Online PHP editor | output for opjLk

@ 2017-11-17T23:42:55Z

<?php

$charmap = [
    'NUL' => "\x00", // NULL (U+0000)
    'SOH' => "\x01", // START OF HEADING (U+0001)
    'STX' => "\x02", // START OF TEXT (U+0002)
    'ETX' => "\x03", // END OF TEXT (U+0003)
    'EOT' => "\x04", // END OF TRANSMISSION (U+0004)
    'ENQ' => "\x05", // ENQUIRY (U+0005)
    'HT' => "\x09", // HORIZONTAL TAB (U+0009)
    'LF' => "\x0a", // LINE FEED (U+000A)
    'VT' => "\x0b", // VERTICAL TAB (U+000B)
    'CR' => "\x0d", // CARRIAGE RETURN (U+000D)
    'ETB' => "\x17", // END OF TRANSMISSION BLOCK (U+0017)
    'SP' => "\x20", // SPACE (U+0020)
    'ZWS' => "\xe2\x80\x8b", // ZERO WIDTH SPACE (U+200B)
    'MSBS' => "\xf0\x9d\x85\xb7", // MUSICAL SYMBOL BEGIN SLUR (U+1D177)
    'MSBP' => "\xf0\x9d\x85\xb9", // MUSICAL SYMBOL BEGIN PHRASE (U+1D179)
];

foreach ($charmap as $k => $v) {
    define($k, $v);
}

$strings = [
    'user6003859' =>
LF .
LF .
LF .
'a' . SP . 'b'. SP . SP . 'c' . SP . SP . SP . LF .
SP . 'd' . SP . SP . SP . SP . 'e' . LF .
MSBS . 'f' . MSBS . 'g' . MSBS . MSBS . 'h' . MSBS . MSBS . ZWS . ZWS . MSBP . MSBP . 'i' . MSBP . SP . MSBP . SP . 'j' . LF .
LF .
LF .
LF .
LF .
'k' . SP . 'l' . SP . 'm' . SP . 'n' . SP . SP . SP . LF .
MSBP . 'o' . MSBP . MSBP . 'p' . LF .
LF .
LF .
LF,

    'mickmackusa' =>
NUL . LF .
LF .
SOH . LF .
CR . LF .
VT .
ETB . 'a' . SP . 'ab' . CR . LF .
HT . HT . CR .
CR . LF .
'cà' . SOH . 'êß€' . NUL . NUL . 'abcbc'. SP . SP . SP . 'd' . LF .
LF .
HT . CR . LF .
ENQ . SP . SP . SP . 'e' . STX . LF .
ETX . LF .
EOT . LF
];


function display($str, $charmap) {
    $converter = array_map(function ($i) { return '{'.$i.'}'; }, array_flip($charmap));
    $handle = fopen("data:text/plain,$str", 'r');
    while ( false !== $line = fgets($handle) ) {
        echo strtr($line, $converter), PHP_EOL;
    }
    fclose($handle);
}


class Replacements {
    const FUNC = 0;
    const REGEX = 1;

    protected $patterns;
    protected $replacements;
    protected $func;
    protected $typeRegex;

    public function __construct($arg) {
        if ( is_array($arg) ) {
            $this->type = self::REGEX;
            $this->patterns = [];
            $this->replacements = [];
            $this->addPatterns($arg);
        } elseif ( is_callable($arg) ) {
            $this->type = self::FUNC;
            $this->addFunction($arg);
        } else throw new Exception('invalid argument type');
    }

    protected function addPatterns($replacements) {
        foreach($replacements as $pattern => $replacement) {
            $this->patterns[] = $pattern;
            $this->replacements[] = $replacement;
        }
    }

    protected function addFunction($func) {
        $this->func = $func; 
    }
    
    public function execute($str) {
        if ( $this->type === self::REGEX ) 
            return preg_replace($this->patterns, $this->replacements, $str);

        return call_user_func_array($this->func, [&$str]);
    } 
};

$original = new Replacements([
    '~\R~Su' => "\n",
    '/(?:^((\pZ)+|((?!\n)\pC)+)(?1)*)|((?1)$)|(?:((?2)+|(?3)+)(?=(?2)|(?3)))/um' => '',
    '/(\pZ+)|((?!\n)\pC)/u' => ' ',
    '/(^\n+)|(\n+$)|(\n(?=\n{2}))/u' => ''
]);

