Issues in String.php (master) - Issues in master - nabble/ajde - Measure and Improve Code Quality continuously with Scrutinizer

Issues (1919)

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Cross-Site Scripting

Cross-Site Scripting enables an attacker to inject code into the response of a web-request that is viewed by other users. It can for example be used to bypass access controls, or even to take over other users' accounts.

File Exposure

File Exposure allows an attacker to gain access to local files that he should not be able to access. These files can for example include database credentials, or other configuration files.

File Manipulation

File Manipulation enables an attacker to write custom data to files. This potentially leads to injection of arbitrary code on the server.

Object Injection

Object Injection enables an attacker to inject an object into PHP code, and can lead to arbitrary code execution, file exposure, or file manipulation attacks.

Code Injection

Code Injection enables an attacker to execute arbitrary code on the server.

Response Splitting

Response Splitting can be used to send arbitrary responses.

File Inclusion

File Inclusion enables an attacker to inject custom files into PHP's file loading mechanism, either explicitly passed to include, or for example via PHP's auto-loading mechanism.

Command Injection

Command Injection enables an attacker to inject a shell command that is execute with the privileges of the web-server. This can be used to expose sensitive data, or gain access of your server.

SQL Injection

SQL Injection enables an attacker to execute arbitrary SQL code on your database server gaining access to user data, or manipulating user data.

XPath Injection

XPath Injection enables an attacker to modify the parts of XML document that are read. If that XML document is for example used for authentication, this can lead to further vulnerabilities similar to SQL Injection.

LDAP Injection

LDAP Injection enables an attacker to inject LDAP statements potentially granting permission to run unauthorized queries, or modify content inside the LDAP tree.

Header Injection

Other Vulnerability

This category comprises other attack vectors such as manipulating the PHP runtime, loading custom extensions, freezing the runtime, or similar.

Regex Injection

Regex Injection enables an attacker to execute arbitrary code in your PHP process.

XML Injection

XML Injection enables an attacker to read files on your local filesystem including configuration files, or can be abused to freeze your web-server process.

Variable Injection

Variable Injection enables an attacker to overwrite program variables with custom data, and can lead to further vulnerabilities.

Unfortunately, the security analysis is currently not available for your project. If you are a non-commercial open-source project, please contact support to gain access.

lib/Ajde/Component/String.php (8 issues)

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<?php

class Ajde_Component_String extends Ajde_Component
{
    protected static $_allowedTags = '<table><tr><td><th><tfoot><tbody><thead><a><br><p><div><ul><li><b><h1><h2><h3><h4><h5><h6><strong><i><em><u><img><span><pre>';

    public static function processStatic(Ajde_Template_Parser $parser, $attributes)
    {
        $instance = new self($parser, $attributes);

        return $instance->process();
    }

    protected function _init()
    {
        return [
            'escape' => 'escape',
            'clean'  => 'clean',
        ];
    }

    public function process()
    {
        switch ($this->_attributeParse()) {
            case 'escape':
                $var = $this->attributes['var'];

                return $this->escape($var);
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
            case 'clean':
                $var = $this->attributes['var'];

                return $this->clean($var);
                break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
        }
        // TODO:
        throw new Ajde_Component_Exception();
    }

    public static function escape($var)
    {
        if (is_array($var)) {
            array_walk($var, ['Ajde_Component_String', 'rescape']);

            return $var;
        } else {
            return self::_escape($var);
        }
    }

    private static function rescape(&$var, $key)

    {
        if (is_array($var)) {
            array_walk($var, ['Ajde_Component_String', 'rescape']);
        } else {
            $var = htmlspecialchars($var, ENT_QUOTES);
        }
    }

    private static function _escape($var)
    {
        return htmlspecialchars($var, ENT_QUOTES);
    }

    public static function clean($var)
    {
        $clean = strip_tags($var, self::$_allowedTags);

        return $clean;
    }

    public static function purify($var)
    {
        $external = Ajde_Core_ExternalLibs::getInstance();
        if ($external->has('HTMLPurifier')) {
            $purifier = $external->get('HTMLPurifier');

