1 | <?php |
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9 | trait NavigationTrait { |
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10 | /** |
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11 | * Visits a given url |
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12 | * @param string $url |
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13 | */ |
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14 | public function visit($url) { |
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17 | |||
18 | /** |
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19 | * Gets the current url if any |
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20 | * @return string |
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21 | */ |
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22 | public function getCurrentUrl() { |
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25 | |||
26 | |||
27 | /** |
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28 | * Reloads the page if possible |
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29 | */ |
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30 | public function reload() { |
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33 | |||
34 | /** |
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35 | * Goes forward if possible |
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36 | */ |
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37 | public function forward() { |
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40 | |||
41 | /** |
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42 | * Goes back if possible |
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43 | */ |
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44 | public function back() { |
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47 | |||
48 | |||
49 | } |
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50 |
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: