Strings::replaceString() - Code Metrics - Inspection of "php 5.6 edition..." - w3l/holt45 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#45)

by w3l

created 2016-02-19 03:36 UTC

Strings::replaceString() A

↳ Parent: Strings

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
c	3
b	0
f	0
dl	0
loc	7
rs	9.4285
cc	2
eloc	4
nc	2
nop	2

<?php
/**
 * Strings.php
 */
namespace w3l\Holt45;

/**
 * Handle strings(convert, encode, replace, etc).
 */
trait Strings
{
    /**
     * Encrypt string
     *
     * NOTICE: the code in general, this method in particular, comes with absolutely no warranty. If security is
     * important for you, then use a purpose built package. https://github.com/defuse/php-encryption seems like
     * a good candidate.
     * @deprecated Do not trust a two-line encryption-method.
     *
     * @throws Exception if extension mcrypt is not loaded.
     *
     * @param string $string String to encrypt
     * @param string $key Key to encrypt/decrypt.
     * @return string Encrypted string
     */
    public static function encrypt($string, $key)
    {
        if (!extension_loaded('mcrypt')) {
            throw new Holt45Exception('mcrypt not loaded');
        }

        $initializationVector = mcrypt_create_iv(
            mcrypt_get_iv_size(
                MCRYPT_RIJNDAEL_256,
                MCRYPT_MODE_ECB
            ),
            MCRYPT_DEV_URANDOM
        );
        
        $encryptedString = $initializationVector.mcrypt_encrypt(
            MCRYPT_RIJNDAEL_256,
            hash("sha256", $key, true),
            $string,
            MCRYPT_MODE_CBC,
            $initializationVector
        );
     
        return base64_encode($encryptedString);
    }
    
    /**
     * Decrypt string
     *
     * NOTICE: the code in general, this method in particular, comes with absolutely no warranty. If security is
     * important for you, then use a purpose built package. https://github.com/defuse/php-encryption seems like
     * a good candidate.
     * @deprecated Do not trust a two-line decryption-method.
     *
     * @param string $string String to decrypt
     * @param string $key Key to encrypt/decrypt.
     * @return string Decrypted string
     */
    public static function decrypt($string, $key)
    {
        $encryptedString = base64_decode($string);
       
        $initializationVector = substr(
            $encryptedString,
            0,
            mcrypt_get_iv_size(
                MCRYPT_RIJNDAEL_256,
                MCRYPT_MODE_ECB
            )
        );

        $decryptedString = rtrim(
            mcrypt_decrypt(
            MCRYPT_RIJNDAEL_256,
            hash("sha256", $key, true),
            substr(
                $encryptedString,
                mcrypt_get_iv_size(
                    MCRYPT_RIJNDAEL_256,
                    MCRYPT_MODE_ECB
                )
            ),
            MCRYPT_MODE_CBC,
            $initializationVector
            ),
            "\0"
        );
        
        return $decryptedString;
    }

    /**
     * Obfuscate string (url-safe and somewhat hard to guess).
     *
     * @param string $input The text that should be obfuscated
     * @return string Obfuscated string
     */
    public static function obfuscateString($input)
    {
        return bin2hex(base64_encode(strrev($input)));
    }

    /**
     * Deobfuscate string
     *
     * @param string $input Obfuscated string
     * @return string Deobfuscated string
     */
    public static function deobfuscateString($input)
    {
        return strrev(base64_decode(hex2bin($input)));
    }

    /**
     * Convert <textarea> to [textarea].
     *
     * @param string $html
     * @return string
     */
    public static function textareaEncode($html)
    {
        return preg_replace("/<textarea(.*?)>(.*?)<\/textarea>/is", "[textarea$1]$2[/textarea]", $html);
    }

    /**
     * Convert [textarea] to <textarea>.
     *
     * @param string $html
     * @return string
     */
    public static function textareaDecode($html)
    {
        return preg_replace("/\[textarea(.*?)\](.*?)\[\/textarea\]/is", "<textarea$1>$2</textarea>", $html);
    }

