What is the function of converting php array to string
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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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