📄 Viewing: scalar_null.phpt
--TEST--
Scalar type nullability
--FILE--
<?php
$functions = [
'int' => function (int $i) { return $i; },
'float' => function (float $f) { return $f; },
'string' => function (string $s) { return $s; },
'bool' => function (bool $b) { return $b; },
'int nullable' => function (int $i = NULL) { return $i; },
'float nullable' => function (float $f = NULL) { return $f; },
'string nullable' => function (string $s = NULL) { return $s; },
'bool nullable' => function (bool $b = NULL) { return $b; }
];
foreach ($functions as $type => $function) {
echo "Testing $type:", PHP_EOL;
try {
var_dump($function(null));
} catch (TypeError $e) {
echo "*** Caught " . $e->getMessage() . PHP_EOL;
}
}
echo PHP_EOL . "Done";
?>
--EXPECTF--
Testing int:
*** Caught Argument 1 passed to {closure}() must be of the type int, null given, called in %s on line %d
Testing float:
*** Caught Argument 1 passed to {closure}() must be of the type float, null given, called in %s on line %d
Testing string:
*** Caught Argument 1 passed to {closure}() must be of the type string, null given, called in %s on line %d
Testing bool:
*** Caught Argument 1 passed to {closure}() must be of the type bool, null given, called in %s on line %d
Testing int nullable:
NULL
Testing float nullable:
NULL
Testing string nullable:
NULL
Testing bool nullable:
NULL
Done
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Directory: /usr/src/php-7.4.23/Zend/tests/type_declarations