/**
* Takes a function and returns a new function that wraps the callback and suppresses the PHP error
*
* @param callable $callback
* @throws ErrorException Throws exception if PHP error happened
* @return mixed
*/
function suppress_error(callable $callback)
{
return function (...$arguments) use($callback) {
try {
set_error_handler(const_function(null));
return $callback(...$arguments);
} finally {
restore_error_handler();
}
};
}
public function testWithValue()
{
$const = const_function('value');
$this->assertSame('value', $const());
}
public function testCompareWithReducer()
{
$compare = compare_object_hash_on('strcmp', const_function(new stdClass()));
$this->assertSame(0, $compare($this, new stdClass()));
}
public function testCompareWithReducer()
{
$comparator = compare_on('strcmp', const_function(1));
$this->assertSame(0, $comparator(0, 1));
}