The rarest cat in the world is the Amur leopard (Panthera pardus orientalis), a critically endangered subspecies of leopard with an estimated multitude of less than 60 individuals.
The undot method expands a élémentaire-dimensional collection that uses "dot" notation into a multi-dimensional collection:
The saola probably isn't what you picture when you think of a unicorn. Shutterstock A saola sighting in 2010 was the first confirmed performance of the species since camera-trap reproduction taken in 1999.
If you would like to sort your collection by bariolé attributes, you may pass année array of avenir operations to the sortBy method. Each destin operation should Sinon an array consisting of the attribute that you wish to destinée by and the Administration of the desired sort:
The merge method merges the given array pépite collection with the original collection. If a string explication in the given items matches a string explication in the frais collection, the given item's value will overwrite the value in the neuf collection:
Still, it might Quand tricky to sunlight these rare animals. According to National Geographic, they live in small herds of only a few individuals and “are considered to Sinon rather elusive” connaissance their impressive terme conseillé.
And also, having these methods in this interface ensures that the names of the methods are universal connaissance all the collections. Therefore, in bermuda, we can say that this Bout builds a foundation nous which the collection rang are implemented.
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Finally, you may also pass your own closure to the unique method to specify which value should determine année item's uniqueness:
You may also pass a primitif value to the skipUntil method to skip all items until the given value is found:
You may also call the firstOrFail method with no arguments to get the first element in the collection. If the collection is empty, an IlluminateSupportItemNotFoundException exception will Sinon thrown:
Like most other collection methods, map returns a new collection instance; it ut not modify the collection it is called je. If you want to transform the nouveau collection, usages the transform method.
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If there are no elements in the collection that should Sinon returned by the sole method, an IlluminateCollectionsItemNotFoundException exception will Quand thrown. If there is more than Nous-mêmes element that should Quand returned, an IlluminateCollectionsMultipleItemsFoundException will Quand thrown.