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This article mainly introduces the "php how to use key to remove the specified elements of the array" related knowledge, editor through the actual case to show you the operation process, the method of operation is simple and fast, practical, I hope that this "php how to use key to remove the specified elements of the array" article can help you solve the problem.

Method: 1, use "array_keys (array)" to return the new array containing the array key name; 2, use "array_search (key, new array)" to return the specified key key name in the new array; 3, use "array_splice (array, specify key key name, 1)" to remove the specified element.

This article operating environment: Windows10 system, PHP7.1 version, Dell G3 computer.

How does php use key to remove specified elements from an array

First use the array_keys function and the array_search function to get the position of the specified key in the array

Then delete the specified element using the array_splice function.

Details:

The array_keys () function returns a new array containing all the key names in the array.

If a second parameter is provided, only the key name whose key value is that value is returned.

The array_search () function searches the array for a key value and returns the corresponding key name.

The array_splice () function removes the selected element from the array and replaces it with a new element. This function will also return an array containing the removed elements.

Examples are as follows:

Output result:

That's all for "how php uses key to remove specified elements from an array". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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