * See for details: http://maxsite.org/page/php-patterns`
	`7`	`+ */`
	`8`	`+`
	`9`	`+/**`
	`10`	`+ * Base class`
	`11`	`+ */`
	`12`	`+abstract class CommonAbstract`
	`13`	`+{`
	`14`	`+ /**`
	`15`	`+ * Create new class`
	`16`	`+ */`
	`17`	`+ public static function initial($class)`
	`18`	`+ {`
	`19`	`+ return new $class();`
	`20`	`+ }`
	`21`	`+`
	`22`	`+ /**`
	`23`	`+ * Common methods`
	`24`	`+ */`
	`25`	`+ abstract public function run();`
	`26`	`+}`
	`27`	`+`
	`28`	`+/**`
	`29`	`+ * Class1 for sample`
	`30`	`+ */`
	`31`	`+class Class1 extends CommonAbstract`
	`32`	`+{`
	`33`	`+ public function run()`
	`34`	`+ {`
	`35`	`+ echo 'Class1 run<br>';`
	`36`	`+ }`
	`37`	`+}`
	`38`	`+`
	`39`	`+/**`
	`40`	`+ * Class2 for sample`
	`41`	`+ */`
	`42`	`+class Class2 extends CommonAbstract`
	`43`	`+{`
	`44`	`+ public function run()`
	`45`	`+ {`
	`46`	`+ echo 'Class2 run<br>';`
	`47`	`+ }`
	`48`	`+}`
	`49`	`+`
	`50`	`+`
	`51`	`+/**`
	`52`	`+ * demo`
	`53`	`+ */`
	`54`	`+`
	`55`	`+$a = CommonAbstract::initial('Class1');`
	`56`	`+$a->run();`
	`57`	`+/*`
	`58`	`+ Class1 run`
	`59`	`+ */`
	`60`	`+`
	`61`	`+$b = CommonAbstract::initial('Class2');`
	`62`	`+$b->run();`
	`63`	`+/*`
	`64`	`+ Class2 run`
	`65`	`+ */`
	`66`	`+`
	`67`	`+# end of file`

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