platine-php /
stdlib
| Total Complexity | 87 |
| Total Lines | 1176 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Str often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Str, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 53 | class Str |
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| 54 | { |
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| 55 | |||
| 56 | /** |
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| 57 | * The cache of snake-cased words. |
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| 58 | * |
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| 59 | * @var array<string, string> |
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| 60 | */ |
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| 61 | protected static array $snakeCache = []; |
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| 62 | |||
| 63 | /** |
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| 64 | * The cache of camel-cased words. |
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| 65 | * |
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| 66 | * @var array<string, string> |
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| 67 | */ |
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| 68 | protected static array $camelCache = []; |
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| 69 | |||
| 70 | /** |
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| 71 | * The cache of studly-cased words. |
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| 72 | * |
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| 73 | * @var array<string, string> |
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| 74 | */ |
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| 75 | protected static array $studlyCache = []; |
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| 76 | |||
| 77 | /** |
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| 78 | * Convert an UTF-8 value to ASCII. |
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| 79 | * @param string $value |
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| 80 | * @return string |
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| 81 | */ |
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| 82 | public static function toAscii(string $value): string |
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| 83 | { |
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| 84 | foreach (self::getChars() as $key => $val) { |
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| 85 | $value = str_replace($val, $key, $value); |
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| 86 | } |
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| 87 | |||
| 88 | return (string)preg_replace('/[^\x20-\x7E]/u', '', $value); |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Convert to camel case |
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| 93 | * @param string $value |
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| 94 | * @param bool $lcfirst |
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| 95 | * @return string |
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| 96 | */ |
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| 97 | public static function camel(string $value, bool $lcfirst = true): string |
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| 98 | { |
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| 99 | if (isset(self::$camelCache[$value])) { |
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| 100 | return self::$camelCache[$value]; |
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| 101 | } |
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| 102 | |||
| 103 | $studly = static::studly($value); |
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| 104 | return self::$camelCache[$value] = ($lcfirst ? lcfirst($studly) : $studly); |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * Convert an string to array |
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| 109 | * @param string $value |
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| 110 | * @param string $delimiter |
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| 111 | * @param int $limit |
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| 112 | * @return array<string> |
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| 113 | */ |
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| 114 | public static function toArray(string $value, string $delimiter = ', ', int $limit = 0): array |
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| 115 | { |
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| 116 | $string = trim($value, $delimiter . ' '); |
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| 117 | if ($string === '') { |
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| 118 | return []; |
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| 119 | } |
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| 120 | |||
| 121 | $values = []; |
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| 122 | /** @var array<string> $rawList */ |
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| 123 | $rawList = $limit < 1 |
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| 124 | ? (array) explode($delimiter, $string) |
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| 125 | : (array) explode($delimiter, $string, $limit); |
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| 126 | |||
| 127 | foreach ($rawList as $val) { |
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| 128 | $val = trim($val); |
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| 129 | if ($val !== '') { |
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| 130 | $values[] = $val; |
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| 131 | } |
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| 132 | } |
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| 133 | |||
| 134 | return $values; |
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| 135 | } |
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| 136 | |||
| 137 | /** |
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| 138 | * Determine if a given string contains a given sub string. |
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| 139 | * @param string $value |
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| 140 | * @param string|array<mixed> $needles |
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| 141 | * @return bool |
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| 142 | */ |
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| 143 | public static function contains(string $value, $needles): bool |
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| 144 | { |
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| 145 | if (!is_array($needles)) { |
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| 146 | $needles = [$needles]; |
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| 147 | } |
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| 148 | |||
| 149 | foreach ($needles as $needle) { |
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| 150 | if ($needle !== '' && strpos($needle, $value) !== false) { |
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| 151 | return true; |
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| 152 | } |
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| 153 | } |
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| 154 | |||
