GeoIdentify

<?php

/**
   * @identify whether a point in polygon
   * @param p array of point, {x, y}
   * @param poly array of polygon
   * @return true or false
 */
function geoIn($point, $poly) {
    $px = $point[1];
    $py = $point[0];
    $flag = false;

    	for($i=0; $i<count($poly)-1; ++$i) {
    		$apex_x = $poly[$i][0];
    		$apex_y = $poly[$i][1];
    		$next_apex_x = $poly[$i+1][0];
    		$next_apex_y = $poly[$i+1][1];

    		//point is the apex point
    		if ( ($px==$apex_x && $py==$apex_y) || ($px==$next_apex_x && $py==$next_apex_y) ) {
    			return true;
    		}

    		//point is not the apex point
    		if ( ($py>$apex_y && $py<=$next_apex_y) || ($py<=$apex_y && $py>$next_apex_y) ) {
    			$line_x = $apex_x + ($py-$apex_y)*($next_apex_x-$apex_x)/($next_apex_y-$apex_y);

    			//poin on the line
    			if ($px == $line_x) {
    				return true;
    			}

    			//line through polygon
    			if ($px < $line_x) {
    				$flag = !$flag;
    			}
    		}
    	}
        return $flag;
}


function geoIndentify($point, $polyArr) {
    foreach ($polyArr as $poly) {
        if (geoIn($point, $poly)) {
           echo "in";
           exit();
        } else {
            continue;
        }
    }
    echo "out";
}


