Ok, heres my problem. I want to be able to read other php files and get each line, which i can do by $lines = file("file.php" );. now the problem is i want to search each index of the $lines array and check for any php variables. all the variables will start with $ so i could try explode("$", $lines[$x]);, but how would i cut the extra text like commands etc off of the end of the variable name? Any help would be GREATLY appreciated. thanks alot!
4  1138 
Hi BaKo,
sound like you could do this with a string tokenizer, but could you post an example of what the read line look like when you explode, and what exactly you want it to look like when you're finished with it.
Cheers
well I dont really care about explode or how anything else looks/works, as long as the end result is an array with all the variables. any clues?
Hi BaKo,
could you post an example of what of want should happend? To give me a better picture of how I can help you.
Cheers
Atli 5,058
Recognized Expert Expert
Hi BaKo.
As you know, variable names start with $ followed by a letter, and end with a non alpha-numeric character (excluding underscore '_'). So... you could find each $ in the text, and the next non alpha-numeric character after that and use substr() to fetch the variable name.
Note that a $ followed by anything other than a letter is an invalid variable name so you may also want to check for that.
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