@@ 17-25 (lines=9) @@ | ||
14 | * |
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15 | * @return bool|string |
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16 | */ |
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17 | public static function pop(string &$str, string $encoding = null) |
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18 | { |
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19 | $encoding = $encoding ?: mb_internal_encoding(); |
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20 | ||
21 | $last = mb_substr($str, -1, null, $encoding); |
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22 | $str = mb_substr($str, 0, -1, $encoding); |
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23 | ||
24 | return $last; |
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25 | } |
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26 | ||
27 | /** |
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28 | * Shift a character off the beginning of string |
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@@ 35-43 (lines=9) @@ | ||
32 | * |
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33 | * @return bool|string |
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34 | */ |
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35 | public static function shift(string &$str, string $encoding = null) |
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36 | { |
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37 | $encoding = $encoding ?: mb_internal_encoding(); |
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38 | ||
39 | $first = mb_substr($str, 0, 1, $encoding); |
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40 | $str = mb_substr($str, 1, null, $encoding); |
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41 | ||
42 | return $first; |
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43 | } |
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44 | ||
45 | /** |
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46 | * Cut substring from the beginning of string |