Shulou(Shulou.com)06/03 Report--

In this issue, the editor will bring you about the use of in_array () in php. The article is rich in content and analyzed and described from a professional point of view. I hope you can get something after reading this article.

The use of in_array () in php is [in_array (search,array)], where search specifies the value to search in the array, and array specifies the array to search. The in_array () function is used to search for the existence of the specified value in the array.

This article operating environment: windows10 system, php7, thinkpad T480 computer.

We all know that there are a large number of built-in functions in php, which are very convenient to use in many cases. There is a function in_array (), and there may be many friends who don't know how to use it. Let's take a look at what this function does.

The in_array () function is used to search for the existence of the specified value in the array and returns true if the given value exists in the array. At the same time, the function can also set a third parameter, and if the third parameter is set to true, the function returns true only if the element exists in the array and the data type is the same as the given value. If no arguments are found in the array, the function returns false.

Let's look at the specific syntax and parameters:

In_array (search,array,type)

Search is required. Specifies the value to search in the array.

Array is required. Specifies the array to search.

Type is optional. If you set this parameter to true, check that the data searched is of the same type as the value of the array.

Finally, let's take a look at how to use this function. Here is the specific code:

This is the use of in_array () in php shared by the editor. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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