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PhpDig is a PHP MySQL based
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get_cfg_var — Gets a PHP configuration option.


string get_cfg_var(variable);
string variable: Variable to be retrieved


Current setting of variable; FALSE on error


get_cfg_var() checks for a PHP configuration variable and returns the current setting if the variable exists. For example, this function can be used to determine whether adding backslashes is enabled by default, or needs to be performed before database entry. A list of these configuration options can be found in the phpinfo() function, although options set either in Apache or at compile time cannot be accessed using this function.


Example 994. Check for location of error log

if (!$cfg = get_cfg_var("error_log")) {
  echo "error_log not set.\n";
echo "Error log is in $cfg;

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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