46 lines
973 B
PHP
46 lines
973 B
PHP
<?php
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/**
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* Retrieves an element from an associative array or %NULL if it is not
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* defined.
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*/
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function nullif ($map, $key)
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{
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return isset($map[$key]) ? $map[$key] : NULL;
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}
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/**
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* Checks if passed $path is inside directory $dir.
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*/
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function checkFilePath($file, $path)
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{
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$checkPath = stream_resolve_include_path($path).'/';
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$filePath = stream_resolve_include_path($checkPath.$file);
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$len = strlen($checkPath);
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return substr($filePath, 0, strlen($checkPath)) === $checkPath;
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}
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/**
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* Checks if passed token is hyphenized.
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*/
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function isHyphen($token) {
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return preg_match('/^[\w\-]+$/', $token);
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}
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/**
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* Transforms an hyphen string to camelcase.
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*/
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function hyphenToCamelCase($string, $upperFirst = FALSE) {
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$replaceFunc = function($matches) {
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return strtoupper($matches[0][1]);
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};
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$result = preg_replace_callback('/-[a-z]/', $replaceFunc, $string);
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if ($upperFirst)
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$result = strtoupper($result{0}) . substr($result, 1);
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return $result;
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}
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