    /**
     * To replace "Hallo [@var] world" with $value.
     *
     * Example:
     * ```php
     * replace_string($string, array("val1" => "foo", "val2" => "bar"))
     * ```
     *
     * @param string $langString String containing placeholder.
     * @param array $dynamicContent key->value array.
     * @return string String with placeholder replaced.
     */
    public static function replaceString($langString, $dynamicContent = array())
    {
        foreach ($dynamicContent as $k => $v) {
            $langString = str_replace("[@".$k."]", $v, $langString);
        }
        return $langString;
    }

    /**
     * Creates rainbow-colored text.
     *
     * @uses Holt45::colorBlend()
     * @uses Holt45::rgbhex()
     *
     * @param string $text Text wanted coloured.
     * @return string String with span-tags with color.
     */
    public static function rainbowText($text)
    {
        $colorsBase = array(
        array(255, 0, 0),
        array(255, 102, 0),
        array(255, 238, 0),
        array(0, 255, 0),
        array(0, 153, 255),
        array(68, 0, 255),
        array(153, 0, 255)
        );

        $colorsBuild = array();

        $strlenText = strlen($text);

        if ($strlenText > 7) {
            while (count($colorsBuild) < $strlenText) {
                for ($i = 0, $size = count($colorsBase); $i < $size; $i++) {

                    $colorsBuild[] = $colorsBase[$i];

                    if (count($colorsBuild) >= $strlenText) {
                        continue 2;
                    }

                    if ($i < count($colorsBase)-1) {

                        $colorsBuild[] = self::colorBlend($colorsBase[$i], $colorsBase[$i+1]);

                        if (count($colorsBuild) >= $strlenText) {
                            continue 2;
                        }
                    }
                }
                $colorsBase = $colorsBuild;
                $colorsBuild = array();
            }
        } elseif ($strlenText <= 7) {
            $colorsBuild = $colorsBase;
        }

        $arrayText = str_split($text);
        $returnText = "";
        for ($i = 0, $size = count($arrayText); $i < $size; $i++) {
            $returnText .= '<span style="color: #'.self::rgbhex($colorsBuild[$i]).';">'.$arrayText[$i].'</span>';
        }
        return $returnText;
    }
    
    /**
     * Get the symbol from a list of keyboard-keys...
     *
     * @used-by Holt45::kbdShortcut()
     *
     * @param string $inputKey Text
     * @param string $inputOperatingSystem default|auto|win|mac|linux
     * @return null|string HTML Entity (decimal)
     */
    public static function kbdSymbol($inputKey, $inputOperatingSystem = "default")
    {
        $inputKey = mb_strtolower($inputKey);
        
        if ($inputOperatingSystem == "auto") {
            $inputOperatingSystem = "default";
            
            $getClientOS = self::getClientOperatingSystem();
            
            if ($getClientOS == "linux" ||
                $getClientOS == "mac" ||
                $getClientOS == "windows") {
                   $inputOperatingSystem = $getClientOS;
            }
        }
        
        $arrayConvert = array(
        "return" => "enter",
        "control" => "ctrl",
        "escape" => "esc",
        "caps lock" => "caps-lock",
        "page up" => "page-up",
        "page down" => "page-down",
        "arrow left" => "arrow-left",
        "left" => "arrow-left",
        "arrow up" => "arrow-up",
        "up" => "arrow-up",
        "arrow right" => "arrow-right",
        "right" => "arrow-right",
        "arrow down" => "arrow-down",
        "down" => "arrow-down"
        );
        
        /* Convert input */
        if (array_key_exists($inputKey, $arrayConvert)) {
            $inputKey = $arrayConvert[$inputKey];
        }

        $arrayKeySymbols = array(
        "shift" => array("default" => "&#8679;"),
        "opt" => array("default" => "&#8997;"),
        "enter" => array("default" => "&#9166;", "mac" => "&#8996;"),
        "alt" => array("default" => "&#9095;", "mac" => "&#8997;"),
        "delete" => array("default" => "&#9003;"),
        "ctrl" => array("default" => "&#10034;", "windows" => "&#10034;", "linux" => "&#9096;", "mac" => "&#00094;"),
        "esc" => array("default" => "&#9099;"),
        "command" => array("default" => "&#8984;"),
        "tab" => array("default" => "&#8633;", "mac" => "&#8677;"),
        "caps-lock" => array("default" => "&#65;", "mac" => "&#8682;"),
        "page-up" => array("default" => "&#9650;", "mac" => "&#8670;"),
        "page-down" => array("default" => "&#9660;", "mac" => "&#8671;"),
        "arrow-left" => array("default" => "&#8592;"),
        "arrow-up" => array("default" => "&#8593;"),
        "arrow-right" => array("default" => "&#8594;"),
        "arrow-down" => array("default" => "&#8595;"),
        // Sun
        "compose" => array("default" => "&#9092;"),
        "meta" => array("default" => "&#9670")
        );
        
        if (array_key_exists($inputKey, $arrayKeySymbols)) {
            return ((array_key_exists($inputOperatingSystem, $arrayKeySymbols[$inputKey])) ?
                                      $arrayKeySymbols[$inputKey][$inputOperatingSystem] :
                                      $arrayKeySymbols[$inputKey]["default"]);
        }
        
        return null;
    }

    /**
     * Show fancy buttons for keyboard-shortcuts.
     *
     * @uses Holt45::kbdSymbol()
     *
     * @param array $inputArrayKeys
     * @param string $inputOperatingSystem
     * @param string $inputKbdClass
     * @param string $inputKbdSymbolClass
     * @param string $inputJoinGlue Glue
     * @return string String of html
     */
    public static function kbdShortcut(
        $inputArrayKeys,
        $inputOperatingSystem = "default",
        $inputKbdClass = "holt45-kbd",
        $inputKbdSymbolClass = "holt45-kbd__symbol",
        $inputJoinGlue = " + "
    ) {
        $returnArray = array();

        foreach ($inputArrayKeys as $key) {
            $kbdSymbol = self::kbdSymbol($key, $inputOperatingSystem);
            
            $kbdSymbolHtml = "";
            
            if ($kbdSymbol !== null) {
                $kbdSymbolHtml = '<span class="'.$inputKbdSymbolClass.'">'.$kbdSymbol.'</span>';
            }
            
            $returnArray[] = '<kbd class="'.$inputKbdClass.'">'.$kbdSymbolHtml.$key.'</kbd>';
        }

        return implode($inputJoinGlue, $returnArray);
    }

    /**
     * Attempting to keep CSS on one line with scoped style.
     *
     * NOTICE: This is a rough estimate, font type, design, etc affects the results.
     *
     * @param string $text
     * @param string $cssSelector
     * @param int $fontSizePx
     * @param int $minPageWidthPx
     * @return null|string Scoped style
     */
    public static function cssOneLineText($text, $cssSelector = "h1", $fontSizePx = 36, $minPageWidthPx = 320)
    {
        $countText = strlen($text)+1;

        $fontWidth = ($fontSizePx / 2);

        if ($minPageWidthPx < $countText) {
            $minPageWidthPx = $countText;
        }
        if (($countText * $fontWidth) > $minPageWidthPx) {
            $cssNewFontSizePx = round(($minPageWidthPx / $countText) * 2, 2);
            $cssNewFontSizeVw = round((100/$countText) * 2, 2);

            $cssBreakpointPx = round($countText * $fontWidth);
                    
            return '<style scoped>'.PHP_EOL.
                    '@media (max-width: '.$cssBreakpointPx.'px) {'.PHP_EOL.
                    $cssSelector.' {'.PHP_EOL.
                    'font-size: '.$cssNewFontSizePx.'px; font-size: '.$cssNewFontSizeVw.'vw;'.PHP_EOL.
                    '}'.PHP_EOL.
                    '}'.PHP_EOL.
                    '</style>';
        }
        return null;
    }
}


