1 | <?php |
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9 | class Str { |
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10 | /** |
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11 | * 判断一个字符串是否包含于另一个字符中 |
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12 | * |
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13 | * @param string $haystack |
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14 | * @param string|array $needles |
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15 | * @return bool |
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16 | */ |
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17 | 1 | public static function contains($haystack, $needles) |
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26 | /** |
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27 | * 判断一个字符串是否以给定字符串开始 |
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28 | * |
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29 | * @param string $haystack |
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30 | * @param string|array $needles |
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31 | * @return bool |
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32 | */ |
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33 | 3 | public static function startsWith($haystack, $needles) |
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34 | { |
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35 | 3 | foreach ((array) $needles as $needle) { |
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36 | 3 | if ($needle != '' && substr($haystack, 0, strlen($needle)) === (string) $needle) { |
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37 | 3 | return true; |
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38 | } |
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39 | } |
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40 | return false; |
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41 | } |
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42 | /** |
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43 | * 判断一个字符串是否以给定字符串结尾 |
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44 | * |
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45 | * @param string $haystack |
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46 | * @param string|array $needles |
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47 | * @return bool |
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48 | */ |
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49 | 1 | public static function endsWith($haystack, $needles) |
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58 | } |