| 155 | return false; |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * Determine if a given string ends with a given sub string. |
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| 160 | * @param string $value |
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| 161 | * @param string|array<mixed> $needles |
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| 162 | * @return bool |
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| 163 | */ |
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| 164 | public static function endsWith(string $value, $needles): bool |
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| 165 | { |
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| 166 | if (!is_array($needles)) { |
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| 167 | $needles = [$needles]; |
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| 168 | } |
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| 169 | |||
| 170 | foreach ($needles as $needle) { |
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| 171 | if ($value === (string) substr($needle, -strlen($value))) { |
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| 172 | return true; |
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| 173 | } |
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| 174 | } |
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| 175 | |||
| 176 | return false; |
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| 177 | } |
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| 178 | |||
| 179 | /** |
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| 180 | * Determine if a given string starts with a given sub string. |
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| 181 | * @param string $value |
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| 182 | * @param string|array<mixed> $needles |
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| 183 | * @return bool |
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| 184 | */ |
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| 185 | public static function startsWith(string $value, $needles): bool |
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| 186 | { |
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| 187 | if (!is_array($needles)) { |
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| 188 | $needles = [$needles]; |
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| 189 | } |
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| 190 | |||
| 191 | foreach ($needles as $needle) { |
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| 192 | if ($needle !== '' && strpos($needle, $value) === 0) { |
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| 193 | return true; |
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| 194 | } |
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| 195 | } |
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| 196 | |||
| 197 | return false; |
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| 198 | } |
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| 199 | |||
| 200 | /** |
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| 201 | * Return the first line of multi line string |
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| 202 | * @param string $value |
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| 203 | * @return string |
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| 204 | */ |
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| 205 | public static function firstLine(string $value): string |
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| 206 | { |
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| 207 | $str = trim($value); |
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| 208 | |||
| 209 | if ($str === '') { |
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| 210 | return ''; |
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| 211 | } |
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| 212 | |||
| 213 | if (strpos($str, "\n") > 0) { |
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| 214 | $parts = explode("\n", $str); |
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| 215 | |||
| 216 | return $parts[0] ?? ''; |
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| 217 | } |
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| 218 | |||
| 219 | return $str; |
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| 220 | } |
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| 221 | |||
| 222 | /** |
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| 223 | * Cap a string with a single instance of a given value. |
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| 224 | * @param string $value |
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| 225 | * @param string $cap |
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| 226 | * @return string |
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| 227 | */ |
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| 228 | public static function finish(string $value, string $cap): string |
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| 229 | { |
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| 230 | $quoted = preg_quote($cap, '/'); |
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| 231 | |||
| 232 | return (string) preg_replace('/(?:' . $quoted . ')+$/', '', $value) |
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| 233 | . $cap; |
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| 234 | } |
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| 235 | |||
| 236 | /** |
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| 237 | * Determine if a given string matches a given pattern. |
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| 238 | * @param string $pattern |
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| 239 | * @param string $value |
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| 240 | * @return bool |
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| 241 | */ |
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| 242 | public static function is(string $pattern, string $value): bool |
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| 243 | { |
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| 244 | if ($pattern === $value) { |
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| 245 | return true; |
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| 246 | } |
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| 247 | |||
| 248 | $quoted = preg_quote($pattern, '#'); |
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| 249 | |||
| 250 | // Asterisks are translated into zero-or-more regular expression wildcards |
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| 251 | // to make it convenient to check if the strings starts with the given |
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| 252 | // pattern such as "library/*", making any string check convenient. |
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| 253 | $cleanQuoted = str_replace('\*', '.*', $quoted); |
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| 254 | |||
| 255 | return (bool)preg_match('#^' . $cleanQuoted . '\z#', $value); |
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| 256 | } |
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| 257 | |||
| 258 | /** |
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| 259 | * Return the length of the given string |
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| 260 | * @param string|int $value |
