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1 | <?php |
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2 | namespace morphos; |
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3 | |||
4 | /** |
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5 | * Multibyte string helper |
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6 | */ |
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7 | class S |
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8 | { |
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9 | /** |
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10 | * Sets encoding for using in morphos/* functions. |
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11 | * @param string $encoding |
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12 | * @return bool |
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13 | */ |
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14 | public static function setEncoding($encoding) |
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15 | { |
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16 | if (function_exists('mb_internal_encoding')) { |
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17 | mb_internal_encoding($encoding); |
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18 | } elseif (function_exists('iconv_set_encoding')) { |
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19 | iconv_set_encoding('internal_encoding', $encoding); |
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20 | } else { |
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21 | return false; |
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22 | } |
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23 | } |
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24 | |||
25 | /** |
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26 | * Calculates count of characters in string. |
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27 | * @param $string |
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28 | * @return bool|int |
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29 | */ |
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30 | 36 | public static function length($string) |
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31 | { |
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32 | 36 | if (function_exists('mb_strlen')) { |
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33 | 36 | return mb_strlen($string); |
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34 | } |
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35 | |||
36 | if (function_exists('iconv_strlen')) { |
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37 | return iconv_strlen($string); |
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38 | } |
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39 | |||
40 | return false; |
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41 | } |
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42 | |||
43 | /** |
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44 | * Slices string like python. |
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45 | * @param string $string |
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46 | * @param int $start |
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47 | * @param int|null $end |
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48 | * @return bool|string |
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49 | */ |
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50 | 1405 | public static function slice($string, $start, $end = null) |
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51 | { |
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52 | 1405 | if ($end != null) { |
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53 | 589 | $end -= $start; |
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54 | } |
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55 | |||
56 | 1405 | if (function_exists('mb_substr')) { |
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57 | 1405 | return $end === null ? mb_substr($string, $start) : mb_substr($string, $start, $end); |
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58 | } |
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59 | |||
60 | if (function_exists('iconv_substr')) { |
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61 | return $end === null ? iconv_substr($string, $start) : iconv_substr($string, $start, $end); |
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62 | } |
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63 | |||
64 | return false; |
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65 | } |
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66 | |||
67 | /** |
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68 | * Lower case. |
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69 | * @param $string |
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70 | * @return bool|string |
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71 | */ |
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72 | 1658 | public static function lower($string) |
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73 | { |
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74 | 1658 | if (function_exists('mb_strtolower')) { |
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75 | 1658 | return mb_strtolower($string); |
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76 | } |
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77 | |||
78 | return false; |
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79 | } |
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80 | |||
81 | /** |
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82 | * Upper case. |
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83 | * @param $string |
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84 | * @return bool|string |
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85 | */ |
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86 | 208 | public static function upper($string) |
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87 | { |
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88 | 208 | if (function_exists('mb_strtoupper')) { |
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89 | 208 | return mb_strtoupper($string); |
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90 | } |
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91 | |||
92 | return false; |
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93 | } |
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94 | |||
95 | /** |
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96 | * Name case. (ex: Thomas, Lewis) |
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97 | * @param $string |
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98 | * @return bool|string |
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99 | */ |
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100 | 206 | public static function name($string) |
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101 | { |
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102 | 206 | if (function_exists('mb_strtoupper')) { |
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103 | 206 | return implode('-', array_map(function ($word) { |
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104 | 206 | return self::upper(self::slice($word, 0, 1)).self::lower(self::slice($word, 1)); |
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105 | 206 | }, explode('-', $string))); |
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106 | } |
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107 | |||
108 | return false; |
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109 | } |
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110 | |||
111 | /** |
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112 | * multiple substr_count(). |
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113 | * @param $string |
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114 | * @param array $chars |
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115 | * @return bool|int |
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116 | */ |
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117 | public static function countChars($string, array $chars) |
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118 | { |
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119 | if (function_exists('mb_split')) { |
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120 | return count(mb_split('('.implode('|', $chars).')', $string)) - 1; |
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121 | } |
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122 | |||
123 | return false; |
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124 | } |
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125 | |||
126 | /** |
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127 | * @param string $string |
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128 | * @param string $char |
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129 | * @return bool|string |
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130 | */ |
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131 | 9 | public static function findFirstPosition($string, $char) |
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132 | { |
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133 | 9 | if (function_exists('mb_strpos')) { |
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134 | 9 | return mb_strpos($string, $char, 0); |
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135 | } |
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136 | |||
137 | return strpos($string, $char); |
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138 | } |
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139 | |||
140 | /** |
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141 | * @param string $string |
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142 | * @param string $char |
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143 | * @return bool|string |
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144 | */ |
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145 | 6 | public static function findLastPosition($string, $char) |
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146 | { |
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147 | 6 | if (function_exists('mb_strrpos')) { |
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148 | 6 | return mb_strrpos($string, $char, 0); |
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149 | } |
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150 | |||
151 | return strrpos($string, $char); |
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152 | } |
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153 | |||
154 | /** |
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155 | * @param $string |
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156 | * @param array $chars |
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157 | * @return bool|string |
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158 | */ |
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159 | 44 | public static function findLastPositionForOneOfChars($string, array $chars) |
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160 | { |
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161 | 44 | if (function_exists('mb_strrpos')) { |
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162 | 44 | $last_position = false; |
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163 | 44 | foreach ($chars as $char) { |
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164 | 44 | if (($pos = mb_strrpos($string, $char)) !== false) { |
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165 | 44 | if ($pos > $last_position) { |
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166 | 44 | $last_position = $pos; |
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167 | } |
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168 | } |
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169 | } |
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170 | 44 | if ($last_position !== false) { |
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171 | 44 | return mb_substr($string, $last_position); |
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172 | } |
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173 | return false; |
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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 | * @param $string |
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181 | * @param $substring |
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182 | * @param bool $caseSensetive |
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183 | * @param int $startOffset |
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184 | * @return string|false |
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185 | */ |
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186 | 76 | public static function indexOf($string, $substring, $caseSensetive = false, $startOffset = 0) |
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187 | { |
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188 | 76 | if (function_exists('mb_stripos')) { |
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189 | 76 | return $caseSensetive ? mb_strpos($string, $substring, $startOffset) : mb_stripos($string, $substring, $startOffset); |
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190 | } |
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191 | |||
192 | return false; |
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193 | } |
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194 | } |
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195 |