Simplify gallery generation script to new datafiles

_scripts/utilities.php

@@ -17,4 +17,38 @@ function writeFile($sFile, $aYaml, $sContents = null) {
 
 function yamlDump($aData) {
     return str_replace("'", null, Yaml::dump($aData, 4, 2));
+}
+
+function normaliseName($sName) {
+    return preg_replace('/(-| )+/', '-', preg_replace('/[^a-z0-9 ]/i', '-', preg_replace('/\'/', '', strtolower(preg_replace('/\p{Mn}/u', '', Normalizer::normalize($aPhoto['title'], Normalizer::FORM_KD))))));
+}
+
+function coordinateToDegrees($aCoordinate, $sHemisphere) {
+    $aCoordinate = array_map('fractionToFloat', $aCoordinate);
+    $aDegrees = array_map(function ($a, $b) {
+            return $a / $b;
+        }, $aCoordinate, array(1, 60, 3600));
+    $iFlip = ($sHemisphere == 'W' or $sHemisphere == 'S') ? -1 : 1;
+    return $iFlip * array_sum($aDegrees);
+}
+
+function fractionToFloat($sFraction) {
+    $aParts = explode('/', $sFraction);
+    $iParts = count($aParts);
+    return $iParts
+        ? ($iParts > 1
+            ? floatval($aParts[0]) / floatval($aParts[1])
+            : $aParts[0])
+        : 0;
+}
+
+function ksort_recursive(&$aArray, $mSortFlags = SORT_REGULAR) {
+    if (!is_array($aArray)) {
+        return false;
+    }
+    foreach ($aArray as &$aSubarray) {
+        ksort_recursive($aSubarray, $mSortFlags);
+    }
+    ksort($aArray, $mSortFlags);
+    return true;
 }