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| 261 | * @param string $encode |
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| 262 | * @return int |
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| 263 | */ |
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| 264 | public static function length($value, string $encode = 'UTF-8'): int |
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| 265 | { |
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| 266 | if (!is_string($value)) { |
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| 267 | $value = (string) $value; |
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| 268 | } |
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| 269 | |||
| 270 | $length = mb_strlen($value, $encode); |
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| 271 | |||
| 272 | return $length !== false ? $length : -1; |
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| 273 | } |
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| 274 | |||
| 275 | |||
| 276 | /** |
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| 277 | * Add padding to string |
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| 278 | * @param string|int $value |
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| 279 | * @param int $length |
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| 280 | * @param string $padStr |
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| 281 | * @param int $type |
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| 282 | * @return string |
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| 283 | */ |
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| 284 | public static function pad( |
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| 285 | $value, |
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| 286 | int $length, |
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| 287 | string $padStr, |
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| 288 | int $type = STR_PAD_BOTH |
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| 289 | ): string { |
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| 290 | if (!is_string($value)) { |
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| 291 | $value = (string) $value; |
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| 292 | } |
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| 293 | |||
| 294 | return $length > 0 |
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| 295 | ? str_pad($value, $length, $padStr, $type) |
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| 296 | : $value; |
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| 297 | } |
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| 298 | |||
| 299 | /** |
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| 300 | * Add padding to string to left |
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| 301 | * @param string|int $value |
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| 302 | * @param int $length |
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| 303 | * @param string $padStr |
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| 304 | * @return string |
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| 305 | */ |
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| 306 | public static function padLeft( |
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| 307 | $value, |
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| 308 | int $length, |
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| 309 | string $padStr |
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| 310 | ): string { |
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| 311 | return self::pad($value, $length, $padStr, STR_PAD_LEFT); |
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| 312 | } |
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| 313 | |||
| 314 | /** |
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| 315 | * Add padding to string to right |
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| 316 | * @param string|int $value |
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| 317 | * @param int $length |
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| 318 | * @param string $padStr |
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| 319 | * @return string |
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| 320 | */ |
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| 321 | public static function padRight( |
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| 322 | $value, |
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| 323 | int $length, |
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| 324 | string $padStr |
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| 325 | ): string { |
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| 326 | return self::pad($value, $length, $padStr, STR_PAD_RIGHT); |
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| 327 | } |
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| 328 | |||
| 329 | /** |
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| 330 | * Repeat the given string $length times |
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| 331 | * @param string|int $value |
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| 332 | * @param int $length |
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| 333 | * @return string |
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| 334 | */ |
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| 335 | public static function repeat($value, int $length = 1): string |
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| 336 | { |
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| 337 | if (!is_string($value)) { |
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| 338 | $value = (string) $value; |
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| 339 | } |
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| 340 | |||
| 341 | return str_repeat($value, $length); |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * Limit the length of given string |
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| 346 | * @param string $value |
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| 347 | * @param int $length |
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| 348 | * @param string $end |
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| 349 | * @return string |
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| 350 | */ |
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| 351 | public static function limit(string $value, int $length = 100, string $end = '...'): string |
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| 352 | { |
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| 353 | if (mb_strwidth($value, 'UTF-8') <= $length) { |
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| 354 | return $value; |
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| 355 | } |
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| 356 | |||
| 357 | return rtrim(mb_strimwidth($value, 0, $length, '', 'UTF-8')) . $end; |
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| 358 | } |
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| 359 | |||
| 360 | /** |
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| 361 | * Limit the number of words in a string. |
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| 362 | * @param string $value |
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| 363 | * @param int $length |
