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Snippet Name: Filter non-alphanumeric characters

Description: Filters out all non-alphanumeric characters (a through z and 0 through 9). Useful for filtering or sanitizing input data.

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Language: PHP
Highlight Mode: PHP
Last Modified: March 16th, 2009

//Begin filtering variable  $data of non alphanumeric characters
$data = PREG_REPLACE("/[^0-9a-zA-Z]/i", '', $data);
//Finish filtering of non alphanumeric characters

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