$new = new Replacements([
    '~\r\n?|\x0b|\f|\xe2\x80[\xa8\xa9]~S' => "\n",
    '~
       [^\pZ\pC]+ \K
       \pZ* (?:[^\PC\n]+\pZ*)*
       (?: (\n) \pZ*+ (?:[^\PC\n]+\pZ*)*+ (?: (\n) [\pZ\pC]* )?+ (?!\z) | [\pZ\pC]+ )?
     |
       [\pZ\pC]+
     ~Aux' => '$1$2 ',
    '~ (?:$|(?<=^ ))~m' => ''
]);

$simple = new Replacements([
  '~\A[\pZ\pC]+|[\pZ\pC]+\z~u' => '', # trim the string
  '~\R~u' => "\n", # normalize newlines
  '~\pZ+|[^\n\PC]+~u' => ' ', # replace Z and C with space
  '~^ +| +$| \K +~m' => '', # trim lines, delete consecutive spaces
  '~\n\n\K\n+~' => '' # removes more than 2 consecutives newlines
]);

// tests

$tests = ['original' => $original, 'new' => $new, 'simple' => $simple];

$str = $strings['user6003859'] . $strings['mickmackusa'];
$str = str_repeat($str, 10);

$res = [];
foreach ($tests as $k=>&$test) {
    $res[$k] = $test->execute($str);
}

echo 'same result: ', var_dump(count(array_unique($res)) === 1);

$names = array_keys($tests);
$times = array_fill_keys($names, 0);
define('REPETITIONS', 100);
for ($i=0; $i < REPETITIONS; $i++) {
    shuffle($names);
    foreach ($names as $name) {
        $start = microtime(true);
        $tests[$name]->execute($str);
        $stop = microtime(true);
        $times[$name] += $stop - $start;
    }
}

foreach($times as $k=>$v) {
    printf("%-12s: %.2es\n", $k, $v/REPETITIONS);
}

// display($res['new'], $charmap);

