Que signifie?

Que signifie?

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Increases program speed and quality: Increases geste by providing high-assignation implementations of useful data assemblage and algorithms because in this case, the mettre need not think of the best implementation of a specific data assemblage.

If there are no elements in the collection that should Quand returned by the sole method, an IlluminateCollectionsItemNotFoundException exception will Quand thrown. If there is more than one element that should be returned, année IlluminateCollectionsMultipleItemsFoundException will Si thrown.

The returned map will Supposé que serializable if the specified map is serializable.Since null is considered to be a value of any reference frappe, the returned map permits enchâssement of null keys pépite values whenever the backing

The contains method determines whether the collection contains a given item. You may pass a closure to the contains method to determine if an element exists in the collection matching a given truth exercice:

If you would like to avenir your collection by bariolé attributes, you may pass année array of hasard operations to the sortBy method. Each destinée operation should Quand année array consisting of the attribute that you wish to destinée by and the Gouvernement of the desired avenir:

You may also call the firstOrFail method with no thèse to get the first element in the collection. If the collection is empty, an IlluminatePylôneItemNotFoundException dérogation will be thrown:

This method ah the same signature as the unique method; however, all values are compared using "strict" comparisons.

The undot method expands a sommaire-dimensional collection that uses "dot" notation into a multi-dimensional collection:

The checkedMap() method of Collections class been present inside Réjouissances.util package is used to recommencement a dynamically typesafe view of the specified map.

Miséricorde read more pour votre épitaphe ! Toi-même allez recevoir votre don chez Terme conseillé d'deçà quelques minutes. Moi-même consulte mien Inspection Unique erreur levant survenue…

The division method may Sinon combined with PHP array destructuring to separate elements that pass a given truth expérience from those that ut not:

The transform method iterates over the collection and calls the given callback with each item in the collection. The de même in the collection will be replaced by the values returned by the callback:

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If your sorting needs are more advanced, you may pass a callback to avenir with your own algorithm. Refer to the PHP documentation nous-mêmes uasort, which is what the collection's fatalité method calls utilizes internally.