            /* @var $purifier HTMLPurifier */

            $config = HTMLPurifier_Config::createDefault();

            $config->set('AutoFormat.AutoParagraph', true);
            $config->set('AutoFormat.DisplayLinkURI', false);
            $config->set('AutoFormat.Linkify', false);
            $config->set('AutoFormat.RemoveEmpty', true);
            $config->set('AutoFormat.RemoveSpansWithoutAttributes', true);

            $config->set('CSS.AllowedProperties', '');

            $config->set('HTML.Doctype', 'XHTML 1.0 Strict');

            $config->set('URI.DisableExternalResources', true);

            $purifier->config = HTMLPurifier_Config::create($config);

            return $purifier->purify($var);
        } else {
            return self::clean($var);
        }
    }

    // http://www.php.net/manual/en/language.types.boolean.php#101180
    public static function toBoolean($val, $trueValues = ['yes', 'y', 'true'], $forceLowercase = true)
    {
        if (is_string($val)) {
            return in_array(($forceLowercase ? strtolower($val) : $val), $trueValues);
        } else {
            return (bool) $val;
        }
    }

    public static function makePlural($count, $singular)
    {
        $count = (int) $count;
        $ret = $count.' '.$singular;
        if ($count > 1 || $count == 0) {
            $ret .= 's';
        }

        return $ret;
    }

    /**
     * Validate an email address.
     * Provide email address (raw input)
     * Returns true if the email address has the email
     * address format and the domain exists.
     *
     * @see http://www.linuxjournal.com/article/9585?page=0,3
     *
     * @return bool
     */
    public static function validEmail($email)
    {
        $isValid = true;
        $atIndex = strrpos($email, '@');
        if (is_bool($atIndex) && !$atIndex) {
            $isValid = false;
        } else {
            $domain = substr($email, $atIndex + 1);
            $local = substr($email, 0, $atIndex);
            $localLen = strlen($local);
            $domainLen = strlen($domain);
            if ($localLen < 1 || $localLen > 64) {
                // local part length exceeded
                $isValid = false;
            } else {
                if ($domainLen < 1 || $domainLen > 255) {
                    // domain part length exceeded
                    $isValid = false;
                } else {
                    if ($local[0] == '.' || $local[$localLen - 1] == '.') {
                        // local part starts or ends with '.'
                        $isValid = false;
                    } else {
                        if (preg_match('/\\.\\./', $local)) {
                            // local part has two consecutive dots
                            $isValid = false;
                        } else {
                            if (!preg_match('/^[A-Za-z0-9\\-\\.]+$/', $domain)) {
                                // character not valid in domain part
                                $isValid = false;
                            } else {
                                if (preg_match('/\\.\\./', $domain)) {
                                    // domain part has two consecutive dots
                                    $isValid = false;
                                } else {
                                    if (!preg_match('/^(\\\\.|[A-Za-z0-9!#%&`_=\\/$\'*+?^{}|~.-])+$/',
                                        str_replace('\\\\', '', $local))
                                    ) {
                                        // character not valid in local part unless
                                        // local part is quoted
                                        if (!preg_match('/^"(\\\\"|[^"])+"$/',
                                            str_replace('\\\\', '', $local))
                                        ) {
                                            $isValid = false;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            if ($isValid && !(checkdnsrr($domain, 'MX') || checkdnsrr($domain, 'A'))) {
                // domain not found in DNS
                $isValid = false;
            }
        }

        return $isValid;
    }

    /**
     * Cut string to n symbols and add delim but do not break words.
     *
     * Example:
     * <code>
     *  $string = 'this sentence is way too long';
     *  echo neat_trim($string, 16);
     * </code>
     *
     * Output: 'this sentence is...'
     *
     * @param             string    string we are operating with
     * @param             int   character count to cut to
     * @param string|null delimiter . Default: '...'
     *
     * @return string processed string
     *
     * @see    http://www.justin-cook.com/wp/2006/06/27/php-trim-a-string-without-cutting-any-words/
     **/
    public static function trim($str, $n, $delim = '...')
    {
        $len = strlen($str);
        if ($len > $n) {
            $str = str_replace("\n", '', $str);
            $str = str_replace("\r", '', $str);
            $n = $n - strlen($delim);
            preg_match('/(.{'.$n.'}.*?)\b/', $str, $matches);

            return rtrim($matches[1]).$delim;
        } else {
            return $str;
        }
    }

    public static function ltrim($str, $start, $delim = '...')
    {
        $pos = strpos($str, ' ', $start);

        return $delim.substr($str, $pos);
    }

    public static function highlight($str, $search, $trim = 100, $delim = '...')
    {
        $str = str_ireplace($search, '<span class="highlight">'.$search.'</span>', $str);
        if ($trim) {
            if (($first = strpos($str, '<span class="highlight">')) > ($trim / 2)) {
                $str = self::ltrim($str, $first - ($trim / 2));
            }
            $str = self::trim($str, $trim, $delim);
        }

        return $str;
    }

    /**
     *  UrlLinker - facilitates turning plain text URLs into HTML links.
     *
     *  Author: Søren Løvborg
     *
     *  To the extent possible under law, Søren Løvborg has waived all copyright
     *  and related or neighboring rights to UrlLinker.
     *  http://creativecommons.org/publicdomain/zero/1.0/
     */

    /**
     *  Transforms plain text into valid HTML, escaping special characters and
     *  turning URLs into links.
     */
    public static function link($text)
    {
        /*
         *  Regular expression bits used by htmlEscapeAndLinkUrls() to match URLs.
         */
        $rexScheme = 'https?://';
        // $rexScheme    = "$rexScheme|ftp://"; // Uncomment this line to allow FTP addresses.
        $rexDomain = '(?:[-a-zA-Z0-9]{1,63}\.)+[a-zA-Z][-a-zA-Z0-9]{1,62}';
        $rexIp = '(?:[1-9][0-9]{0,2}\.|0\.){3}(?:[1-9][0-9]{0,2}|0)';
        $rexPort = '(:[0-9]{1,5})?';
        $rexPath = '(/[!$-/0-9:;=@_\':;!a-zA-Z\x7f-\xff]*?)?';
        $rexQuery = '(\?[!$-/0-9:;=@_\':;!a-zA-Z\x7f-\xff]+?)?';
        $rexFragment = '(#[!$-/0-9:;=@_\':;!a-zA-Z\x7f-\xff]+?)?';
        $rexUsername = '[^]\\\\\x00-\x20\"(),:-<>[\x7f-\xff]{1,64}';
        $rexPassword = $rexUsername; // allow the same characters as in the username
        $rexUrl = "($rexScheme)?(?:($rexUsername)(:$rexPassword)?@)?($rexDomain|$rexIp)($rexPort$rexPath$rexQuery$rexFragment)";
        $rexTrailPunct = "[)'?.!,;:]"; // valid URL characters which are not part of the URL if they appear at the very end
        $rexNonUrl = "[^-_$+.!*'(),;/?:@=&a-zA-Z0-9]"; // characters that should never appear in a URL
        $rexUrlLinker = "{\\b$rexUrl(?=$rexTrailPunct*($rexNonUrl|$))}";

        /**
         *  $validTlds is an associative array mapping valid TLDs to the value true.
         *  Since the set of valid TLDs is not static, this array should be updated
         *  from time to time.
         *
         *  List source:  http://data.iana.org/TLD/tlds-alpha-by-domain.txt
         *  Version 2015062200, last updated mon jun 22 07:07:02 2015 utc
         */
        $validTlds = array_fill_keys(explode(' ',
            '.abb .abbott .abogado .ac .academy .accenture .accountant .accountants .active .actor .ad .ads .adult .ae .aeg .aero .af .afl .ag .agency .ai .aig .airforce .al .allfinanz .alsace .am .amsterdam .an .android .ao .apartments .aq .aquarelle .ar .archi .army .arpa .as .asia .associates .at .attorney .au .auction .audio .auto .autos .aw .ax .axa .az .azure .ba .band .bank .bar .barclaycard .barclays .bargains .bauhaus .bayern .bb .bbc .bbva .bd .be .beer .berlin .best .bf .bg .bh .bharti .bi .bible .bid .bike .bing .bingo .bio .biz .bj .black .blackfriday .bloomberg .blue .bm .bmw .bn .bnpparibas .bo .boats .bond .boo .boutique .br .bridgestone .broker .brother .brussels .bs .bt .budapest .build .builders .business .buzz .bv .bw .by .bz .bzh .ca .cab .cafe .cal .camera .camp .cancerresearch .canon .capetown .capital .caravan .cards .care .career .careers .cars .cartier .casa .cash .casino .cat .catering .cbn .cc .cd .center .ceo .cern .cf .cfa .cfd .cg .ch .channel .chat .cheap .chloe .christmas .chrome .church .ci .cisco .citic .city .ck .cl .claims .cleaning .click .clinic .clothing .club .cm .cn .co .coach .codes .coffee .college .cologne .com .community .company .computer .condos .construction .consulting .contractors .cooking .cool .coop .corsica .country .coupons .courses .cr .credit .creditcard .cricket .crown .crs .cruises .cu .cuisinella .cv .cw .cx .cy .cymru .cyou .cz .dabur .dad .dance .date .dating .datsun .day .dclk .de .deals .degree .delivery .democrat .dental .dentist .desi .design .dev .diamonds .diet .digital .direct .directory .discount .dj .dk .dm .dnp .do .docs .dog .doha .domains .doosan .download .drive .durban .dvag .dz .earth .eat .ec .edu .education .ee .eg .email .emerck .energy .engineer .engineering .enterprises .epson .equipment .er .erni .es .esq .estate .et .eu .eurovision .eus .events .everbank .exchange .expert .exposed .express .fail .faith .fan .fans .farm .fashion .feedback .fi .film .finance .financial .firmdale .fish .fishing .fit .fitness .fj .fk .flights .florist .flowers .flsmidth .fly .fm .fo .foo .football .forex .forsale .foundation .fr .frl .frogans .fund .furniture .futbol .fyi .ga .gal .gallery .garden .gb .gbiz .gd .gdn .ge .gent .genting .gf .gg .ggee .gh .gi .gift .gifts .gives .gl .glass .gle .global .globo .gm .gmail .gmo .gmx .gn .gold .goldpoint .golf .goo .goog .google .gop .gov .gp .gq .gr .graphics .gratis .green .gripe .gs .gt .gu .guge .guide .guitars .guru .gw .gy .hamburg .hangout .haus .healthcare .help .here .hermes .hiphop .hitachi .hiv .hk .hm .hn .hockey .holdings .holiday .homedepot .homes .honda .horse .host .hosting .hotmail .house .how .hr .ht .hu .ibm .icbc .icu .id .ie .ifm .il .im .immo .immobilien .in .industries .infiniti .info .ing .ink .institute .insure .int .international .investments .io .iq .ir .irish .is .it .iwc .java .jcb .je .jetzt .jewelry .jlc .jll .jm .jo .jobs .joburg .jp .juegos .kaufen .kddi .ke .kg .kh .ki .kim .kitchen .kiwi .km .kn .koeln .komatsu .kp .kr .krd .kred .kw .ky .kyoto .kz .la .lacaixa .land .lasalle .lat .latrobe .lawyer .lb .lc .lds .lease .leclerc .legal .lgbt .li .liaison .lidl .life .lighting .limited .limo .link .lk .loan .loans .lol .london .lotte .lotto .love .lr .ls .lt .ltda .lu .lupin .luxe .luxury .lv .ly .ma .madrid .maif .maison .management .mango .market .marketing .markets .marriott .mba .mc .md .me .media .meet .melbourne .meme .memorial .men .menu .mg .mh .miami .microsoft .mil .mini .mk .ml .mm .mma .mn .mo .mobi .moda .moe .monash .money .montblanc .mormon .mortgage .moscow .motorcycles .mov .movie .mp .mq .mr .ms .mt .mtn .mtpc .mu .museum .mv .mw .mx .my .mz .na .nadex .nagoya .name .navy .nc .ne .nec .net .network .neustar .new .news .nexus .nf .ng .ngo .nhk .ni .nico .ninja .nissan .nl .no .np .nr .nra .nrw .ntt .nu .nyc .nz .okinawa .om .one .ong .onl .online .ooo .oracle .org .organic .osaka .otsuka .ovh .pa .page .panerai .paris .partners .parts .party .pe .pf .pg .ph .pharmacy .philips .photo .photography .photos .physio .piaget .pics .pictet .pictures .pink .pizza .pk .pl .place .play .plumbing .plus .pm .pn .pohl .poker .porn .post .pr .praxi .press .pro .prod .productions .prof .properties .property .ps .pt .pub .pw .py .qa .qpon .quebec .racing .re .realtor .recipes .red .redstone .rehab .reise .reisen .reit .ren .rent .rentals .repair .report .republican .rest .restaurant .review .reviews .rich .rio .rip .ro .rocks .rodeo .rs .rsvp .ru .ruhr .run .rw .ryukyu .sa .saarland .sale .samsung .sandvik .sandvikcoromant .sap .sarl .saxo .sb .sc .sca .scb .schmidt .scholarships .school .schule .schwarz .science .scot .sd .se .seat .sener .services .sew .sex .sexy .sg .sh .shiksha .shoes .show .shriram .si .singles .site .sj .sk .ski .sky .sl .sm .sn .sncf .so .soccer .social .software .sohu .solar .solutions .sony .soy .space .spiegel .spreadbetting .sr .st .statoil .study .style .su .sucks .supplies .supply .support .surf .surgery .suzuki .sv .swiss .sx .sy .sydney .systems .sz .taipei .tatar .tattoo .tax .taxi .tc .td .team .tech .technology .tel .temasek .tennis .tf .tg .th .thd .theater .tickets .tienda .tips .tires .tirol .tj .tk .tl .tm .tn .to .today .tokyo .tools .top .toray .toshiba .tours .town .toys .tr .trade .trading .training .travel .trust .tt .tui .tv .tw .tz .ua .ug .uk .university .uno .uol .us .uy .uz .va .vacations .vc .ve .vegas .ventures .versicherung .vet .vg .vi .viajes .video .villas .vision .vlaanderen .vn .vodka .vote .voting .voto .voyage .vu .wales .walter .wang .watch .webcam .website .wed .wedding .weir .wf .whoswho .wien .wiki .williamhill .win .windows .wme .work .works .world .ws .wtc .wtf .xbox .xerox .xin .xn--1qqw23a .xn--30rr7y .xn--3bst00m .xn--3ds443g .xn--3e0b707e .xn--45brj9c .xn--45q11c .xn--4gbrim .xn--55qw42g .xn--55qx5d .xn--6frz82g .xn--6qq986b3xl .xn--80adxhks .xn--80ao21a .xn--80asehdb .xn--80aswg .xn--90a3ac .xn--90ais .xn--9et52u .xn--b4w605ferd .xn--c1avg .xn--cg4bki .xn--clchc0ea0b2g2a9gcd .xn--czr694b .xn--czrs0t .xn--czru2d .xn--d1acj3b .xn--d1alf .xn--estv75g .xn--fiq228c5hs .xn--fiq64b .xn--fiqs8s .xn--fiqz9s .xn--fjq720a .xn--flw351e .xn--fpcrj9c3d .xn--fzc2c9e2c .xn--gecrj9c .xn--h2brj9c .xn--hxt814e .xn--i1b6b1a6a2e .xn--imr513n .xn--io0a7i .xn--j1amh .xn--j6w193g .xn--kcrx77d1x4a .xn--kprw13d .xn--kpry57d .xn--kput3i .xn--l1acc .xn--lgbbat1ad8j .xn--mgb9awbf .xn--mgba3a4f16a .xn--mgbaam7a8h .xn--mgbab2bd .xn--mgbayh7gpa .xn--mgbbh1a71e .xn--mgbc0a9azcg .xn--mgberp4a5d4ar .xn--mgbpl2fh .xn--mgbx4cd0ab .xn--mxtq1m .xn--ngbc5azd .xn--node .xn--nqv7f .xn--nqv7fs00ema .xn--nyqy26a .xn--o3cw4h .xn--ogbpf8fl .xn--p1acf .xn--p1ai .xn--pgbs0dh .xn--q9jyb4c .xn--qcka1pmc .xn--rhqv96g .xn--s9brj9c .xn--ses554g .xn--unup4y .xn--vermgensberater-ctb .xn--vermgensberatung-pwb .xn--vhquv .xn--vuq861b .xn--wgbh1c .xn--wgbl6a .xn--xhq521b .xn--xkc2al3hye2a .xn--xkc2dl3a5ee0h .xn--y9a3aq .xn--yfro4i67o .xn--ygbi2ammx .xn--zfr164b .xxx .xyz .yachts .yandex .ye .yodobashi .yoga .yokohama .youtube .yt .za .zip .zm .zone .zuerich .zw'),
            true);

