My first commit of codes

vendor/giggsey/libphonenumber-for-php/build/libphonenumber/buildtools/GenerateTimeZonesMapData.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace libphonenumber\buildtools;
+
+
+use libphonenumber\PhoneNumberToTimeZonesMapper;
+
+class GenerateTimeZonesMapData
+{
+    const GENERATION_COMMENT = <<<'EOT'
+/**
+ * This file is automatically @generated by {@link GeneratePhonePrefixData}.
+ * Please don't modify it directly.
+ */
+
+
+EOT;
+    private $inputTextFile;
+
+    public function __construct($inputFile, $outputDir)
+    {
+        $this->inputTextFile = $inputFile;
+
+        if (!is_readable($this->inputTextFile)) {
+            throw new \RuntimeException("The provided input text file does not exist.");
+        }
+
+        $data = $this->parseTextFile();
+        $this->writeMappingFile($outputDir, $data);
+    }
+
+    /**
+     * Reads phone prefix data from the provided input stream and returns a SortedMap with the
+     * prefix to time zones mappings.
+     */
+    private function parseTextFile()
+    {
+        $data = file($this->inputTextFile);
+
+        $timeZoneMap = array();
+
+        foreach ($data as $line) {
+            // Remove \n
+            $line = str_replace("\n", "", $line);
+            $line = str_replace("\r", "", $line);
+            $line = trim($line);
+
+            if (strlen($line) == 0 || substr($line, 0, 1) == '#') {
+                continue;
+            }
+            if (strpos($line, '|')) {
+                // Valid line
+                $parts = explode('|', $line);
+
+
+                $prefix = $parts[0];
+                $timezone = $parts[1];
+
+                $timeZoneMap[$prefix] = $timezone;
+            }
+        }
+
+        return $timeZoneMap;
+    }
+
+    private function writeMappingFile($outputFile, $data)
+    {
+        $phpSource = '<?php' . PHP_EOL
+            . self::GENERATION_COMMENT
+            . 'return ' . var_export($data, true) . ';'
+            . PHP_EOL;
+
+        $outputPath = $outputFile . DIRECTORY_SEPARATOR . PhoneNumberToTimeZonesMapper::MAPPING_DATA_FILE_NAME;
+
+        file_put_contents($outputPath, $phpSource);
+    }
+}