Output for 7.3.1: same result: bool(true) original : 1.19e-4s new : 4.48e-5s simple : 7.77e-5s
Output for 7.3.0: same result: bool(true) original : 1.23e-4s new : 4.49e-5s simple : 7.61e-5s
Output for 7.2.13: same result: bool(true) original : 9.63e-5s new : 3.66e-5s simple : 6.27e-5s
Output for 7.2.12: same result: bool(true) original : 1.35e-4s new : 5.17e-5s simple : 8.49e-5s
Output for 7.2.11: same result: bool(true) original : 1.03e-4s new : 3.79e-5s simple : 6.52e-5s
Output for 7.2.10: same result: bool(true) original : 1.03e-4s new : 3.74e-5s simple : 6.57e-5s
Output for 7.2.9: same result: bool(true) original : 9.94e-5s new : 3.63e-5s simple : 6.43e-5s
Output for 7.2.8: same result: bool(true) original : 1.00e-4s new : 3.69e-5s simple : 6.51e-5s
Output for 7.2.7: same result: bool(true) original : 1.09e-4s new : 4.07e-5s simple : 6.97e-5s
Output for 7.2.6: same result: bool(true) original : 9.87e-5s new : 3.69e-5s simple : 6.24e-5s
Output for 7.2.5: same result: bool(true) original : 1.02e-4s new : 3.80e-5s simple : 6.55e-5s
Output for 7.2.4: same result: bool(true) original : 1.10e-4s new : 4.18e-5s simple : 7.26e-5s
Output for 7.2.3: same result: bool(true) original : 1.12e-4s new : 4.28e-5s simple : 7.33e-5s
Output for 7.2.2: same result: bool(true) original : 1.62e-4s new : 6.17e-5s simple : 9.59e-5s
Output for 7.2.1: same result: bool(true) original : 1.08e-4s new : 4.05e-5s simple : 6.95e-5s
Output for 7.2.0: same result: bool(true) original : 1.11e-4s new : 4.19e-5s simple : 7.22e-5s
Output for 7.1.25: same result: bool(true) original : 1.78e-4s new : 6.93e-5s simple : 1.35e-4s
Output for 7.1.11: same result: bool(true) original : 1.51e-4s new : 5.60e-5s simple : 1.19e-4s
Output for 7.1.10: same result: bool(true) original : 1.87e-4s new : 7.09e-5s simple : 1.49e-4s
Output for 7.1.9: same result: bool(true) original : 1.54e-4s new : 5.82e-5s simple : 1.21e-4s
Output for 7.1.8: same result: bool(true) original : 1.52e-4s new : 5.54e-5s simple : 1.18e-4s
Output for 7.1.7: same result: bool(true) original : 1.41e-4s new : 5.13e-5s simple : 1.12e-4s
Output for 7.1.6: same result: bool(true) original : 1.46e-4s new : 5.50e-5s simple : 1.18e-4s
Output for 7.1.5: same result: bool(true) original : 1.40e-4s new : 5.32e-5s simple : 1.12e-4s
Output for 7.1.4: same result: bool(true) original : 1.42e-4s new : 5.35e-5s simple : 1.13e-4s
Output for 7.1.3: same result: bool(true) original : 1.45e-4s new : 5.49e-5s simple : 1.15e-4s
Output for 7.1.2: same result: bool(true) original : 1.49e-4s new : 5.42e-5s simple : 1.18e-4s
Output for 7.1.1: same result: bool(true) original : 1.42e-4s new : 5.36e-5s simple : 1.11e-4s
Output for 7.1.0: same result: bool(true) original : 1.37e-4s new : 5.17e-5s simple : 1.10e-4s
Output for 7.0.25: same result: bool(true) original : 1.48e-4s new : 5.62e-5s simple : 1.16e-4s
Output for 7.0.24: same result: bool(true) original : 1.55e-4s new : 5.97e-5s simple : 1.17e-4s
Output for 7.0.23: same result: bool(true) original : 1.55e-4s new : 5.70e-5s simple : 1.16e-4s
Output for 7.0.22: same result: bool(true) original : 1.50e-4s new : 5.61e-5s simple : 1.17e-4s
Output for 7.0.21: same result: bool(true) original : 1.39e-4s new : 5.17e-5s simple : 1.12e-4s
Output for 7.0.20: same result: bool(true) original : 1.40e-4s new : 9.14e-5s simple : 1.12e-4s
Output for 7.0.19: same result: bool(true) original : 1.40e-4s new : 5.31e-5s simple : 1.11e-4s
Output for 7.0.18: same result: bool(true) original : 1.49e-4s new : 5.38e-5s simple : 1.16e-4s
Output for 7.0.17: same result: bool(true) original : 1.42e-4s new : 5.44e-5s simple : 1.13e-4s
Output for 7.0.16: same result: bool(true) original : 1.49e-4s new : 5.66e-5s simple : 1.18e-4s
Output for 7.0.15: same result: bool(true) original : 1.46e-4s new : 5.44e-5s simple : 1.13e-4s
Output for 7.0.14: same result: bool(true) original : 1.40e-4s new : 5.22e-5s simple : 1.11e-4s
Output for 7.0.13: same result: bool(true) original : 1.36e-4s new : 5.25e-5s simple : 1.10e-4s
Output for 7.0.12: same result: bool(true) original : 1.36e-4s new : 5.21e-5s simple : 1.10e-4s
Output for 7.0.11: same result: bool(true) original : 1.44e-4s new : 5.49e-5s simple : 1.14e-4s
Output for 7.0.10: same result: bool(true) original : 1.44e-4s new : 5.53e-5s simple : 1.15e-4s
Output for 7.0.9: same result: bool(true) original : 1.52e-4s new : 5.63e-5s simple : 1.24e-4s
Output for 7.0.8: same result: bool(true) original : 2.55e-4s new : 9.66e-5s simple : 2.12e-4s
Output for 7.0.7: same result: bool(true) original : 1.58e-4s new : 6.33e-5s simple : 1.27e-4s
Output for 7.0.6: same result: bool(true) original : 1.44e-4s new : 5.54e-5s simple : 1.14e-4s
Output for 7.0.5: same result: bool(true) original : 1.45e-4s new : 5.55e-5s simple : 1.18e-4s
Output for 7.0.4: same result: bool(true) original : 2.23e-4s new : 8.66e-5s simple : 1.98e-4s
Output for 7.0.3: same result: bool(true) original : 1.60e-4s new : 6.23e-5s simple : 1.33e-4s
Output for 7.0.2: same result: bool(true) original : 1.58e-4s new : 5.81e-5s simple : 1.22e-4s
Output for 7.0.1: same result: bool(true) original : 2.62e-4s new : 1.02e-4s simple : 2.01e-4s
Output for 7.0.0: same result: bool(true) original : 1.51e-4s new : 5.73e-5s simple : 1.21e-4s

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