Teoria m\u00f3wi, \u017ce parametr prywatny klasy w PHP z za\u0142o\u017cenia nie jest dost\u0119pny z zewn\u0105trz. Maj\u0105c wi\u0119c klas\u0119:<\/p>\n
Mo\u017cemy si\u0119 spodziewa\u0107 b\u0142\u0119du podczas pr\u00f3by wy\u015bwietlenia zawarto\u015bci zmiennej prywatnej.<\/p>\n Warto jednak zna\u0107 pewne metody, pozwalaj\u0105ce na dost\u0119p do “ukrytej” warto\u015bci:<\/p>\n 1) po prostu j\u0105 wy\u015bwietl:<\/p>\n 2) rzutowanie do tablicy:<\/p>\n 3) “binding” (PHP 5.4)<\/p>\n 4) ReflectionClass (PHP 5.3)<\/p>\n Teoria m\u00f3wi, \u017ce parametr prywatny klasy w PHP z za\u0142o\u017cenia nie jest dost\u0119pny z zewn\u0105trz. Maj\u0105c wi\u0119c klas\u0119: class A { private $x = 1; } $a = new A(); echo $a->x; \/\/ spowoduje b\u0142\u0105d Mo\u017cemy si\u0119 spodziewa\u0107 b\u0142\u0119du podczas … <\/i> Czytaj ca\u0142o\u015b\u0107<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[695,694,697,416,698,696],"class_list":["post-530","post","type-post","status-publish","format-standard","hentry","category-porady-dla-webmasterow","tag-dostep-prywatne-parametry-klasy","tag-hack-php","tag-klasa-zmienna-prywatna-dostep","tag-php","tag-php-klasa-prywatna-dostep","tag-zmienne-prywatne-dostep"],"_links":{"self":[{"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/posts\/530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/comments?post=530"}],"version-history":[{"count":2,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/posts\/530\/revisions"}],"predecessor-version":[{"id":532,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/posts\/530\/revisions\/532"}],"wp:attachment":[{"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/media?parent=530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/categories?post=530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/webowiec.net\/blog\/wp-json\/wp\/v2\/tags?post=530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}class A { private $x = 1; }
\n$a = new A();
\necho $a->x; \/\/ spowoduje b\u0142\u0105d
\n<\/code><\/p>\nprint_r($a);
\nvar_dump($a);
\n<\/code><\/p>\n$a = (array) $a;
\necho $a[\"\\0A\\0x\"];
\n<\/code><\/p>\n$getXCB = function() {return $this->x;};
\n$getX = $getXCB->bindTo(new A, 'A');
\necho $getX();
\n<\/code><\/p>\n$aflection = new ReflectionClass(\"A\");
\n$xProp = $aflection->getProperty(\"x\");
\n$xProp->setAccessible(true);
\necho $xProp->getValue($a);
\n<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"