92 lines
1.7 KiB
PHP
92 lines
1.7 KiB
PHP
<?php
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class SectionTree {
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protected $radius = 10;
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public $hight = 50; // в см
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public function __construct(int $r, int $h)
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{
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$this->radius = $r;
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$this->hight = $h;
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}
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}
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class SectionTreeChild extends SectionTree {
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public $wight = 50;
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public function __construct()
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{
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parent::__construct(233, 23);
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}
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public function getRadius()
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{
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return $this->radius;
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}
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}
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$objChild = new SectionTreeChild(255, 22);
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var_dump($objChild->getRadius());
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// var_dump(SectionTree::$radius);
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class ChristmasTree
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{
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private $sectionBox = [];
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protected $color = 'red';
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public function getColor()
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{
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return $this->color;
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}
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public function addSection($section)
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{
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array_push($this->sectionBox, $section);
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}
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public function debug()
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{
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var_dump($this->sectionBox);
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}
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}
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// () - вызов конструктора, оператор call
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$s_1 = new SectionTree(12, 2);
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$s_2 = new SectionTree(3, 5);
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$tree = new ChristmasTree();
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$tree->addSection($s_1);
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$tree->addSection($s_2);
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// $tree->addSection('ddd');
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// $tree->addSection(283746);
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$tree->debug();
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// var_dump($obj->getColor());
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class DB {
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const SQL_SELECT_USER = 'select, id, name, login from user, where id = %';
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static private $_instanse;
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private function __construct()
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{
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}
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static public function getInstanse()
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{
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if (!self::$_instanse) {
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self::$_instanse = new self();
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}
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return self::$_instanse;
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}
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static public function runSQL()
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{
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var_dump(self::SQL_SELECT_USER);
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}
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}
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$objInst = DB::getInstanse();
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DB::runSQL();
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var_dump($objInst); |