<?php

// Convierte fecha mysql a normal
function cambiaf_a_normal($fecha)
{
    //ereg( "([0-9]{2,4})-([0-9]{1,2})-([0-9]{1,2})", $fecha, $mifecha);
    $mifecha = explode('-', $fecha);
    $lafecha = $mifecha[2] . "/" . $mifecha[1] . "/" . $mifecha[0];
    return $lafecha;
}

// Convierte fecha mysql a normal
function cambiaf_a_mysql($fecha)
{
    $mifecha = explode('/', $fecha);
    $lafecha = $mifecha[2] . "-" . $mifecha[1] . "-" . $mifecha[0];
    return $lafecha;
}

//Función que comprueba si la web está en dispositivo móvil
function is_mobile()
{
    // Get the user agent

    $user_agent = $_SERVER['HTTP_USER_AGENT'];

    // Create an array of known mobile user agents
    // This list is from the 21 October 2010 WURFL File.
    // Most mobile devices send a pretty standard string that can be covered by
    // one of these.  I believe I have found all the agents (as of the date above)
    // that do not and have included them below.  If you use this function, you
    // should periodically check your list against the WURFL file, available at:
    // http://wurfl.sourceforge.net/

    $mobile_agents = array(

        "240x320",
        "acer",
        "acoon",
        "acs-",
        "abacho",
        "ahong",
        "airness",
        "alcatel",
        "amoi",
        "android",
        "anywhereyougo.com",
        "applewebkit/525",
        "applewebkit/532",
        "asus",
        "audio",
        "au-mic",
        "avantogo",
        "becker",
        "benq",
        "bilbo",
        "bird",
        "blackberry",
        "blazer",
        "bleu",
        "cdm-",
        "compal",
        "coolpad",
        "danger",
        "dbtel",
        "dopod",
        "elaine",
        "eric",
        "etouch",
        "fly ",
        "fly_",
        "fly-",
        "go.web",
        "goodaccess",
        "gradiente",
        "grundig",
        "haier",
        "hedy",
        "hitachi",
        "htc",
        "huawei",
        "hutchison",
        "inno",
        "ipad",
        "ipaq",
        "ipod",
        "jbrowser",
        "kddi",
        "kgt",
        "kwc",
        "lenovo",
        "lg ",
        "lg2",
        "lg3",
        "lg4",
        "lg5",
        "lg7",
        "lg8",
        "lg9",
        "lg-",
        "lge-",
        "lge9",
        "longcos",
        "maemo",
        "mercator",
        "meridian",
        "micromax",
        "midp",
        "mini",
        "mitsu",
        "mmm",
        "mmp",
        "mobi",
        "mot-",
        "moto",
        "nec-",
        "netfront",
        "newgen",
        "nexian",
        "nf-browser",
        "nintendo",
        "nitro",
        "nokia",
        "nook",
        "novarra",
        "obigo",
        "palm",
        "panasonic",
        "pantech",
        "philips",
        "phone",
        "pg-",
        "playstation",
        "pocket",
        "pt-",
        "qc-",
        "qtek",
        "rover",
        "sagem",
        "sama",
        "samu",
        "sanyo",
        "samsung",
        "sch-",
        "scooter",
        "sec-",
        "sendo",
        "sgh-",
        "sharp",
        "siemens",
        "sie-",
        "softbank",
        "sony",
        "spice",
        "sprint",
        "spv",
        "symbian",
        "tablet",
        "talkabout",
        "tcl-",
        "teleca",
        "telit",
        "tianyu",
        "tim-",
        "toshiba",
        "tsm",
        "up.browser",
        "utec",
        "utstar",
        "verykool",
        "virgin",
        "vk-",
        "voda",
        "voxtel",
        "vx",
        "wap",
        "wellco",
        "wig browser",
        "wii",
        "windows ce",
        "wireless",
        "xda",
        "xde",
        "zte",
    );

    // Pre-set $is_mobile to false.

    $is_mobile = false;

    // Cycle through the list in $mobile_agents to see if any of them
    // appear in $user_agent.

    foreach ($mobile_agents as $device) {

        // Check each element in $mobile_agents to see if it appears in
        // $user_agent.  If it does, set $is_mobile to true.

        if (stristr($user_agent, $device)) {

            $is_mobile = true;

            // break out of the foreach, we don't need to test
            // any more once we get a true value.

            break;
        }
    }

    return $is_mobile;
}

function arrayHasOnlyInts($array){
    $test = implode('',$array);
    return is_numeric($test);
 }
