Online PHP editor | rfc for f8Boe

@ 2017-03-09T10:58:25Z

<?php

if (!function_exists('interface_exists')) {
    die('PHP version too old');
}
$throwables = listThrowableClasses();
$throwablesPerParent = splitInParents($throwables);
printTree($throwablesPerParent);
if (count($throwablesPerParent) !== 0) {
    die('ERROR!!!');
}

function listThrowableClasses()
{
    $result = [];
    if (interface_exists('Throwable')) {
        foreach (get_declared_classes() as $cn) {
            $implements = class_implements($cn);
            if (isset($implements['Throwable'])) {
                $result[] = $cn;
            }
        }
    } else {
        foreach (get_declared_classes() as $cn) {
            if ($cn === 'Exception' || is_subclass_of($cn, 'Exception')) {
                $result[] = $cn;
            }
        }
    }

    return $result;
}

function splitInParents($classes)
{
    $result = [];
    foreach ($classes as $cn) {
        $parent = (string) get_parent_class($cn);
        if (isset($result[$parent])) {
            $result[$parent][] = $cn;
        } else {
            $result[$parent] = [$cn];
        }
    }

    return $result;
}

function printTree(&$tree)
{
    if (!isset($tree[''])) {
        die('No root classes!!!');
    }
    printLeaves($tree, '', 0);
}
function printLeaves(&$tree, $parent, $level)
{
    if (isset($tree[$parent])) {
        $leaves = $tree[$parent];
        unset($tree[$parent]);
        natcasesort($leaves);
        $leaves = array_values($leaves);
        $count = count($leaves);
        for ($i = 0; $i < $count; ++$i) {
            $leaf = $leaves[$i];
            echo str_repeat('   ', $level), $leaf, "\n";
            printLeaves($tree, $leaf, $level + 1);
        }
    }
}

Output for git.master, git.master_jit, rfc.property-hooks: Error ArithmeticError DivisionByZeroError AssertionError CompileError ParseError DateError DateObjectError DateRangeError FiberError Random\RandomError Random\BrokenRandomEngineError TypeError ArgumentCountError UnhandledMatchError ValueError Exception ClosedGeneratorException DateException DateInvalidOperationException DateInvalidTimeZoneException DateMalformedIntervalStringException DateMalformedPeriodStringException DateMalformedStringException DOMException dom\domexception ErrorException IntlException JsonException LogicException BadFunctionCallException BadMethodCallException DomainException InvalidArgumentException LengthException OutOfRangeException PharException Random\RandomException ReflectionException RequestParseBodyException RuntimeException OutOfBoundsException OverflowException PDOException RangeException UnderflowException UnexpectedValueException SQLite3Exception

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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