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| 364 | * @param string $end |
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| 365 | * @return string |
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| 366 | */ |
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| 367 | public static function words(string $value, int $length = 100, string $end = '...'): string |
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| 368 | { |
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| 369 | $matches = []; |
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| 370 | preg_match('/^\s*+(?:\S++\s*+){1,' . $length . '}/u', $value, $matches); |
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| 371 | |||
| 372 | if (!isset($matches[0]) || strlen($value) === strlen($matches[0])) { |
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| 373 | return $value; |
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| 374 | } |
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| 375 | |||
| 376 | return rtrim($matches[0]) . $end; |
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| 377 | } |
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| 378 | |||
| 379 | /** |
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| 380 | * Replace the first match of the given string |
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| 381 | * @param string $search |
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| 382 | * @param string $replace |
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| 383 | * @param string $value |
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| 384 | * @return string |
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| 385 | */ |
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| 386 | public static function replaceFirst(string $search, string $replace, string $value): string |
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| 387 | { |
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| 388 | $pos = strpos($value, $search); |
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| 389 | if ($pos !== false) { |
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| 390 | return substr_replace($value, $replace, $pos, strlen($search)); |
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|
Bug
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| 391 | } |
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| 392 | |||
| 393 | return $value; |
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| 394 | } |
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| 395 | |||
| 396 | /** |
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| 397 | * Replace the last match of the given string |
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| 398 | * @param string $search |
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| 399 | * @param string $replace |
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| 400 | * @param string $value |
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| 401 | * @return string |
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| 402 | */ |
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| 403 | public static function replaceLast(string $search, string $replace, string $value): string |
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| 404 | { |
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| 405 | $pos = strrpos($value, $search); |
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| 406 | |||
| 407 | if ($pos !== false) { |
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| 408 | return substr_replace($value, $replace, $pos, strlen($search)); |
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| 409 | } |
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| 410 | |||
| 411 | return $value; |
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| 412 | } |
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| 413 | |||
| 414 | /** |
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| 415 | * Put the string to title format |
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| 416 | * @param string $value |
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| 417 | * @return string |
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| 418 | */ |
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| 419 | public static function title(string $value): string |
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| 420 | { |
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| 421 | return mb_convert_case($value, MB_CASE_TITLE, 'UTF-8'); |
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| 422 | } |
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| 423 | |||
| 424 | /** |
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| 425 | * Generate a friendly "slug" from a given string. |
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| 426 | * @param string $value |
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| 427 | * @param string $separator |
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| 428 | * @return string |
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| 429 | */ |
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| 430 | public static function slug(string $value, string $separator = '-'): string |
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| 431 | { |
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| 432 | $title = self::toAscii($value); |
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| 433 | |||
| 434 | // Convert all dashes/underscores into separator |
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| 435 | $flip = $separator === '-' ? '_' : '-'; |
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| 436 | |||
| 437 | $utf8 = (string) preg_replace('![' . preg_quote($flip) . ']+!u', $separator, $title); |
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| 438 | |||
| 439 | // Remove all characters that are not the separator, letters, numbers, |
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| 440 | // or whitespace. |
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| 441 | $alphaNum = (string) preg_replace( |
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| 442 | '![^' . preg_quote($separator) . '\pL\pN\s]+!u', |
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| 443 | '', |
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| 444 | mb_strtolower($utf8) |
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| 445 | ); |
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| 446 | |||
| 447 | // Replace all separator characters and whitespace by a single separator |
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| 448 | $removeWhitespace = (string) preg_replace( |
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| 449 | '![' . preg_quote($separator) . '\s]+!u', |
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| 450 | $separator, |
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| 451 | $alphaNum |
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| 452 | ); |
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| 453 | |||
| 454 | return trim($removeWhitespace, $separator); |
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| 455 | } |
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| 456 | |||
| 457 | /** |
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| 458 | * Convert a string to snake case. |
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| 459 | * @param string $value |
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| 460 | * @param string $separator |
