<?php
namespace Encase\Functional;
/**
* Check if the value has a given type or any of multiple given types, and
* return the matched type.
*
* $type can be a type denoted by PHP's is_* functions (e.g. "iterable").
* Additionally, it can be a class name, resulting in an instanceof check.
* "function" is an additional type to distinguish from strings and arrays
* that are ambiguously callable, which passes for \Encase\Functional\Func
* or a \Closure.
*
* @param mixed $value The value to test.
* @param string|array $type The type, or array of types of which $value
* must be any one of. A class name or one of: "array",
* "bool", "callable", "countable", "double", "float",
* "function", "int", "integer", "long", "null",
* "numeric", "object", "real", "resource", "scalar",
* "string"
* @return bool|string Returns the matched type string or FALSE if none match.
*/
function isType($value, $type)
{
if (!$type) {
return false;
}
$types = (array)$type;
$match = false;
foreach ($types as $type) {
if (\function_exists("is_$type")) {
if (\call_user_func("is_$type", $value)) {
$match = true;
}
} elseif ($type === 'function') {
if ($value instanceof \Closure || $value instanceof Func) {
$match = true;
}
} elseif ($type === 'countable') { // polyfill for PHP <7.3
if ((\is_array($value) || $value instanceof \Countable)) {
$match = true;
}
} elseif ($value instanceof $type) {
$match = true;
}
if ($match) {
return $type;
}
}
return false;
}
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