$CA1 = [[-63.6645,46.55001],[-62.9393,46.41587],[-62.01208,46.44314],[-62.50391,46.03339],[-62.87433,45.96818],[-64.1428,46.39265],[-64.39261,46.72747],[-64.01486,47.03601],[-63.6645,46.55001]];
$CA2 = [[-61.806305,49.10506],[-62.29318,49.08717],[-63.58926,49.40069],[-64.51912,49.87304],[-64.17322,49.95718],[-62.85829,49.70641],[-61.835585,49.28855],[-61.806305,49.10506]];
$CA3 = [[-123.510002,48.510011],[-124.012891,48.370846],[-125.655013,48.825005],[-125.954994,49.179996],[-126.850004,49.53],[-127.029993,49.814996],[-128.059336,49.994959],[-128.444584,50.539138],[-128.358414,50.770648],[-127.308581,50.552574],[-126.695001,50.400903],[-125.755007,50.295018],[-125.415002,49.950001],[-124.920768,49.475275],[-123.922509,49.062484],[-123.510002,48.510011]];
$CA4 = [[-56.134036,50.68701],[-56.795882,49.812309],[-56.143105,50.150117],[-55.471492,49.935815],[-55.822401,49.587129],[-54.935143,49.313011],[-54.473775,49.556691],[-53.476549,49.249139],[-53.786014,48.516781],[-53.086134,48.687804],[-52.958648,48.157164],[-52.648099,47.535548],[-53.069158,46.655499],[-53.521456,46.618292],[-54.178936,46.807066],[-53.961869,47.625207],[-54.240482,47.752279],[-55.400773,46.884994],[-55.997481,46.91972],[-55.291219,47.389562],[-56.250799,47.632545],[-57.325229,47.572807],[-59.266015,47.603348],[-59.419494,47.899454],[-58.796586,48.251525],[-59.231625,48.523188],[-58.391805,49.125581],[-57.35869,50.718274],[-56.73865,51.287438],[-55.870977,51.632094],[-55.406974,51.588273],[-55.600218,51.317075],[-56.134036,50.68701]];
$CA5 = [[-132.710008,54.040009],[-131.74999,54.120004],[-132.04948,52.984621],[-131.179043,52.180433],[-131.57783,52.182371],[-132.180428,52.639707],[-132.549992,53.100015],[-133.054611,53.411469],[-133.239664,53.85108],[-133.180004,54.169975],[-132.710008,54.040009]];
$CA6 = [[-79.26582,62.158675],[-79.65752,61.63308],[-80.09956,61.7181],[-80.36215,62.01649],[-80.315395,62.085565],[-79.92939,62.3856],[-79.52002,62.36371],[-79.26582,62.158675]];
$CA7 = [[-81.89825,62.7108],[-83.06857,62.15922],[-83.77462,62.18231],[-83.99367,62.4528],[-83.25048,62.91409],[-81.87699,62.90458],[-81.89825,62.7108]];
$CA8 = [[-85.161308,65.657285],[-84.975764,65.217518],[-84.464012,65.371772],[-83.882626,65.109618],[-82.787577,64.766693],[-81.642014,64.455136],[-81.55344,63.979609],[-80.817361,64.057486],[-80.103451,63.725981],[-80.99102,63.411246],[-82.547178,63.651722],[-83.108798,64.101876],[-84.100417,63.569712],[-85.523405,63.052379],[-85.866769,63.637253],[-87.221983,63.541238],[-86.35276,64.035833],[-86.224886,64.822917],[-85.883848,65.738778],[-85.161308,65.657285]];
$CA9 = [[-75.86588,67.14886],[-76.98687,67.09873],[-77.2364,67.58809],[-76.81166,68.14856],[-75.89521,68.28721],[-75.1145,68.01036],[-75.10333,67.58202],[-75.21597,67.44425],[-75.86588,67.14886]];
$CA10 = [[-95.647681,69.10769],[-96.269521,68.75704],[-97.617401,69.06003],[-98.431801,68.9507],[-99.797401,69.40003],[-98.917401,69.71003],[-98.218261,70.14354],[-97.157401,69.86003],[-96.557401,69.68003],[-96.257401,69.49003],[-95.647681,69.10769]];
