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@ 2013-05-27T19:36:14Z

<?php

class Foo
{
public $pos = 0;
public $str;
function __construct($str)
{
  $this->str = $str;
  $this->current = $this->lookAhead();
}
    function isLineBreak()
    {
        if ("\r" !== $this->current && "\n" !== $this->current) {
            return false;
        }

        $char = $this->current;
        do {
            $brk = ("\n" === $char);
            $char = $this->lookAhead();
            switch ($char) {
                case " ":
                    return false;
                case "\n":
                    if ($brk) {
                        return true;
                    }
                    break;
                default:
                    return $brk;
            }
        } while (true);
    }
  function lookAhead()
  {
return mb_strcut($this->str, $this->pos++, 1);
  }
}

function crlf($str)
{
$foo = new Foo($str);
return $foo->isLineBreak();
}

var_dump(crlf("\r\n"));
var_dump(crlf("\r\n "));
var_dump(crlf("\r\r\n"));
var_dump(crlf("\n\n"));
var_dump(crlf("\n\n "));
var_dump(crlf("\r\n\n"));
var_dump(crlf("\r\n\n "));
var_dump(crlf("\r\n8"));
var_dump(crlf("\n"));
var_dump(crlf("\n "));

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(false) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(false) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(true) Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/2sZXr on line 10 bool(false)

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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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