Would anyone mind helping me understand how to assign a variable from an matching string search? I will give some background as to what I am doing. I work with tires all day long and I am trying to use a dynamic way in which people can give me tires sizes and I can give them answers based upon that dynamic input. For example.. If I have vendors that give me tire sizes in the following different formats: 215 45 17 215/45/R17 215/45ZR17 2154517 I really prefer the tire sizes to be formated as a single number ie: 2454517 What I have done so far is: $string = '245/45ZR17'; $tiresizearray = preg_match_all( '/(?<digit>\d+)/', $string, $ptiresize); print_r($ptiresize[0]); 1) If I don't specify the "[0]" in the print_r command I get the following answer below, and I don't know enough to understand why and thats ok because I have no shame is saying I have no idea what I am doing, other than trying to learn: Array ( [0] => Array ( [0] => 245 [1] => 45 [2] => 17 ) [digit] => Array ( [0] => 245 [1] => 45 [2] => 17 ) [1] => Array ( [0] => 245 [1] => 45 [2] => 17 ) ) However if I do specify the [0] I get just the 3 lines which is the 1st part to what I want. The 2nd part of what I want to accomplish is having a tire size that is one single number. ie. 2454517. Can anyone tell me how I can accomplish the filtering of data to get my preferred format of a single number and then assigned that single # to a variable. For example: $newsize = Array($tiresizearray[0].$tiresizearray[1].$tiresizearray[3]) I know the above line is wrong but hopefully someone understands what I am trying to do. Any and all help is appreciated. Sincerely, Neal Slensker
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