$CA11 = [[-90.5471,69.49766],[-90.55151,68.47499],[-89.21515,69.25873],[-88.01966,68.61508],[-88.31749,67.87338],[-87.35017,67.19872],[-86.30607,67.92146],[-85.57664,68.78456],[-85.52197,69.88211],[-84.10081,69.80539],[-82.62258,69.65826],[-81.28043,69.16202],[-81.2202,68.66567],[-81.96436,68.13253],[-81.25928,67.59716],[-81.38653,67.11078],[-83.34456,66.41154],[-84.73542,66.2573],[-85.76943,66.55833],[-86.0676,66.05625],[-87.03143,65.21297],[-87.32324,64.77563],[-88.48296,64.09897],[-89.91444,64.03273],[-90.70398,63.61017],[-90.77004,62.96021],[-91.93342,62.83508],[-93.15698,62.02469],[-94.24153,60.89865],[-94.62931,60.11021],[-94.6846,58.94882],[-93.21502,58.78212],[-92.76462,57.84571],[-92.29703,57.08709],[-90.89769,57.28468],[-89.03953,56.85172],[-88.03978,56.47162],[-87.32421,55.99914],[-86.07121,55.72383],[-85.01181,55.3026],[-83.36055,55.24489],[-82.27285,55.14832],[-82.4362,54.28227],[-82.12502,53.27703],[-81.40075,52.15788],[-79.91289,51.20842],[-79.14301,51.53393],[-78.60191,52.56208],[-79.12421,54.14145],[-79.82958,54.66772],[-78.22874,55.13645],[-77.0956,55.83741],[-76.54137,56.53423],[-76.62319,57.20263],[-77.30226,58.05209],[-78.51688,58.80458],[-77.33676,59.85261],[-77.77272,60.75788],[-78.10687,62.31964],[-77.41067,62.55053],[-75.69621,62.2784],[-74.6682,62.18111],[-73.83988,62.4438],[-72.90853,62.10507],[-71.67708,61.52535],[-71.37369,61.13717],[-69.59042,61.06141],[-69.62033,60.22125],[-69.2879,58.95736],[-68.37455,58.80106],[-67.64976,58.21206],[-66.20178,58.76731],[-65.24517,59.87071],[-64.58352,60.33558],[-63.80475,59.4426],[-62.50236,58.16708],[-61.39655,56.96745],[-61.79866,56.33945],[-60.46853,55.77548],[-59.56962,55.20407],[-57.97508,54.94549],[-57.3332,54.6265],[-56.93689,53.78032],[-56.15811,53.64749],[-55.75632,53.27036],[-55.68338,52.14664],[-56.40916,51.7707],[-57.12691,51.41972],[-58.77482,51.0643],[-60.03309,50.24277],[-61.72366,50.08046],[-63.86251,50.29099],[-65.36331,50.2982],[-66.39905,50.22897],[-67.23631,49.51156],[-68.51114,49.06836],[-69.95362,47.74488],[-71.10458,46.82171],[-70.25522,46.98606],[-68.65,48.3],[-66.55243,49.1331],[-65.05626,49.23278],[-64.17099,48.74248],[-65.11545,48.07085],[-64.79854,46.99297],[-64.47219,46.23849],[-63.17329,45.73902],[-61.52072,45.88377],[-60.51815,47.00793],[-60.4486,46.28264],[-59.80287,45.9204],[-61.03988,45.26525],[-63.25471,44.67014],[-64.24656,44.26553],[-65.36406,43.54523],[-66.1234,43.61867],[-66.16173,44.46512],[-64.42549,45.29204],[-66.02605,45.25931],[-67.13741,45.13753],[-67.79134,45.70281],[-67.79046,47.06636],[-68.23444,47.35486],[-68.905,47.185],[-69.237216,47.447781],[-69.99997,46.69307],[-70.305,45.915],[-70.66,45.46],[-71.08482,45.30524],[-71.405,45.255],[-71.50506,45.0082],[-73.34783,45.00738],[-74.867,45.00048],[-75.31821,44.81645],[-76.375,44.09631],[-76.5,44.018459],[-76.820034,43.628784],[-77.737885,43.629056],[-78.72028,43.625089],[-79.171674,43.466339],[-79.01,43.27],[-78.92,42.965],[-78.939362,42.863611],[-80.247448,42.3662],[-81.277747,42.209026],[-82.439278,41.675105],[-82.690089,41.675105],[-83.02981,41.832796],[-83.142,41.975681],[-83.12,42.08],[-82.9,42.43],[-82.43,42.98],[-82.137642,43.571088],[-82.337763,44.44],[-82.550925,45.347517],[-83.592851,45.816894],[-83.469551,45.994686],[-83.616131,46.116927],[-83.890765,46.116927],[-84.091851,46.275419],[-84.14212,46.512226],[-84.3367,46.40877],[-84.6049,46.4396],[-84.543749,46.538684],[-84.779238,46.637102],[-84.87608,46.900083],[-85.652363,47.220219],[-86.461991,47.553338],[-87.439793,47.94],[-88.378114,48.302918],[-89.272917,48.019808],[-89.6,48.01],[-90.83,48.27],[-91.64,48.14],[-92.61,48.45],[-93.63087,48.60926],[-94.32914,48.67074],[-94.64,48.84],[-94.81758,49.38905],[-95.15609,49.38425],[-95.15907,49],[-97.22872,49.0007],[-100.65,49],[-104.04826,48.99986],[-107.05,49],[-110.05,49],[-113,49],[-116.04818,49],[-117.03121,49],[-120,49],[-122.84,49],[-122.97421,49.002538],[-124.91024,49.98456],[-125.62461,50.41656],[-127.43561,50