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. namespace phalanx\base; // Iterates over an array and unsets any empty elements in the array. This // operates on the parameter itself. function ArrayStripEmpty(Array & $array) { foreach ($array as $key => $value) if (is_array($array[$key])) ArrayStripEmpty($array[$key]); else if (empty($value)) unset($array[$key]); } // Turns an under_scored string into a CamelCased one. If |$first_char| is // TRUE, then the first character will also be capatalized. function UnderscoreToCamelCase($string, $first_char = TRUE) { if ($first_char) $string[0] = strtoupper($string[0]); return preg_replace_callback('/_([a-z])/', function($c) { return strtoupper($c[1]); }, $string); } // Turns a CamelCase string to an under_scored one. function CamelCaseToUnderscore($string) { $string = preg_replace('/([A-Z]+)([A-Z][a-z])/','\1_\2',$string); $string = preg_replace('/([a-z])([A-Z])/','\1_\2', $string); return strtolower($string); } // Creates a random string of length |$length|, or a random length between 20 // and 100 if NULL. function Random($length = NULL) { if ($length === NULL) $length = rand(20, 100); $string = ''; for ($i = 0; $i < $length; $i++) { $type = rand(0, 300); if ($type < 100) $string .= rand(0, 9); else if ($type < 200) $string .= chr(rand(65, 90)); else $string .= chr(rand(97, 122)); } return $string; }