        $html = '';

        $position = 0;
        while (preg_match($rexUrlLinker, $text, $match, PREG_OFFSET_CAPTURE, $position)) {
            list($url, $urlPosition) = $match[0];

            // Add the text leading up to the URL.
            $html .= substr($text, $position, $urlPosition - $position);

            $scheme = $match[1][0];
            $username = $match[2][0];
            $password = $match[3][0];
            $domain = $match[4][0];
            $afterDomain = $match[5][0]; // everything following the domain
            $port = $match[6][0];
            $path = $match[7][0];

            // Check that the TLD is valid or that $domain is an IP address.
            $tld = strtolower(strrchr($domain, '.'));
            if (preg_match('{^\.[0-9]{1,3}$}', $tld) || isset($validTlds[$tld])) {
                // Do not permit implicit scheme if a password is specified, as
                // this causes too many errors (e.g. "my email:[email protected]").
                if (!$scheme && $password) {
                    $html .= $username;

                    // Continue text parsing at the ':' following the "username".
                    $position = $urlPosition + strlen($username);
                    continue;
                }

                if (!$scheme && $username && !$password && !$afterDomain) {
                    // Looks like an email address.
                    $completeUrl = "mailto:$url";
                    $linkText = $url;
                } else {
                    // Prepend http:// if no scheme is specified
                    $completeUrl = $scheme ? $url : "http://$url";
                    $linkText = "$domain$port$path";
                }

                $linkHtml = '<a href="'.htmlspecialchars($completeUrl).'" target="_blank">'
                    .$linkText
                    .'</a>';

                // Cheap e-mail obfuscation to trick the dumbest mail harvesters.
                $linkHtml = str_replace('@', '&#64;', $linkHtml);

                // Add the hyperlink.
                $html .= $linkHtml;
            } else {
                // Not a valid URL.
                $html .= $url;
            }

            // Continue text parsing from after the URL.
            $position = $urlPosition + strlen($url);
        }

        // Add the remainder of the text.
        $html .= substr($text, $position);

        return $html;
    }

    public static function encrypt($text)
    {
        try {
            return trim(
                base64_encode(
                    gzdeflate(
                        mcrypt_encrypt(
                            MCRYPT_RIJNDAEL_256,
                            config('security.secret'),
                            $text,
                            MCRYPT_MODE_ECB,
                            mcrypt_create_iv(
                                mcrypt_get_iv_size(
                                    MCRYPT_RIJNDAEL_256,
                                    MCRYPT_MODE_ECB
                                ),
                                MCRYPT_RAND
                            )
                        ),
                        9
                    )
                )
            );
        } catch (Exception $e) {
            return false;
        }
    }

    public static function decrypt($text)
    {
        if (empty($text)) {
            return false;
        }
        $oldErrRep = error_reporting(0);
        try {
            $decrypted = trim(
                mcrypt_decrypt(
                    MCRYPT_RIJNDAEL_256,
                    config('security.secret'),
                    gzinflate(base64_decode($text)),
                    MCRYPT_MODE_ECB,
                    mcrypt_create_iv(
                        mcrypt_get_iv_size(
                            MCRYPT_RIJNDAEL_256,
                            MCRYPT_MODE_ECB
                        ),
                        MCRYPT_RAND
                    )
                )
            );
            error_reporting($oldErrRep);

            return $decrypted;
        } catch (Exception $e) {
            error_reporting($oldErrRep);

            return false;
        }
    }

    public static function textDiff($from, $to, $truncate = false)
    {
        require_once 'lib/finediff.php';
        $diff = new FineDiff($from, $to, FineDiff::$wordGranularity);
        if (!$truncate) {
            return $diff->renderDiffToHTML();
        } else {
            $html = $diff->renderDiffToHTML();

