| @@ 130-136 (lines=7) @@ | ||
| 127 | * @param array|string $list |
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| 128 | * @return mixed |
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| 129 | */ |
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| 130 | function head($list) { |
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| 131 | if(is_string($list)) |
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| 132 | return substr($list, 0, 1); |
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| 133 | return (count($list) > 0) |
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| 134 | ? $list[0] |
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| 135 | : null; |
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| 136 | } |
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| 137 | ||
| 138 | /** |
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| 139 | * Returns the last item of the given array or string. |
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| @@ 152-158 (lines=7) @@ | ||
| 149 | * @param array|string $list |
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| 150 | * @return mixed |
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| 151 | */ |
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| 152 | function last($list) { |
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| 153 | if(is_string($list)) |
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| 154 | return substr($list, -1); |
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| 155 | return (count($list) > 0) |
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| 156 | ? $list[count($list) - 1] |
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| 157 | : null; |
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| 158 | } |
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| 159 | ||
| 160 | /** |
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| 161 | * Returns all but the last element of the given array or string. |
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