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@ 2013-06-07T12:59:47Z

<?php
function unicode2utf8($c){
    $output="";
   
    if($c < 0x80)
    {
        return chr($c);
    }
    else if($c < 0x800)
    {
        return chr( 0xc0 | ($c >> 6) ).chr( 0x80 | ($c & 0x3f) );
    }
    else if($c < 0x10000)
    {
        return chr( 0xe0 | ($c >> 12) ).chr( 0x80 | (($c >> 6) & 0x3f) ).chr( 0x80 | ($c & 0x3f) );
    }
    else if($c < 0x200000)
    {
        return chr(0xf0 | ($c >> 18)).chr(0x80 | (($c >> 12) & 0x3f)).chr(0x80 | (($c >> 6) & 0x3f)).chr(0x80 | ($c & 0x3f));
    }
    return false;
}

function sanitizeFileName( $name ) {
        $invalidCharacters = array("\x2f", "\x22", "\x2a", "\x3a", "\x3c", "\x3e", "\x3f", "\x5c", "\x7f");
        $name = str_replace($invalidCharacters, '', $name);
    	$name = preg_replace('/[a-b]/', '', $name);
    var_dump('0 '.$name);
        $name = preg_replace('/[\x{0000}-\x{001F}]', '', $name);
    var_dump('1 '.$name);
        $name = preg_replace('/[\x{0080}-\x{009F}]', '', $name);
    var_dump('2 '.$name);
        $name = preg_replace('/[\x{E000}-\x{F8FF}]', '', $name);
    var_dump('3 '.$name);
        $name = preg_replace('/[\x{FDD0}-\x{FDEF}]', '', $name);
    var_dump('4 '.$name);
        $name = preg_replace('/[\x{FFF0}-\x{FFFF}]', '', $name);
    var_dump('5 '.$name);

        return $name;
    }

$str = "blablabla ǹéñ~#>< - ".unicode2utf8(0xE001).' - '.unicode2utf8(0xFDD3).' - '.unicode2utf8(0xFD00);
var_dump($str);
var_dump(sanitizeFileName($str));

Output for git.master, git.master_jit, rfc.property-hooks: string(38) "blablabla ǹéñ~#>< -  - ﷓ - ﴀ" string(32) "0 lll ǹéñ~# -  - ﷓ - ﴀ" Warning: preg_replace(): No ending delimiter '/' found in /in/1kP8L on line 29 string(2) "1 " Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/1kP8L on line 31 Warning: preg_replace(): No ending delimiter '/' found in /in/1kP8L on line 31 string(2) "2 " Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/1kP8L on line 33 Warning: preg_replace(): No ending delimiter '/' found in /in/1kP8L on line 33 string(2) "3 " Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/1kP8L on line 35 Warning: preg_replace(): No ending delimiter '/' found in /in/1kP8L on line 35 string(2) "4 " Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/1kP8L on line 37 Warning: preg_replace(): No ending delimiter '/' found in /in/1kP8L on line 37 string(2) "5 " NULL

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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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