            // find first change
            $firstDel = strpos($html, '<del>');
            $firstIns = strpos($html, '<ins>');
            if ($firstDel === false) {
                $firstDel = $firstIns;
            }
            if ($firstIns === false) {
                $firstIns = $firstDel;
            }
            $first = min($firstDel, $firstIns);
            $first = max(0, $first - $truncate);

            // find last change
            $lastDel = strrpos($html, '</del>');
            $lastIns = strrpos($html, '</ins>');
            if ($lastDel === false) {
                $lastDel = $lastIns;
            }
            if ($lastIns === false) {
                $lastIns = $lastDel;
            }
            $last = max($lastDel, $lastIns);
            $last = min(strlen($html), $last + $truncate);

            // create truncated string
            return ($first > 0 ? '<span>....</span> ' : '').substr($html, $first,
                $last - $first).($last < strlen($html) ? ' <span>....</span>' : '');
        }
    }

    public static function time2str($date, $today = false)
    {
        if (!$today) {
            $today = new DateTime();
            $today = $today->format('U');
        }
        $diff = $today - $date;
        if ($diff == 0) {
            return 'now';
        } elseif ($diff > 0) {
            $day_diff = floor($diff / 86400);
            if ($day_diff == 0) {

                if ($diff < 60) {
                    return 'just now';
                }
                if ($diff < 120) {
                    return '1 minute ago';
                }
                if ($diff < 3600) {
                    return floor($diff / 60).' minutes ago';
                }
                if ($diff < 7200) {
                    return '1 hour ago';
                }
                if ($diff < 86400) {
                    return floor($diff / 3600).' hours ago';
                }
            }
            if ($day_diff == 1) {
                return 'yesterday';
            }
            if ($day_diff < 7) {
                return $day_diff.' day'.($day_diff != 1 ? 's' : '').' ago';
            }
            if ($day_diff < 31) {

                return ceil($day_diff / 7).' week'.(ceil($day_diff / 7) != 1 ? 's' : '').' ago';
            }
            if ($day_diff < 60) {
                return 'last month';
            }

            return date('F Y', $date);
        } else {
            $diff = abs($diff);
            $day_diff = floor($diff / 86400);
            if ($day_diff == 0) {

                if ($diff < 120) {
                    return 'in a minute';
                }
                if ($diff < 3600) {
                    return 'in '.floor($diff / 60).' minutes';
                }
                if ($diff < 7200) {
                    return 'in an hour';
                }
                if ($diff < 86400) {
                    return 'in '.floor($diff / 3600).' hours';
                }
            }
            if ($day_diff == 1) {
                return 'tomorrow';
            }
            if ($day_diff < 4) {
                return date('l', $date);
            }
            if ($day_diff < 7 + (7 - date('w'))) {
                return 'next week';
            }
            if (ceil($day_diff / 7) < 4) {

                return 'in '.ceil($day_diff / 7).' week'.(ceil($day_diff / 7) != 1 ? 's' : '');
            }
            if (date('n', $date) == date('n') + 1) {
                return 'next month';
            }

            return date('F Y', $date);
        }
    }

    public static function toBytes($str)

    {
        $val = trim($str);
        $last = strtolower($str[strlen($str) - 1]);
        switch ($last) {
            case 'g':
                $val *= 1024;
            case 'm':
                $val *= 1024;
            case 'k':
                $val *= 1024;
        }

        return $val;
    }

    public static function toSnakeCase($camelCase)
    {
        preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $camelCase, $matches);
        $ret = $matches[0];
        foreach ($ret as &$match) {
            $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
        }

        return implode('_', $ret);
    }
}


nabble / ajde

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