The usage of is_array () in php

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Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Php is_array () function

The PHP is_array () function is used to determine whether a variable is an array. Its syntax format is as follows:

Bool is_array (mixed $var)

Parameter description:

Var: the variable to be detected.

Return value

Returns TRUE if the detected variable is an array, FALSE otherwise.

Examples of the use of this function are as follows:

Output result:

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