.83061],[-127.99276,51.71583],[-127.85032,52.32961],[-129.12979,52.75538],[-129.30523,53.56159],[-130.51497,54.28757],[-130.53611,54.80278],[-129.98,55.285],[-130.00778,55.91583],[-131.70781,56.55212],[-132.73042,57.69289],[-133.35556,58.41028],[-134.27111,58.86111],[-134.945,59.27056],[-135.47583,59.78778],[-136.47972,59.46389],[-137.4525,58.905],[-138.34089,59.56211],[-139.039,60],[-140.013,60.27682],[-140.99778,60.30639],[-140.9925,66.00003],[-140.986,69.712],[-139.12052,69.47102],[-137.54636,68.99002],[-136.50358,68.89804],[-135.62576,69.31512],[-134.41464,69.62743],[-132.92925,69.50534],[-131.43136,69.94451],[-129.79471,70.19369],[-129.10773,69.77927],[-128.36156,70.01286],[-128.13817,70.48384],[-127.44712,70.37721],[-125.75632,69.48058],[-124.42483,70.1584],[-124.28968,69.39969],[-123.06108,69.56372],[-122.6835,69.85553],[-121.47226,69.79778],[-119.94288,69.37786],[-117.60268,69.01128],[-116.22643,68.84151],[-115.2469,68.90591],[-113.89794,68.3989],[-115.30489,67.90261],[-113.49727,67.68815],[-110.798,67.80612],[-109.94619,67.98104],[-108.8802,67.38144],[-107.79239,67.88736],[-108.81299,68.31164],[-108.16721,68.65392],[-106.95,68.7],[-106.15,68.8],[-105.34282,68.56122],[-104.33791,68.018],[-103.22115,68.09775],[-101.45433,67.64689],[-99.90195,67.80566],[-98.4432,67.78165],[-98.5586,68.40394],[-97.66948,68.57864],[-96.11991,68.23939],[-96.12588,67.29338],[-95.48943,68.0907],[-94.685,68.06383],[-94.23282,69.06903],[-95.30408,69.68571],[-96.47131,70.08976],[-96.39115,71.19482],[-95.2088,71.92053],[-93.88997,71.76015],[-92.87818,71.31869],[-91.51964,70.19129],[-92.40692,69.69997],[-90.5471,69.49766]];
$CA12 = [[-114.16717,73.12145],[-114.66634,72.65277],[-112.44102,72.9554],[-111.05039,72.4504],[-109.92035,72.96113],[-109.00654,72.63335],[-108.18835,71.65089],[-107.68599,72.06548],[-108.39639,73.08953],[-107.51645,73.23598],[-106.52259,73.07601],[-105.40246,72.67259],[-104.77484,71.6984],[-104.46476,70.99297],[-102.78537,70.49776],[-100.98078,70.02432],[-101.08929,69.58447],[-102.73116,69.50402],[-102.09329,69.11962],[-102.43024,68.75282],[-104.24,68.91],[-105.96,69.18],[-107.12254,69.11922],[-109,68.78],[-111.534149,68.630059],[-113.3132,68.53554],[-113.85496,69.00744],[-115.22,69.28],[-116.10794,69.16821],[-117.34,69.96],[-116.67473,70.06655],[-115.13112,70.2373],[-113.72141,70.19237],[-112.4161,70.36638],[-114.35,70.6],[-116.48684,70.52045],[-117.9048,70.54056],[-118.43238,70.9092],[-116.11311,71.30918],[-117.65568,71.2952],[-119.40199,71.55859],[-118.56267,72.30785],[-117.86642,72.70594],[-115.18909,73.31459],[-114.16717,73.12145]];
$CA13 = [[-104.5,73.42],[-105.38,72.76],[-106.94,73.46],[-106.6,73.6],[-105.26,73.64],[-104.5,73.42]];
$CA14 = [[-76.34,73.102685],[-76.251404,72.826385],[-77.314438,72.855545],[-78.39167,72.876656],[-79.486252,72.742203],[-79.775833,72.802902],[-80.876099,73.333183],[-80.833885,73.693184],[-80.353058,73.75972],[-78.064438,73.651932],[-76.34,73.102685]];
$CA15 = [[-86.562179,73.157447],[-85.774371,72.534126],[-84.850112,73.340278],[-82.31559,73.750951],[-80.600088,72.716544],[-80.748942,72.061907],[-78.770639,72.352173],[-77.824624,72.749617],[-75.605845,72.243678],[-74.228616,71.767144],[-74.099141,71.33084],[-72.242226,71.556925],[-71.200015,70.920013],[-68.786054,70.525024],[-67.91497,70.121948],[-66.969033,69.186087],[-68.805123,68.720198],[-66.449866,68.067163],[-64.862314,67.847539],[-63.424934,66.928473],[-61.851981,66.862121],[-62.163177,66.160251],[-63.918444,64.998669],[-65.14886,65.426033],[-66