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max — Returns the highest value out of the values passed.


mixed max(arg1[, arg2][, . . .]);
mixed arg1: Value to test
mixed arg2 (optional): Value to test
mixed . . . (optional): Further arguments


Greatest value of arguments passed


max() returns the value of the numerically greatest of the arguments passed to it. If the first argument is an array, then the element of that array having the numerically greatest value will be returned. Alternatively, any number of arguments may be passed, in which case the greatest of them will be the result.

This function handles negative numbers correctly, in that negative numbers are considered greater the closer they are to zero. For instance -3 is greater than -4, and -2.123 is greater than -2.345, and so on.


PHP 3, PHP 4

See also

See also min()


Example 679. Get the maximum of a set of values

$var1 = 12;
$var2 = 34.5;
$var3 = 28;
echo "Max value is ", max($var1, $var2, $var3);

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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