1			<?php
2			/**
3			* Strings.php
4			*/
5			namespace w3l\Holt45;
6
7			/**
8			* Handle strings(convert, encode, replace, etc).
9			*/
10			trait Strings
11			{
12			/**
13			* Encrypt string
14			*
15			* NOTICE: the code in general, this method in particular, comes with absolutely no warranty. If security is
16			* important for you, then use a purpose built package. https://github.com/defuse/php-encryption seems like
17			* a good candidate.
18			* @deprecated Do not trust a two-line encryption-method.
19			*
20			* @throws Exception if extension mcrypt is not loaded.
21			*
22			* @param string $string String to encrypt
23			* @param string $key Key to encrypt/decrypt.
24			* @return string Encrypted string
25			*/
26			public static function encrypt($string, $key)
27			{
28			if (!extension_loaded('mcrypt')) {
29			throw new Holt45Exception('mcrypt not loaded');
30			}
31
32			$initializationVector = mcrypt_create_iv(
33			mcrypt_get_iv_size(
34			MCRYPT_RIJNDAEL_256,
35			MCRYPT_MODE_ECB
36			),
37			MCRYPT_DEV_URANDOM
38			);
39
40			$encryptedString = $initializationVector.mcrypt_encrypt(
41			MCRYPT_RIJNDAEL_256,
42			hash("sha256", $key, true),
43			$string,
44			MCRYPT_MODE_CBC,
45			$initializationVector
46			);
47
48			return base64_encode($encryptedString);
49			}
50
51			/**
52			* Decrypt string
53			*
54			* NOTICE: the code in general, this method in particular, comes with absolutely no warranty. If security is
55			* important for you, then use a purpose built package. https://github.com/defuse/php-encryption seems like
56			* a good candidate.
57			* @deprecated Do not trust a two-line decryption-method.
58			*
59			* @param string $string String to decrypt
60			* @param string $key Key to encrypt/decrypt.
61			* @return string Decrypted string
62			*/
63			public static function decrypt($string, $key)
64			{
65			$encryptedString = base64_decode($string);
66
67			$initializationVector = substr(
68			$encryptedString,
69			0,
70			mcrypt_get_iv_size(
71			MCRYPT_RIJNDAEL_256,
72			MCRYPT_MODE_ECB
73			)
74			);
75
76			$decryptedString = rtrim(
77			mcrypt_decrypt(
78			MCRYPT_RIJNDAEL_256,
79			hash("sha256", $key, true),
80			substr(
81			$encryptedString,
82			mcrypt_get_iv_size(
83			MCRYPT_RIJNDAEL_256,
84			MCRYPT_MODE_ECB
85			)
86			),
87			MCRYPT_MODE_CBC,
88			$initializationVector
89			),
90			"\0"
91			);
92
93			return $decryptedString;
94			}
95
96			/**
97			* Obfuscate string (url-safe and somewhat hard to guess).
98			*
99			* @param string $input The text that should be obfuscated
100			* @return string Obfuscated string
101			*/
102			public static function obfuscateString($input)
103			{
104			return bin2hex(base64_encode(strrev($input)));
105			}
106
107			/**
108			* Deobfuscate string
109			*
110			* @param string $input Obfuscated string
111			* @return string Deobfuscated string
112			*/
113			public static function deobfuscateString($input)
114			{
115			return strrev(base64_decode(hex2bin($input)));
116			}
117
118			/**
119			* Convert <textarea> to [textarea].
120			*
121			* @param string $html
122			* @return string
123			*/
124			public static function textareaEncode($html)
125			{
126			return preg_replace("/<textarea(.?)>(.?)<\/textarea>/is", "[textarea$1]$2[/textarea]", $html);
127			}
128
129			/**
130			* Convert [textarea] to <textarea>.
131			*
132			* @param string $html
133			* @return string
134			*/
135			public static function textareaDecode($html)
136			{
137			return preg_replace("/\[textarea(.?)\](.?)\[\/textarea\]/is", "<textarea$1>$2</textarea>", $html);
138			}
139
140			/**