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| 461 | * @return string |
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| 462 | */ |
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| 463 | public static function snake(string $value, string $separator = '_'): string |
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| 464 | { |
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| 465 | $key = $value . $separator; |
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| 466 | if (isset(self::$snakeCache[$key])) { |
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| 467 | return self::$snakeCache[$key]; |
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| 468 | } |
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| 469 | |||
| 470 | if (!ctype_lower($value)) { |
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| 471 | $replace = (string) preg_replace('/\s+/', '', $value); |
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| 472 | |||
| 473 | $value = strtolower((string) preg_replace( |
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| 474 | '/(.)(?=[A-Z])/', |
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| 475 | '$1' . $separator, |
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| 476 | $replace |
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| 477 | )); |
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| 478 | } |
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| 479 | |||
| 480 | return self::$snakeCache[$key] = $value; |
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| 481 | } |
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| 482 | |||
| 483 | /** |
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| 484 | * Convert a value to studly caps case. |
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| 485 | * @param string $value |
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| 486 | * @return string |
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| 487 | */ |
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| 488 | public static function studly(string $value): string |
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| 489 | { |
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| 490 | $key = $value; |
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| 491 | if (isset(self::$studlyCache[$key])) { |
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| 492 | return self::$studlyCache[$key]; |
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| 493 | } |
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| 494 | |||
| 495 | $val = ucwords(str_replace(['-', '_'], ' ', $value)); |
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| 496 | |||
| 497 | return self::$studlyCache[$key] = str_replace(' ', '', $val); |
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| 498 | } |
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| 499 | |||
| 500 | /** |
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| 501 | * Returns the portion of string specified by the start and |
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| 502 | * length parameters. |
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| 503 | * |
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| 504 | * @param string $value |
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| 505 | * @param int $start |
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| 506 | * @param int|null $length |
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| 507 | * @return string |
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| 508 | */ |
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| 509 | public static function substr(string $value, int $start = 0, ?int $length = null): string |
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| 510 | { |
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| 511 | return mb_substr($value, $start, $length, 'UTF-8'); |
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| 512 | } |
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| 513 | |||
| 514 | /** |
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| 515 | * Make a string's first character to upper case. |
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| 516 | * @param string $value |
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| 517 | * @return string |
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| 518 | */ |
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| 519 | public static function ucfirst(string $value): string |
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| 520 | { |
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| 521 | return static::upper( |
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| 522 | static::substr($value, 0, 1) |
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| 523 | ) . static::substr($value, 1); |
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| 524 | } |
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| 525 | |||
| 526 | /** |
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| 527 | * Split the string by length part |
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| 528 | * @param string $value |
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| 529 | * @param int $length |
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| 530 | * @return array<int, string> |
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| 531 | */ |
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| 532 | public static function split(string $value, int $length = 1): array |
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| 533 | { |
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| 534 | if ($length < 1) { |
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| 535 | return []; |
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| 536 | } |
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| 537 | |||
| 538 | if (self::isAscii($value)) { |
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| 539 | $res = str_split($value, $length); |
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| 540 | if ($res === false) { |
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| 541 | return []; |
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| 542 | } |
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| 543 | |||
| 544 | return $res; |
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| 545 | } |
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| 546 | |||
| 547 | if (mb_strlen($value) <= $length) { |
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| 548 | return [$value]; |
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| 549 | } |
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| 550 | $matches = []; |
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| 551 | preg_match_all( |
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| 552 | '/.{' . $length . '}|[^\x00]{1,' . $length . '}$/us', |
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| 553 | $value, |
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| 554 | $matches |
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| 555 | ); |
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| 556 | |||
| 557 | return $matches[0]; |
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| 558 | } |
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| 559 | |||
| 560 | /** |
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| 561 | * Check whether the given string contains only ASCII chars |
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| 562 | * @param string $value |
