php - Separate the words of a text by a special character " , " -

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• need in splitting string in variable , assign it's parts array 4 answers

i have question

i text input[type="text"] this:

<input type="text" name="tags"/> 

i received string value looks this:

$tags = $_post['tags']; $tags = "car,bmw,speed,fast"; 

i need separate words "," , add $arr :

$tag_arr = ['car','bmw','speed','fast']; 

how can !?

thanks

use "explode" function present in php. below

$tags = explode(",","car,bmw,speed,fast");