141			* To replace "Hallo [@var] world" with $value.
142			*
143			* Example:
144			* ```php
145			* replace_string($string, array("val1" => "foo", "val2" => "bar"))
146			* ```
147			*
148			* @param string $langString String containing placeholder.
149			* @param array $dynamicContent key->value array.
150			* @return string String with placeholder replaced.
151			*/
152			public static function replaceString($langString, $dynamicContent = array())
153			{
154			foreach ($dynamicContent as $k => $v) {
155			$langString = str_replace("[@".$k."]", $v, $langString);
156			}
157			return $langString;
158			}
159
160			/**
161			* Creates rainbow-colored text.
162			*
163			* @uses Holt45::colorBlend()
164			* @uses Holt45::rgbhex()
165			*
166			* @param string $text Text wanted coloured.
167			* @return string String with span-tags with color.
168			*/
169			public static function rainbowText($text)
170			{
171			$colorsBase = array(
172			array(255, 0, 0),
173			array(255, 102, 0),
174			array(255, 238, 0),
175			array(0, 255, 0),
176			array(0, 153, 255),
177			array(68, 0, 255),
178			array(153, 0, 255)
179			);
180
181			$colorsBuild = array();
182
183			$strlenText = strlen($text);
184
185			if ($strlenText > 7) {
186			while (count($colorsBuild) < $strlenText) {
187			for ($i = 0, $size = count($colorsBase); $i < $size; $i++) {
188
189			$colorsBuild[] = $colorsBase[$i];
190
191			if (count($colorsBuild) >= $strlenText) {
192			continue 2;
193			}
194
195			if ($i < count($colorsBase)-1) {
196
197			$colorsBuild[] = self::colorBlend($colorsBase[$i], $colorsBase[$i+1]);
198
199			if (count($colorsBuild) >= $strlenText) {
200			continue 2;
201			}
202			}
203			}
204			$colorsBase = $colorsBuild;
205			$colorsBuild = array();
206			}
207			} elseif ($strlenText <= 7) {
208			$colorsBuild = $colorsBase;
209			}
210
211			$arrayText = str_split($text);
212			$returnText = "";
213			for ($i = 0, $size = count($arrayText); $i < $size; $i++) {
214			$returnText .= '<span style="color: #'.self::rgbhex($colorsBuild[$i]).';">'.$arrayText[$i].'</span>';
215			}
216			return $returnText;
217			}
218
219			/**
220			* Get the symbol from a list of keyboard-keys...
221			*
222			* @used-by Holt45::kbdShortcut()
223			*
224			* @param string $inputKey Text
225			* @param string $inputOperatingSystem default\|auto\|win\|mac\|linux
226			* @return null\|string HTML Entity (decimal)
227			*/
228			public static function kbdSymbol($inputKey, $inputOperatingSystem = "default")
229			{
230			$inputKey = mb_strtolower($inputKey);
231
232			if ($inputOperatingSystem == "auto") {
233			$inputOperatingSystem = "default";
234
235			$getClientOS = self::getClientOperatingSystem();
236
237			if ($getClientOS == "linux" \|\|
238			$getClientOS == "mac" \|\|
239			$getClientOS == "windows") {
240			$inputOperatingSystem = $getClientOS;
241			}
242			}
243
244			$arrayConvert = array(
245			"return" => "enter",
246			"control" => "ctrl",
247			"escape" => "esc",
248			"caps lock" => "caps-lock",
249			"page up" => "page-up",
250			"page down" => "page-down",
251			"arrow left" => "arrow-left",
252			"left" => "arrow-left",
253			"arrow up" => "arrow-up",
254			"up" => "arrow-up",
255			"arrow right" => "arrow-right",
256			"right" => "arrow-right",
257			"arrow down" => "arrow-down",
258			"down" => "arrow-down"
259			);
260
261			/* Convert input */
262			if (array_key_exists($inputKey, $arrayConvert)) {
263			$inputKey = $arrayConvert[$inputKey];
264			}
265
266			$arrayKeySymbols = array(
267			"shift" => array("default" => "⇧"),
268			"opt" => array("default" => "⌥"),
