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维度与顺序
1. collapse() , flatten()
2. flip() , keyBy()
3. groupBy() , split() , splitIn()
4. implode() , join()
collect(['a', 'b', 'c'])->join(', ', ', and '); // 'a, b, and c'5. sort() , sortBy() , sortKeys() , reverse()
组合
1. combine() , zip() , crossJoin()
2. merge() , mergeRecursive() , replace() , replaceRecursive() , union()
3. concat() , pad()
4. mapInto()
5. prepend() , push() , put()
获取
1. except() , only() , get() , forget() , pull()
2. pluck()
3. forPage() , nth() , pop() , shift()
4. intersect() , intersectByKeys() , sole()
5. keys() , values()
6. skip() , take() , *Until() , *While()
7. unique() , uniqueStrict()
转换类型
1. toArray() , toJson()
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