- First commit, some small work porting an old lib I had done into this first draft

src/Iterate.php

@@ -0,0 +1,117 @@
+<?php
+
+namespace Tell;
+
+use RecursiveDirectoryIterator,
+    RecursiveIteratorIterator,
+    RecursiveRegexIterator,
+    RegexIterator;
+
+class Iterate
+{
+    /**
+     * Set value to array with a given path using recursion
+     * @param array			$array - array to set passed by reference !
+     * @param string		$path - path like 'person.name.first'
+     * @param string		$value - value to set
+     */
+    public static function arraySet(array &$array, string $path, string $value = '', string $delimiter = '.') {
+        $pathArr = explode($delimiter, $path);
+
+        // Go to next node
+        if ( isset($pathArr[1])) {
+            static::arraySet($array[ array_shift($pathArr) ], implode($delimiter, $pathArr), $value);
+        }
+        // We are at the end of the path, set value
+        else {
+            $array[ $pathArr[0] ] = $value;
+        }
+    }
+
+    public static function arrayGet(array $array, string $path, string $delimiter = '.') {
+        $pathArr = explode($delimiter, $path);
+
+        if (isset($array[$pathArr[0]])) {
+            if ( isset($pathArr[1]) ) {
+                return static::arrayGet($array[array_shift($pathArr)], implode($delimiter, $pathArr));
+            }
+            else {
+                return $array[$pathArr[0]];
+            }
+        }
+        else {
+            return null;
+        }
+    }
+
+    public static function splitKeys(array &$array, string $delimiter = ".", string $enclosed = '{}') {
+        if ( is_array($array) ) {
+            $swap = [];
+
+            foreach($array as $key => &$value) {
+                $process = strstr($key, $delimiter);
+
+                if ( $enclosed ) {
+                    if ( ( strlen($key) - 2 ) !== strlen( $tkey = trim($key, $enclosed) ) ) {
+                        $process = false;
+                    }
+                    else {
+                        $oldKey = $key;
+                        $key = $tkey;
+                    }
+                }
+
+                if ( $process ) {
+                    $tmp = [];
+                    $keylist = explode($delimiter, $key);
+                    $finalKey = array_shift($keylist);
+                    # Arrayobj::iterate_set($keylist, $tmp, $value);
+                    static::arraySet($tmp, $key, $value);
+                    $swap[$finalKey] = static::splitKeys($tmp, $delimiter);
+
+                    unset($array[isset($oldKey) ? $oldKey : $key]);
+                }
+                else if ( is_array($value) ) {
+                    $value = static::splitKeys($value, $delimiter);
+                }
+            }
+
+            foreach($swap as $key => $item) {
+                if ( $enclosed ) {
+                    if ( ( strlen($key) - 2 ) === ( $tkey = trim($key, $enclosed)) ) {
+                        $key = $tkey;
+                    }
+                }
+
+                $array[$key] = $item;
+            }
+        }
+
+        return $array;
+    }
+
+    public static function files(string $path, string $fileExtension = "") {
+        $retval = [];
+
+        if ( \file_exists($path) ) {
+            $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS), RecursiveIteratorIterator::SELF_FIRST,  RecursiveIteratorIterator::CATCH_GET_CHILD);
+
+            if ($fileExtension) {
+                $iterator = new RegexIterator($iterator, '/^.+\.'.$fileExtension.'$/i', RecursiveRegexIterator::GET_MATCH);
+            }
+
+            foreach ($iterator as $file) {
+                if ($fileExtension) {
+                    $retval[] = $file[0];
+                }
+                else {
+                    if ( $file->isFile() || $file->isDir() ) {
+                        $retval[] = $file->getRealPath();
+                    }
+                }
+            }
+        }
+        return $retval;
+    }
+
+}