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max

Description

The max of Math for PHP finds the highest value.

Syntax

max(
    mixed $value,
    mixed ...$values
): mixed
max(
    array $value_array
): mixed

Parameters

value

Any comparable value.

values

Any comparable values.

value_array

An array containing the values.

Return

Returns the parameter value considered "highest" according to standard comparisons.

If multiple values of different types evaluate as equal (e.g. 0 and 'abc') the first provided to the function will be returned.

Examples

1 · value values

<?

$value = 0;
$values1 = 1;
$values2 = 2;
$values3 = 3;

$return = max($value, $values1, $values2, $values3);

echo $return;

3

2 · value_array

<?

$value_array = 
[
    0,
    1,
    2,
    3
];

$return = max($value_array);

echo $return;

3

3 · false < true

<?

$value = false;
$values = true;

$return = max($value, $values);

var_dump($return);

bool(true)

4 · = · first

<?

$value = 0;
$values = false;

$return = max($value, $values);

var_dump($return);

int(0)

5 · = · first

<?

$value = false;
$values = 0;

$return = max($value, $values);

var_dump($return);

bool(false)

6 · array · length

<?

$value =
[
    1,
    2,
    3
];
$values =
[
    10,
    20
];

$return = max($value, $values);

print_r($return);

Array
(
    [0] => 1
    [1] => 2
    [2] => 3
)

7 · array · left to right

<?

$value =
[
    1,
    20,
    30
];
$values =
[
    10,
    2,
    3
];

$return = max($value, $values);

print_r($return);

Array
(
    [0] => 10
    [1] => 2
    [2] => 3
)

8 · non-array < array

<?

$value = 10;
$values1 = "20";
$values2 =
[
    0,
    1
];

$return = max($value, $values1, $values2);

print_r($return);

Array
(
    [0] => 0
    [1] => 1
)