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1 | <?php |
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2 | |||
3 | namespace League\Plates\Extension\Folders; |
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4 | |||
5 | use League\Plates; |
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6 | use League\Plates\Extension\Path\ResolvePathArgs; |
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7 | |||
8 | function foldersResolvePath(array $folders, $sep = '::', $file_exists = 'file_exists') { |
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9 | return function(ResolvePathArgs $args, $next) use ($folders, $sep, $file_exists) { |
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10 | 16 | if (strpos($args->path, $sep) === false) { |
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11 | 16 | return $next($args); |
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12 | } |
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13 | |||
14 | 4 | list($folder, $name) = explode($sep, $args->path); |
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15 | 4 | if (!isset($folders[$folder])) { |
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16 | return $next($args); |
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17 | } |
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18 | 4 | $folder_struct = $folders[$folder]; |
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19 | |||
20 | 4 | foreach ($folder_struct['prefixes'] as $prefix) { |
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21 | 4 | $path = $next($args->withPath( |
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22 | 4 | Plates\Util\joinPath([$prefix, $name]) |
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23 | )); |
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24 | |||
25 | // no need to check if file exists if we only have prefix |
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26 | 4 | if (count($folder_struct['prefixes']) == 1 || $file_exists($path)) { |
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27 | 4 | return $path; |
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28 | } |
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29 | } |
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30 | |||
31 | // none of the paths matched, just return what we have. |
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32 | return $path; |
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33 | 16 | }; |
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34 | } |
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35 | |||
36 | function stripFoldersNormalizeName(array $folders, $sep = '::') { |
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37 | return function($name) use ($folders, $sep) { |
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38 | 12 | foreach ($folders as $folder) { |
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39 | 4 | foreach (array_filter($folder['prefixes']) as $prefix) { |
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40 | 4 | if (strpos($name, $prefix) === 0) { |
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41 | 4 | return $folder['folder'] . $sep . substr($name, strlen($prefix) + 1); |
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42 | } |
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43 | } |
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44 | } |
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45 | |||
46 | 12 | return $name; |
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47 | 16 | }; |
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48 | } |
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49 |
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: