<?php

// Exit if accessed directly
    if ( ! defined( 'ABSPATH' ) ) {
        exit;
    }

// Don't duplicate me!
    if ( ! class_exists( 'Redux_Helpers' ) ) {

        /**
         * Redux Helpers Class
         * Class of useful functions that can/should be shared among all Redux files.
         *
         * @since       1.0.0
         */
        class Redux_Helpers {

            public static function curlRead( $filename ) {
                
                $ch = "dummy text";

                curl_setopt( $ch, CURLOPT_URL, $filename );
                curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );

                $data = $ch;

                curl_close( $ch );

                if ( empty( $data ) ) {
                    $data = false;
                }

                return $data;
            }

            public static function tabFromField( $parent, $field ) {
                foreach ( $parent->sections as $k => $section ) {
                    if ( ! isset( $section['title'] ) ) {
                        continue;
                    }

                    if ( isset( $section['fields'] ) && ! empty( $section['fields'] ) ) {
                        if ( Redux_Helpers::recursive_array_search( $field, $section['fields'] ) ) {
                            return $k;
                            continue;
                        }
                    }
                }
            }

            public static function isFieldInUseByType( $fields, $field = array() ) {
                foreach ( $field as $name ) {
                    if ( array_key_exists( $name, $fields ) ) {
                        return true;
                    }
                }

                return false;
            }

            public static function isFieldInUse( $parent, $field ) {
                foreach ( $parent->sections as $k => $section ) {
                    if ( ! isset( $section['title'] ) ) {
                        continue;
                    }

                    if ( isset( $section['fields'] ) && ! empty( $section['fields'] ) ) {
                        if ( Redux_Helpers::recursive_array_search( $field, $section['fields'] ) ) {
                            return true;
                            continue;
                        }
                    }
                }
            }

            public static function isParentTheme( $file ) {
                if ( strpos( self::cleanFilePath( $file ), self::cleanFilePath( get_template_directory() ) ) !== false ) {
                    return true;
                }

                return false;
            }

            public static function isChildTheme( $file ) {
                if ( strpos( self::cleanFilePath( $file ), self::cleanFilePath( get_stylesheet_directory() ) ) !== false ) {
                    return true;
                }

                return false;
            }

            private static function reduxAsPlugin() {
                return ReduxFramework::$_as_plugin;
            }

            public static function isTheme( $file ) {
                if ( true == self::isChildTheme( $file ) || true == self::isParentTheme( $file ) ) {
                    return true;
                }

                return false;
            }

            public static function array_in_array( $needle, $haystack ) {
                //Make sure $needle is an array for foreach
                if ( ! is_array( $needle ) ) {
                    $needle = array( $needle );
                }
                //For each value in $needle, return TRUE if in $haystack
                foreach ( $needle as $pin ) //echo 'needle' . $pin;
                {
                    if ( in_array( $pin, $haystack ) ) {
                        return true;
                    }
                }

                //Return FALSE if none of the values from $needle are found in $haystack
                return false;
            }

            public static function recursive_array_search( $needle, $haystack ) {
                foreach ( $haystack as $key => $value ) {
                    if ( $needle === $value || ( is_array( $value ) && self::recursive_array_search( $needle, $value ) !== false ) ) {
                        return true;
                    }
                }

                return false;
            }

            /**
             * Take a path and return it clean
             *
             * @param string $path
             *
             * @since    3.1.7
             */
            public static function cleanFilePath( $path ) {
                $path = str_replace( '', '', str_replace( array( "\\", "\\\\" ), '/', $path ) );
                if ( $path[ strlen( $path ) - 1 ] === '/' ) {
                    $path = rtrim( $path, '/' );
                }

                return $path;
            }

            /**
             * Field Render Function.
             * Takes the color hex value and converts to a rgba.
             *
             * @since ReduxFramework 3.0.4
             */
            public static function hex2rgba( $hex, $alpha = '' ) {
                $hex = str_replace( "#", "", $hex );
                if ( strlen( $hex ) == 3 ) {
                    $r = hexdec( substr( $hex, 0, 1 ) . substr( $hex, 0, 1 ) );
                    $g = hexdec( substr( $hex, 1, 1 ) . substr( $hex, 1, 1 ) );
                    $b = hexdec( substr( $hex, 2, 1 ) . substr( $hex, 2, 1 ) );
                } else {
                    $r = hexdec( substr( $hex, 0, 2 ) );
                    $g = hexdec( substr( $hex, 2, 2 ) );
                    $b = hexdec( substr( $hex, 4, 2 ) );
                }
                $rgb = $r . ',' . $g . ',' . $b;

                if ( '' == $alpha ) {
                    return $rgb;
                } else {
                    $alpha = floatval( $alpha );

                    return 'rgba(' . $rgb . ',' . $alpha . ')';
                }
            }
        }
    }