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| 563 | * @return bool |
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| 564 | */ |
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| 565 | public static function isAscii(string $value): bool |
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| 566 | { |
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| 567 | return (bool)!preg_match('/[^\x00-\x7F]/S', $value); |
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| 568 | } |
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| 569 | |||
| 570 | /** |
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| 571 | * Put string to lower case |
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| 572 | * @param string $value |
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| 573 | * @return string |
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| 574 | */ |
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| 575 | public static function lower(string $value): string |
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| 578 | } |
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| 579 | |||
| 580 | /** |
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| 581 | * Put string to upper case |
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| 582 | * @param string $value |
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| 583 | * @return string |
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| 584 | */ |
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| 585 | public static function upper(string $value): string |
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| 586 | { |
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| 587 | return mb_strtoupper($value, 'UTF-8'); |
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| 588 | } |
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| 589 | |||
| 590 | /** |
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| 591 | * Return the unique ID |
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| 592 | * @param int $length |
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| 593 | * |
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| 594 | * @return string |
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| 595 | */ |
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| 596 | public static function uniqId(int $length = 13): string |
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| 597 | { |
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| 598 | $bytes = random_bytes((int) ceil($length / 2)); |
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| 599 | |||
| 600 | return (string)substr(bin2hex($bytes), 0, $length); |
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| 601 | } |
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| 602 | |||
| 603 | /** |
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| 604 | * Generate random string value |
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| 605 | * @param int $length |
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| 606 | * @return string |
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| 607 | */ |
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| 608 | public static function random(int $length = 16): string |
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| 609 | { |
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| 610 | $string = ''; |
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| 611 | while (($len = strlen($string)) < $length) { |
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| 612 | $size = $length - $len; |
||
| 613 | $bytes = random_bytes($size); |
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| 614 | |||
| 615 | $string .= substr( |
||
| 616 | str_replace(['/', '+', '='], '', base64_encode($bytes)), |
||
| 617 | 0, |
||
| 618 | $size |
||
| 619 | ); |
||
| 620 | } |
||
| 621 | |||
| 622 | return $string; |
||
| 623 | } |
||
| 624 | |||
| 625 | /** |
||
| 626 | * Generates a random string of a given type and length. Possible |
||
| 627 | * values for the first argument ($type) are: |
||
| 628 | * - alnum - alpha-numeric characters (including capitals) |
||
| 629 | * - alpha - alphabetical characters (including capitals) |
||
| 630 | * - hexdec - hexadecimal characters, 0-9 plus a-f |
||
| 631 | * - numeric - digit characters, 0-9 |
||
| 632 | * - nozero - digit characters, 1-9 |
||
| 633 | * - distinct - clearly distinct alpha-numeric characters. |
||
| 634 | * @param string $type |
||
| 635 | * @param int $length |
||
| 636 | * @return string |
||
| 637 | */ |
||
| 638 | public static function randomString(string $type = 'alnum', int $length = 8): string |
||
| 639 | { |
||
| 640 | $utf8 = false; |
||
| 641 | |||
| 642 | switch ($type) { |
||
| 643 | case 'alnum': |
||
| 644 | $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
||
| 645 | break; |
||
| 646 | case 'alpha': |
||
| 647 | $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
||
| 648 | break; |
||
| 649 | case 'lowalnum': |
||
| 650 | $pool = '0123456789abcdefghijklmnopqrstuvwxyz'; |
||
| 651 | break; |
||
| 652 | case 'hexdec': |
||
| 653 | $pool = '0123456789abcdef'; |
||
| 654 | break; |
||
| 655 | case 'numeric': |
||
| 656 | $pool = '0123456789'; |
||
| 657 | break; |
||
| 658 | case 'nozero': |
||
| 659 | $pool = '123456789'; |
||
| 660 | break; |
||
| 661 | case 'distinct': |
||
| 662 | $pool = '2345679ACDEFHJKLMNPRSTUVWXYZ'; |
||
| 663 | break; |
||
| 664 | default: |
||
| 665 | $pool = (string)$type; |
||
| 666 | $utf8 = !self::isAscii($pool); |
||
| 667 | break; |
||
| 668 | } |
||
| 669 | |||
| 670 | // Split the pool into an array of characters |
||
| 671 | $pool = $utf8 ? self::split($pool, 1) : str_split($pool, 1); |
||
| 672 | // Largest pool key |
||
| 673 | $max = count($pool) - 1; |
||
| 674 | |||
| 675 | $str = ''; |
||
| 676 | for ($i = 0; $i < $length; $i++) { |
||
| 677 | // Select a random character from the pool and add it to the string |
||
| 678 | $str .= $pool[random_int(0, $max)]; |
||
| 679 | } |
||
| 680 | |||
| 681 | // Make sure alnum strings contain at least one letter and one digit |
||
| 682 | if ($type === 'alnum' && $length > 1) { |
||
| 683 | if (ctype_alpha($str)) { |
||
| 684 | // Add a random digit |
||
| 685 | $str[random_int(0, $length - 1)] = chr(random_int(48, 57)); |
||
| 686 | } elseif (ctype_digit($str)) { |
||
| 687 | // Add a random letter |
||
| 688 | $str[random_int(0, $length - 1)] = chr(random_int(65, 90)); |
||
| 689 | } |
||
| 690 | } |
||
| 691 | |||
| 692 | return $str; |
||
| 693 | } |
||
| 694 | |||
| 695 | /** |
||
| 696 | * Create a simple random token-string |
||
| 697 | * @param int $length |
||
| 698 | * @param string $salt |
||
| 699 | * @return string |
||
| 700 | */ |
||
| 701 | public static function randomToken(int $length = 24, string $salt = ''): string |
||
| 702 | { |
||
| 703 | $string = ''; |
||
| 704 | $chars = '0456789abc1def2ghi3jkl'; |
||
| 705 | $maxVal = strlen($chars) - 1; |
||
| 706 | |||
| 707 | for ($i = 0; $i < $length; ++$i) { |
||
| 708 | $string .= $chars[random_int(0, $maxVal)]; |
||
| 709 | } |
||
| 710 | |||
| 711 | return md5($string . $salt); |
||
| 712 | } |
||
| 713 | |||
| 714 | /** |
||
| 715 | * Return the ASCII replacement |
||
| 716 | * @return array<string, array<string>> |
||
| 717 | */ |
||
| 718 | private static function getChars(): array |
||
| 1229 | ], |
||
| 1230 | ]; |
||
| 1231 | } |
||
| 1232 | } |
||
| 1233 |
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