Comparisons\isGreaterThan()

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predicate returns Closure returns bool pure
number → (number → bool)
At a glance — value > threshold as a reusable predicate. Bind the threshold up front.

Creates a predicate Closure that is true when the passed number is strictly greater than the bound number. 

/**
  * @param int|float $a
  * @return Closure(int|float):bool
  */
Comparisons\isGreaterThan($a): Closure

Returned Closure

When Comparisons\isGreaterThan() is called, it returns the following Closure which can be used like a regular function.

/**
  * @param int|float $b
  * @return bool
  */
$function ($b): bool

Examples

Partial Application

This can be used to create a simple closure which can be used as a regular function. 

$over18 = Comparisons\isGreaterThan(18);

var_dump($over18(21)); // true
var_dump($over18(18)); // false  (strict)
var_dump($over18(17)); // false

$adults = array_filter([15, 18, 21, 30], $over18);
print_r($adults); // [21, 30]

Details

Comparisons Functions

Releated Ordering Functions