Online PHP editor | rfc for Ai3HZ

@ 2022-08-04T17:42:00Z

<?php

$word = 'base64_decode';

echo 'bin2hex: '  . PHP_EOL;
echo implode(array_map(function($char) {
    return '\x' . bin2hex($char);
}, str_split($word))) . PHP_EOL . PHP_EOL;

echo 'unpack: ' . PHP_EOL;
echo implode(array_map(function($char) {
    return '\x' . implode(unpack('H*', $char));
}, str_split($word))) . PHP_EOL . PHP_EOL;

echo 'sprintf: ' . PHP_EOL;
echo $encoded = implode(array_map(function($char) {
        return sprintf('\x%02X', ord($char));
}, (array) str_split($word)));
echo PHP_EOL . PHP_EOL;

echo '-------------------------' . PHP_EOL . PHP_EOL . 'decoded:' . PHP_EOL;
$hexadecimal = str_replace('\x', '', $encoded);

echo 'hex2bin:' . PHP_EOL;
echo hex2bin($hexadecimal) . PHP_EOL  . PHP_EOL;

echo 'pack:' . PHP_EOL;
echo pack('H*', $hexadecimal) . PHP_EOL . PHP_EOL;

echo 'sscanf + vprintf' . PHP_EOL;
vprintf(str_repeat('%c', count($f = sscanf($hexadecimal, str_repeat('%02X', substr_count($encoded , '\x'))))), $f);

Output for git.master_jit, git.master, rfc.property-hooks: bin2hex: \x62\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65 unpack: \x62\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65 sprintf: \x62\x61\x73\x65\x36\x34\x5F\x64\x65\x63\x6F\x64\x65 ------------------------- decoded: hex2bin: base64_decode pack: base64_decode sscanf + vprintf base64_decode

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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