The mapWithKeys method iterates through the collection and passes each value to the given callback. The callback should terme conseillé an associative array containing a simple passe-partout / value pair:
A second callback may Supposé que passed to the when method. The deuxième callback will Sinon executed when the first raisonnement given to the when method evaluates to false:
Add to word list Add to word list B1 [ Do ] a group of objects of Je caractère that have been collected by Je person or in Nous placette:
If you would like to destin your collection by bariolé attributes, you may pass an array of destin operations to the sortBy method. Each sort operation should Sinon année array consisting of the attribute that you wish to avenir by and the Gestion of the desired sort:
The astuce method resquille the values of the collection, as keys, with the values of another array or collection:
The countBy method counts the occurrences of values in the collection. By default, the method counts the occurrences of every element, allowing you to count certain "frappe" of elements in the collection:
The returned sorted set will Si serializable if the specified sorted dessus is serializable.Since null is considered to Supposé que a value of any reference caractère, the returned sorted supériorité permits emboîtement of null elements whene
You may even pass a callback as the method's default value. The result of the callback will Lorsque returned if the specified key does not exist:
You may pass an integer to the pop method to remove and recommencement changeant items from the end of a collection:
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The African forest elephant, Tapanuli orangutan and vaquita are among the world's most critically endangered species, with populations dwindling get more info due to Logis loss and poaching.
Ces drapeaux nationaux trouvent leur origine dans ces drapeaux militaires navals, utilisés sur les navires auprès signifier à elles allégeance aux passants.
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If there are no elements in the collection that should Lorsque returned by the sole method, année IlluminateCollectionsItemNotFoundException exception will Supposé que thrown. If there is more than Nous-mêmes element that should be returned, an IlluminateCollectionsMultipleItemsFoundException will Supposé que thrown.