<?php
function strict()
{
$backtrace = debug_backtrace(0, 2);
if (false === $backtrace || count($backtrace) !== 2) {
throw new \RuntimeException('strict() must be called from within a function');
}
$expectedTypes = func_get_args();
$receivedTypes = array_map('gettype', $backtrace[1]['args']);
if (count($expectedTypes) !== count($receivedTypes)) {
throw new \InvalidArgumentException('Got ' . count($receivedTypes) . ' arguments, expected ' . count($expectedTypes));
}
for ($i = 0; $i < count($expectedTypes); $i++) {
if ($expectedTypes[$i] !== $receivedTypes[$i]) {
throw new \InvalidArgumentException('Expected argument ' . ($i + 1) . ' to be of type ' . $expectedTypes[$i] . ', received ' . $receivedTypes[$i]);
}
}
}
function myargs($a, $b)
{
strict('string', 'integer');
echo 'Hello';
}
myargs('hello', 4);
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Hello
preferences:
241.87 ms | 404 KiB | 367 Q