如何按对象值对数组排序？
$cars = array
(
array("Volvo",22,18),
array("BMWx",15,13),
array("Saabmove",5,2),
array("Land Rovermove",17,15)
);
数组应基于值的相似性排序。
答案 0 :(得分：0)
通过相似文本https://3v4l.org/XUBDD#output对多数组进行排序的示例
$json = '{
"result": {
"anime": [
{
"rowid": "2",
"title": "Dusk Maiden of Amnesia",
"pic": "\/\/i.imgur.com\/J4HRnHP.jpg",
"slug": "Dusk-Maiden-of-Amnesia-dub",
"year": "2012",
"status": "done",
"descript": "The story revolves around a first-year middle school student, Teiichi Niiya who had just enrolled at Seikyou Private Academy. When he gets lost in one of the schools old buildings, he meets a girl named Yuuko Kanoe who reveals herself as a ghost with no memories. Teiichi then decides to investigate her death by looking through the schools seven mysteries revolving around her. Throughout the story, Teiichi and Yuuko discover the truth about these ghost stories while helping those who are troubled.",
"tags": "Mystery,,Romance,,School Club,,School Life,,Supernatural,,High School"
},
{
"rowid": "12",
"title": "Accel World",
"pic": "https:\/\/i.imgur.com\/65gNsOX.png",
"slug": "Accel-World-dub",
"year": "2012",
"status": "done",
"descript": "Haruyuki+%22Haru%22+Arita+is+a+short%2C+overweight+boy+who+is+frequently+ridiculed+by+delinquents+at+the+Umesato+Junior+High+School.+Using+his+Neuro+Linker+to+escape+the+torment+of+real+life%2C+he+logs+onto+the+school%27s+Local+Network+cyberspace+where+he+always+plays+virtual+squash+alone%2C+and+his+innate+video+game+skills+bring+him+to+the+attention+of+Kuroyukihime+%28literally+meaning+%22Black+Snow+Princess%22%29%2C+the+school%27s+popular%2C+highly+intellectual+and+attractive+female+Student+Council+Vice-President.++After+helping+him+against+the+delinquents%2C+Kuroyukihime+introduces+Haruyuki+to+Brain+Burst%2C+a+secret+program+that+is+able+to+accelerate+the+human+cognitive+process+to+the+point+at+which+time+appears+to+stop.+Haruyuki+soon+learns+that+Brain+Burst+is+more+than+just+a+program%2C+but+an+Augmented+Reality+Massively+Multiplayer+Online+%28ARMMO%29+Fighting+Game+where+people+fight+each+other+in+fierce+duels+in+order+to+obtain+Burst+Points+which+can+be+spent+for+acceleration+abilities+in+the+real+world.",
"tags": "Action,,Sci Fi,,Based On A Light Novel,,Futuristic,,Virtual Reality"
},
{
"rowid": "7",
"title": "Parasyte the maxim",
"pic": "https:\/\/i.imgur.com\/AY7WkqY.jpg",
"slug": "Parasyte-the-maxim-dub",
"year": "2014",
"status": "done",
"descript": "17-year-old+Izumi+Shinichi+lives+with+his+mother+and+father+in+a+quiet+neighborhood+in+Tokyo.+One+night%2C+worm-like+aliens+called+Parasytes+invade+Earth%2C+taking+over+the+brains+of+human+hosts+by+entering+through+their+ears+or+noses.+One+Parasyte+attempts+to+crawl+into+Shinichi%27s+ear+while+he+sleeps%2C+but+fails+since+he+is+wearing+headphones%2C+and+enters+his+body+by+burrowing+into+his+arm+instead%2C+taking+over+his+right+hand+and+is+named+Migi.+Because+Shinichi+was+able+to+prevent+Migi+from+traveling+further+up+into+his+brain%2C+both+beings+retain+their+separate+intellect+and+personality.+As+the+duo+encounter+other+Parasytes%2C+they+capitalize+on+their+strange+situation+and+gradually+form+a+strong+bond%2C+working+together+to+survive.+This+gives+them+an+edge+in+battling+other+Parasytes%2C+who+frequently+attack+the+pair+upon+realization+that+Shinichi%27s+human+brain+is+still+intact.+Shinichi+feels+compelled+to+fight+other+Parasytes%2C+who+devour+humans+as+food%2C+while+enlisting+Migi%27s+help.",
"tags": "Action,,Horror,,Sci Fi,,Aliens,,Body Sharing,,Bullying,,Explicit Violence,,Psychological"
}
],
"Current_page": "1",
"Total_Pages": 75,
"PerPage": 3,
"Total": 224
}
}';
$userInput = "maxim";
$jsonf = json_decode($json, true);
usort($jsonf['result']['anime'], function ($a, $b) use ($userInput) {
similar_text($userInput, $a['title'], $percentA);
similar_text($userInput, $b['title'], $percentB);
return $percentA === $percentB ? 0 : ($percentA > $percentB ? -1 : 1);
});
echo json_encode($jsonf);