.721219,66.388041],[-68.015016,66.262726],[-68.141287,65.689789],[-67.089646,65.108455],[-65.73208,64.648406],[-65.320168,64.382737],[-64.669406,63.392927],[-65.013804,62.674185],[-66.275045,62.945099],[-68.783186,63.74567],[-67.369681,62.883966],[-66.328297,62.280075],[-66.165568,61.930897],[-68.877367,62.330149],[-71.023437,62.910708],[-72.235379,63.397836],[-71.886278,63.679989],[-73.378306,64.193963],[-74.834419,64.679076],[-74.818503,64.389093],[-77.70998,64.229542],[-78.555949,64.572906],[-77.897281,65.309192],[-76.018274,65.326969],[-73.959795,65.454765],[-74.293883,65.811771],[-73.944912,66.310578],[-72.651167,67.284576],[-72.92606,67.726926],[-73.311618,68.069437],[-74.843307,68.554627],[-76.869101,68.894736],[-76.228649,69.147769],[-77.28737,69.76954],[-78.168634,69.826488],[-78.957242,70.16688],[-79.492455,69.871808],[-81.305471,69.743185],[-84.944706,69.966634],[-87.060003,70.260001],[-88.681713,70.410741],[-89.51342,70.762038],[-88.467721,71.218186],[-89.888151,71.222552],[-90.20516,72.235074],[-89.436577,73.129464],[-88.408242,73.537889],[-85.826151,73.803816],[-86.562179,73.157447]];
$CA16 = [[-100.35642,73.84389],[-99.16387,73.63339],[-97.38,73.76],[-97.12,73.47],[-98.05359,72.99052],[-96.54,72.56],[-96.72,71.66],[-98.35966,71.27285],[-99.32286,71.35639],[-100.01482,71.73827],[-102.5,72.51],[-102.48,72.83],[-100.43836,72.70588],[-101.54,73.36],[-100.35642,73.84389]];
$CA17 = [[-93.196296,72.771992],[-94.269047,72.024596],[-95.409856,72.061881],[-96.033745,72.940277],[-96.018268,73.43743],[-95.495793,73.862417],[-94.503658,74.134907],[-92.420012,74.100025],[-90.509793,73.856732],[-92.003965,72.966244],[-93.196296,72.771992]];
$CA18 = [[-120.46,71.383602],[-123.09219,70.90164],[-123.62,71.34],[-125.928949,71.868688],[-125.5,72.292261],[-124.80729,73.02256],[-123.94,73.68],[-124.91775,74.29275],[-121.53788,74.44893],[-120.10978,74.24135],[-117.55564,74.18577],[-116.58442,73.89607],[-115.51081,73.47519],[-116.76794,73.22292],[-119.22,72.52],[-120.46,71.82],[-120.46,71.383602]];
$CA19 = [[-93.612756,74.979997],[-94.156909,74.592347],[-95.608681,74.666864],[-96.820932,74.927623],[-96.288587,75.377828],[-94.85082,75.647218],[-93.977747,75.29649],[-93.612756,74.979997]];
$CA20 = [[-98.5,76.72],[-97.735585,76.25656],[-97.704415,75.74344],[-98.16,75],[-99.80874,74.89744],[-100.88366,75.05736],[-100.86292,75.64075],[-102.50209,75.5638],[-102.56552,76.3366],[-101.48973,76.30537],[-99.98349,76.64634],[-98.57699,76.58859],[-98.5,76.72]];
$CA21 = [[-108.21141,76.20168],[-107.81943,75.84552],[-106.92893,76.01282],[-105.881,75.9694],[-105.70498,75.47951],[-106.31347,75.00527],[-109.7,74.85],[-112.22307,74.41696],[-113.74381,74.39427],[-113.87135,74.72029],[-111.79421,75.1625],[-116.31221,75.04343],[-117.7104,75.2222],[-116.34602,76.19903],[-115.40487,76.47887],[-112.59056,76.14134],[-110.81422,75.54919],[-109.0671,75.47321],[-110.49726,76.42982],[-109.5811,76.79417],[-108.54859,76.67832],[-108.21141,76.20168]];
$CA22 = [[-94.684086,77.097878],[-93.573921,76.776296],[-91.605023,76.778518],[-90.741846,76.449597],[-90.969661,76.074013],[-89.822238,75.847774],[-89.187083,75.610166],[-87.838276,75.566189],[-86.379192,75.482421],[-84.789625,75.699204],[-82.753445,75.784315],[-81.128531,75.713983],[-80.057511,75.336849],[-79.833933,74.923127],[-80.457771,74.657304],[-81.948843,74.442459],[-83.228894,74.564028],[-86.097452,74.410032],[-88.15035,74.392307],[-89.764722,74.515555],[-92.422441,74.837758],[-92.768285,75.38682],[-92.889906,75.882655],[-93.893824,76.319244],[-95.962457,76.441381],[-97.121379,76.751078],[-96.745123,77.161389],[-94.684086,77.097878]];
