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This article mainly introduces "what is the function of php array to string". In daily operation, I believe many people have doubts about what the function of php array to string is. Xiaobian consulted all kinds of data and sorted out a simple and easy-to-use method of operation. I hope it will be helpful to answer the question of "what is the function of php array to string". Next, please follow the editor to study!

There are two conversion functions: 1, implode (), with the syntax "implode ($glue,$arr)", which returns a string composed of array elements and "$glue" characters. 2. Join (), with the syntax "join ($glue,$arr)", can convert an one-dimensional array into a string.

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

PHP provides two functions that convert arrays to strings: implode () and join ().

1. Implode () function

The implode () function converts an one-dimensional array to a string. The syntax is as follows:

The implode ($glue,$arr) parameter description $glue is optional. Used to set a string that indicates that each element of the array is concatenated with $glue, and $glue is an empty string by default. $arr is required. The array to combine into strings.

The implode () function returns a string composed of array elements and "$glue" characters.

Example:

2. Join () function

The join () function returns a string composed of array elements.

The join () function is actually an alias for the implode () function, and its usage and function are the same as the implode () function. You can refer directly to the above function.

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