269			"enter" => array("default" => "⏎", "mac" => "⌤"),
270			"alt" => array("default" => "⎇", "mac" => "⌥"),
271			"delete" => array("default" => "⌫"),
272			"ctrl" => array("default" => "✲", "windows" => "✲", "linux" => "⎈", "mac" => "^"),
273			"esc" => array("default" => "⎋"),
274			"command" => array("default" => "⌘"),
275			"tab" => array("default" => "↹", "mac" => "⇥"),
276			"caps-lock" => array("default" => "A", "mac" => "⇪"),
277			"page-up" => array("default" => "▲", "mac" => "⇞"),
278			"page-down" => array("default" => "▼", "mac" => "⇟"),
279			"arrow-left" => array("default" => "←"),
280			"arrow-up" => array("default" => "↑"),
281			"arrow-right" => array("default" => "→"),
282			"arrow-down" => array("default" => "↓"),
283			// Sun
284			"compose" => array("default" => "⎄"),
285			"meta" => array("default" => "&#9670")
286			);
287
288			if (array_key_exists($inputKey, $arrayKeySymbols)) {
289			return ((array_key_exists($inputOperatingSystem, $arrayKeySymbols[$inputKey])) ?
290			$arrayKeySymbols[$inputKey][$inputOperatingSystem] :
291			$arrayKeySymbols[$inputKey]["default"]);
292			}
293
294			return null;
295			}
296
297			/**
298			* Show fancy buttons for keyboard-shortcuts.
299			*
300			* @uses Holt45::kbdSymbol()
301			*
302			* @param array $inputArrayKeys
303			* @param string $inputOperatingSystem
304			* @param string $inputKbdClass
305			* @param string $inputKbdSymbolClass
306			* @param string $inputJoinGlue Glue
307			* @return string String of html
308			*/
309			public static function kbdShortcut(
310			$inputArrayKeys,
311			$inputOperatingSystem = "default",
312			$inputKbdClass = "holt45-kbd",
313			$inputKbdSymbolClass = "holt45-kbd__symbol",
314			$inputJoinGlue = " + "
315			) {
316			$returnArray = array();
317
318			foreach ($inputArrayKeys as $key) {
319			$kbdSymbol = self::kbdSymbol($key, $inputOperatingSystem);
320
321			$kbdSymbolHtml = "";
322
323			if ($kbdSymbol !== null) {
324			$kbdSymbolHtml = '<span class="'.$inputKbdSymbolClass.'">'.$kbdSymbol.'</span>';
325			}
326
327			$returnArray[] = '<kbd class="'.$inputKbdClass.'">'.$kbdSymbolHtml.$key.'</kbd>';
328			}
329
330			return implode($inputJoinGlue, $returnArray);
331			}
332
333			/**
334			* Attempting to keep CSS on one line with scoped style.
335			*
336			* NOTICE: This is a rough estimate, font type, design, etc affects the results.
337			*
338			* @param string $text
339			* @param string $cssSelector
340			* @param int $fontSizePx
341			* @param int $minPageWidthPx
342			* @return null\|string Scoped style
343			*/
344			public static function cssOneLineText($text, $cssSelector = "h1", $fontSizePx = 36, $minPageWidthPx = 320)
345			{
346			$countText = strlen($text)+1;
347
348			$fontWidth = ($fontSizePx / 2);
349
350			if ($minPageWidthPx < $countText) {
351			$minPageWidthPx = $countText;
352			}
353			if (($countText * $fontWidth) > $minPageWidthPx) {
354			$cssNewFontSizePx = round(($minPageWidthPx / $countText) * 2, 2);
355			$cssNewFontSizeVw = round((100/$countText) * 2, 2);
356
357			$cssBreakpointPx = round($countText * $fontWidth);
358
359			return '<style scoped>'.PHP_EOL.
360			'@media (max-width: '.$cssBreakpointPx.'px) {'.PHP_EOL.
361			$cssSelector.' {'.PHP_EOL.
362			'font-size: '.$cssNewFontSizePx.'px; font-size: '.$cssNewFontSizeVw.'vw;'.PHP_EOL.
363			'}'.PHP_EOL.
364			'}'.PHP_EOL.
365			'</style>';
366			}
367			return null;
368			}
369			}
370

w3l / holt45

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Pull Request — master (#45)

Strings::replaceString() A

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