$CA23 = [[-116.198587,77.645287],[-116.335813,76.876962],[-117.106051,76.530032],[-118.040412,76.481172],[-119.899318,76.053213],[-121.499995,75.900019],[-122.854924,76.116543],[-122.854925,76.116543],[-121.157535,76.864508],[-119.103939,77.51222],[-117.570131,77.498319],[-116.198587,77.645287]];
$CA24 = [[-93.840003,77.519997],[-94.295608,77.491343],[-96.169654,77.555111],[-96.436304,77.834629],[-94.422577,77.820005],[-93.720656,77.634331],[-93.840003,77.519997]];
$CA25 = [[-110.186938,77.697015],[-112.051191,77.409229],[-113.534279,77.732207],[-112.724587,78.05105],[-111.264443,78.152956],[-109.854452,77.996325],[-110.186938,77.697015]];
$CA26 = [[-109.663146,78.601973],[-110.881314,78.40692],[-112.542091,78.407902],[-112.525891,78.550555],[-111.50001,78.849994],[-110.963661,78.804441],[-109.663146,78.601973]];
$CA27 = [[-95.830295,78.056941],[-97.309843,77.850597],[-98.124289,78.082857],[-98.552868,78.458105],[-98.631984,78.87193],[-97.337231,78.831984],[-96.754399,78.765813],[-95.559278,78.418315],[-95.830295,78.056941]];
$CA28 = [[-100.060192,78.324754],[-99.670939,77.907545],[-101.30394,78.018985],[-102.949809,78.343229],[-105.176133,78.380332],[-104.210429,78.67742],[-105.41958,78.918336],[-105.492289,79.301594],[-103.529282,79.165349],[-100.825158,78.800462],[-100.060192,78.324754]];
$CA29 = [[-87.02,79.66],[-85.81435,79.3369],[-87.18756,79.0393],[-89.03535,78.28723],[-90.80436,78.21533],[-92.87669,78.34333],[-93.95116,78.75099],[-93.93574,79.11373],[-93.14524,79.3801],[-94.974,79.37248],[-96.07614,79.70502],[-96.70972,80.15777],[-96.01644,80.60233],[-95.32345,80.90729],[-94.29843,80.97727],[-94.73542,81.20646],[-92.40984,81.25739],[-91.13289,80.72345],[-89.45,80.509322],[-87.81,80.32],[-87.02,79.66]];
$CA30 = [[-68.5,83.106322],[-65.82735,83.02801],[-63.68,82.9],[-61.85,82.6286],[-61.89388,82.36165],[-64.334,81.92775],[-66.75342,81.72527],[-67.65755,81.50141],[-65.48031,81.50657],[-67.84,80.9],[-69.4697,80.61683],[-71.18,79.8],[-73.2428,79.63415],[-73.88,79.430162],[-76.90773,79.32309],[-75.52924,79.19766],[-76.22046,79.01907],[-75.39345,78.52581],[-76.34354,78.18296],[-77.88851,77.89991],[-78.36269,77.50859],[-79.75951,77.20968],[-79.61965,76.98336],[-77.91089,77.022045],[-77.88911,76.777955],[-80.56125,76.17812],[-83.17439,76.45403],[-86.11184,76.29901],[-87.6,76.42],[-89.49068,76.47239],[-89.6161,76.95213],[-87.76739,77.17833],[-88.26,77.9],[-87.65,77.970222],[-84.97634,77.53873],[-86.34,78.18],[-87.96192,78.37181],[-87.15198,78.75867],[-85.37868,78.9969],[-85.09495,79.34543],[-86.50734,79.73624],[-86.93179,80.25145],[-84.19844,80.20836],[-83.408696,80.1],[-81.84823,80.46442],[-84.1,80.58],[-87.59895,80.51627],[-89.36663,80.85569],[-90.2,81.26],[-91.36786,81.5531],[-91.58702,81.89429],[-90.1,82.085],[-88.93227,82.11751],[-86.97024,82.27961],[-85.5,82.652273],[-84.260005,82.6],[-83.18,82.32],[-82.42,82.86],[-81.1,83.02],[-79.30664,83.13056],[-76.25,83.172059],[-75.71878,83.06404],[-72.83153,83.23324],[-70.665765,83.169781],[-68.5,83.106322]];
$CA = [$CA1, $CA2, $CA3, $CA4, $CA5, $CA6, $CA7, $CA8, $CA9, $CA10, $CA11, $CA12, $CA13, $CA14, $CA15, $CA16, $CA17, $CA18, $CA19, $CA20, $CA21, $CA22, $CA23, $CA24, $CA25, $CA26, $CA27, $CA28, $CA29, $CA30];


$point_in = [43.682716, -79.390027];          //summerhill subwway
$point_out = [37.427572, -122.169408];        //Stanford University


geoIndentify($point_in, $CA);