所以我試過了：
$json = json_decode($response, true); echo $json['link'];
但我沒有得到任何輸出。
我有這個 json 物件：
{"results":[{"title":"Cat | global-selector | Caterpillar","link":"https://www.cat.com/","description":"Cookies are small files that are placed on your computer and retrieved by the website in order to make this website work more efficiently and to better ...?English · ?Fran?ais · ?Turkish","additional_links":[{"text":"Cat | global-selector | Caterpillarhttps://www.cat.com","href":"https://www.cat.com/"},{"text":"English","href":"https://www.cat.com/en_ZA.html"},{"text":"Fran?ais","href":"https://www.cat.com/fr_DZ.html"},{"text":"Turkish","href":"https://www.cat.com/tr_TR.html"}],"cite":{}},{"title":"Cat - Wikipedia","link":"https://en.wikipedia.org/wiki/Cat","description":"The cat (Felis catus) is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is often referred to ...Species: F. catusKingdom: AnimaliaGenus: FelisClass: Mammalia?Evolution · ?Characteristics · ?Senses · ?Behavior","additional_links":[{"text":"Cat - Wikipediahttps://en.wikipedia.org ? wiki ? Cat","href":"https://en.wikipedia.org/wiki/Cat"},{"text":"Animalia","href":"http://en.wikipedia.org/wiki/Animal"},{"text":"Felis","href":"http://en.wikipedia.org/wiki/Felis"},{"text":"Mammalia","href":"http://en.wikipedia.org/wiki/Mammal"},{"text":"Evolution","href":"https://en.wikipedia.org/wiki/Cat#Evolution"},{"text":"Characteristics","href":"https://en.wikipedia.org/wiki/Cat#Characteristics"},{"text":"Senses","href":"https://en.wikipedia.org/wiki/Cat#Senses"},{"text":"Behavior","href":"https://en.wikipedia.org/wiki/Cat#Behavior"}],"cite":{"domain":"https://en.wikipedia.org ? wiki ? Cat","span":" ? wiki ? Cat"}},{"title":"Caterpillar | Caterpillar","link":"https://www.caterpillar.com/","description":"Cat? product offerings include articulated trucks, backhoe loaders, dozers, engines, excavators, generators, motor graders, skid steer loaders and wheel loaders ...","additional_links":[{"text":"Caterpillar | Caterpillarhttps://www.caterpillar.com","href":"https://www.caterpillar.com/"}],"cite":{}},{"title":"cat | Breeds & Facts | Britannica","link":"https://www.britannica.com/animal/cat","description":"Dec 13, 2021 — Cat, domesticated member of the family Felidae, order Carnivora, and the smallest member of that family. Like all felids, cats are ...","additional_links":[{"text":"cat | Breeds & Facts | Britannicahttps://www.britannica.com ? animal ? cat","href":"https://www.britannica.com/animal/cat"}],"cite":{"domain":"https://www.britannica.com ? animal ? cat","span":" ? animal ? cat"}},{"title":"Caterpillar Inc. (CAT) Stock Price, News, Quote & History","link":"https://finance.yahoo.com/quote/CAT/","description":"Find the latest Caterpillar Inc. (CAT) stock quote, history, news and other vital information to help you with your stock trading and investing.","additional_links":[{"text":"Caterpillar Inc. (CAT) Stock Price, News, Quote & Historyhttps://finance.yahoo.com ? quote ? CAT","href":"https://finance.yahoo.com/quote/CAT/"}],"cite":{"domain":"https://finance.yahoo.com ? quote ? CAT","span":" ? quote ? CAT"}},{"title":"Cat | National Geographic","link":"https://www.nationalgeographic.com/animals/mammals/facts/domestic-cat","description":"Domestic Cat · Relationship with Humans. Felis catus has had a very long relationship with humans. · Hunting Abilities. Like their wild relatives, domestic cats ...","additional_links":[{"text":"Cat | National Geographichttps://www.nationalgeographic.com ? domestic-cat","href":"https://www.nationalgeographic.com/animals/mammals/facts/domestic-cat"}],"cite":{"domain":"https://www.nationalgeographic.com ? domestic-cat","span":" ? domestic-cat"}},{"title":"Cat Breeds | Types of Cats | Purina","link":"https://www.purina.com/cats/cat-breeds","description":"American Bobtail Cat BreedAmerican Curl Cat BreedAmerican Shorthair CatAmerican Wirehair Cat BreedBalinese-Javanese Cat BreedBengal CatBirman Cat BreedBombay CatBritish Shorthair Cat BreedBurmese CatChartreux Cat Breed","additional_links":[{"text":"Cat Breeds | Types of Cats | Purinahttps://www.purina.com ? Cats","href":"https://www.purina.com/cats/cat-breeds"}],"cite":{"domain":"https://www.purina.com ? Cats","span":" ? Cats"}},{"title":"Cat Adoption Team | Sherwood Cat Rescue | Cat Adoption ...","link":"https://catadoptionteam.org/","description":"Cat Adoption Team is the largest nonprofit, adoption guarantee cat shelter in the Pacific Northwest. We offer adoption, foster care, and veterinary services ...","additional_links":[{"text":"Cat Adoption Team | Sherwood Cat Rescue | Cat Adoption ...https://catadoptionteam.org","href":"https://catadoptionteam.org/"}],"cite":{}}],"image_results":[],"total":4140000000,"answers":["Do cats fart?","What two animals make a cat?","Why do cats hate water?","Is a cat good pet?"],"ts":2.605560064315796,"device_region":"US","device_type":"desktop"}
那么我怎樣才能獲得并列出這些值呢？如果有人可以幫助我，我會很高興。我是 json 值的初學者：/
uj5u.com熱心網友回復：
您正在回傳一個陣列陣列。您需要使用索引訪問它們
$json["results"][0]['link']
轉載請註明出處，本文鏈接：https://www.uj5u.com/net/395909.html
上一篇：如何將json物件添加到引數