exclude datatype detection in its own trait

composer.json

@@ -14,7 +14,8 @@
     ],
     "autoload": {
         "classmap": [
-            "."
+            ".",
+            "./extensions"
         ]
     },
     "require-dev": {

extensions/Datatype.php

@@ -0,0 +1,98 @@
+<?php
+
+trait Datatype {
+
+    /**
+     * Datatypes
+     * Datatypes of CSV data-columns
+     *
+     * @access public
+     * @var array
+     */
+    public $data_types = [];
+
+    /**
+     * Check data type
+     * Check for possible data types for one field value string.
+     *
+     * @access private
+     *
+     * @param string $value cell value
+     *
+     * @return string
+     */
+    private function getDatatypeFromString($value) {
+        $value = trim((string) $value);
+
+        if (empty($value)) {
+            return 'unknown';
+        }
+
+        if (preg_match('/^(?i:true|false)$/', $value)) {
+            return 'boolean';
+        }
+
+        if (preg_match('/^[-+]?[0-9]\d*$/', $value)) {
+            return 'integer';
+        }
+
+        if (preg_match('/^[+-]?([0-9]*[.])?([0-9]|[.][0-9])+$/', $value)) {
+            return 'float';
+        }
+
+        if ((bool) strtotime($value)) {
+            return 'date';
+        }
+
+        return 'string';
+    }
+
+    /**
+     * Check data type for one column.
+     * Check for most commonly data type for one column.
+     *
+     * @access private
+     *
+     * @param  [array] $datatypes
+     *
+     * @return [string|false]
+     */
+    private function getMostFrequentDataypeForColumn($datatypes) {
+        if (isset($datatypes['unknown'])) {
+            unset($datatypes['unknown']);
+        }
+
+        $typesFreq = array_count_values($datatypes);
+        arsort($typesFreq);
+        reset($typesFreq);
+
+        return key($typesFreq);
+
+    }
+
+    /**
+     * Check data type foreach Column
+     * Check data type for each column and returns the most commonly.
+     *
+     * @access public
+     *
+     * @return [array|bool]
+     */
+    public function getDatatypes() {
+        if (empty($this->data)) {
+            $this->data = $this->parse_string();
+        }
+
+        $result = [];
+        foreach ($this->titles as $cName) {
+            $column = array_column($this->data, $cName);
+            $cDatatypes = array_map([$this, 'getDatatypeFromString'], $column);
+
+            $result[$cName] = $this->getMostFrequentDataypeForColumn($cDatatypes);
+        }
+
+        $this->data_types = $result;
+
+        return !empty($this->data_types) ? $this->data_types : FALSE;
+    }
+}

parsecsv.lib.php

@@ -322,14 +322,7 @@ class parseCSV {
      */
     public $data = array();
 
-    /**
+    use Datatype;
-     * Datatypes
-     * Datatypes of CSV data-columns
-     *
-     * @access public
-     * @var array
-     */
-    public $data_types = array();
 
     /**
      * Constructor
@@ -544,90 +537,6 @@ class parseCSV {
         return $this->delimiter;
     }
 
-    /**
-     * Check data type
-     * Check for possible data types for one field value string.
-     *
-     * @access private
-     *
-     * @param  [string] $value cell value
-     *
-     * @return [string]
-     */
-    private function getDatatypeFromString($value){
-        $value = trim((string) $value);
-
-        if (empty($value)){
-            return 'unknown';
-        }
-
-        if (preg_match('/^(?i:true|false)$/', $value)){
-            return 'boolean';
-        }
-
-        if (preg_match('/^[-+]?[0-9]\d*$/', $value)){
-            return 'integer';
-        }
-
-        if (preg_match('/^[+-]?([0-9]*[.])?([0-9]|[.][0-9])+$/', $value)){
-            return 'float';
-        }
-
-        if ((bool)strtotime($value)){
-            return 'date';
-        }
-
-        return 'string';
-    }
-    /**
-     * Check data type for one column.
-     * Check for most commonly data type for one column.
-     *
-     * @access private
-     *
-     * @param  [array] $datatypes
-     *
-     * @return [string|false]
-     */
-    private function getMostCommonlyDataypeForColumn($datatypes){
-        if (isset($datatypes['unknown'])){
-            unset($datatypes['unknown']);
-        }
-
-        $typesFreq = array_count_values($datatypes);
-        arsort($typesFreq);
-        reset($typesFreq);
-
-        return key($typesFreq);
-
-    }
-
-    /**
-     * Check data type foreach Column
-     * Check data type for each column and returns the most commonly.
-     *
-     * @access public
-     *
-     * @return [array|bool]
-     */
-    public function getDatatypes(){
-        if (empty($this->data)){
-            $this->data = $this->parse_string();
-        }
-
-        $result = [];
-        foreach ($this->titles as $cName){
-            $column = array_column($this->data, $cName);
-            $cDatatypes = array_map(array($this,'getDatatypeFromString'), $column);
-
-            $result[$cName] = $this->getMostCommonlyDataypeForColumn($cDatatypes);
-        }
-
-        $this->data_types = $result;
-
-        return !empty($this->data_types) ? $this->data_types : false;
-    }
-
     // ==============================================
     // ----- [ Core Functions ] ---------------------
     // ==============================================