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php_postgres

PHP IN HTML


<html>
<head></head>
<body>
  <h1>
  <?php echo "THE HORROR!"; ?>
  </h1>
</body>
</html>



FETCHING GEOMETRY BY INDEX IN A PHP

<html>
  <head>
  </head>

  <body>

  <?php

  $dbconn = pg_connect("host=127.0.0.1 dbname=bentonpg user=postgres password=password")
   or die('Could not connect: ' . pg_last_error());

  // Performing SQL query
  $GEOMCOL = 'geom';  //the geometery (column ?)
  $GEOMTAB = 'gtest'; //the name of the postgis table
  $ID_TABLE = 'id';   //the name of the index field
  $INDEX_TO_GET = 1;
  
  //$query = 'SELECT * FROM '. $GEOMCOL;

  //$query = 'SELECT ST_asText(' . $GEOMCOL  . '.the_geom) AS the_WKT_Output FROM codata.taxprj WHERE ' . $GEOMCOL  . '.taxlots_fe = 1';
  $query = 'SELECT ST_asText(' . $GEOMCOL  . ') FROM '.$GEOMTAB.' WHERE '.$ID_TABLE.' = '.$INDEX_TO_GET.' ;';
  $result = pg_query($query) or die('Query failed: ' . pg_last_error());
  $arr = pg_fetch_array($result, 0, PGSQL_NUM);

  print"\n";
  echo $arr[0] ;//."in php______";
  print"\n";

  // Free resultset
  pg_free_result($result);

  // Closing connection
  pg_close($dbconn);

  //<!-- pt language="javascript" type="text/javascript">
  //     var WKTstring = "poly in JS is \"<Xphp echo($arr[0]);?>\"";
  //     document.write(WKTstring);
  //</scr -->

 ?>

  </body>
</html>


PGQUERY

<?php

$conn  = pg_connect("host=127.0.0.1 dbname=bentonpg user=postgres password=password") ;
if (!$conn) {
  echo "An error occured.\n";
  exit;
}

$result = pg_query($conn, "SELECT id, character FROM characters");
if (!$result) {
  echo "An error occured.\n";
  exit;
}

while ($row = pg_fetch_row($result)) {
  echo "Author: $row[0]  E-mail: $row[1]";
  echo "<br />\n";
}

?>

INTERACTING WITH DATABASES VIA PGCONNECT


<?php
// Connecting, selecting database
$dbconn = pg_connect("host=127.0.0.1 dbname=bentonpg user=postgres password=password")
    or die('Could not connect: ' . pg_last_error());


// Performing SQL query
$query = 'SELECT * FROM cartoons';
$result = pg_query($query) or die('Query failed: ' . pg_last_error());


// Printing results in HTML
echo "<table>\n";
while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
    echo "\t<tr>\n";
    foreach ($line as $col_value) {
        echo "\t\t<td>$col_value</td>\n";
        print $col_value;
    }
    echo "\t</tr>\n";
}
echo "</table>\n";

// Free resultset
pg_free_result($result);

// Closing connection
pg_close($dbconn);
?>


UNTESTED

$connection = mysql_connect($server,$uzivatel,$heslo) or die ("Spojení k databázi se nezdařilo.");
$database = mysql_select_db("rybydb");
$vypis_bodu = mysql_query("SELECT * FROM bod WHERE id_ul LIKE '$bodka'");
$x_s = MySQL_Result($vypis_bodu, 0,"x_sour");
$y_s = MySQL_Result($vypis_bodu, 0,"y_sour");
$pointobj = ms_newPointObj();
$pointobj->setXY($x_s,$y_s);
$lineobj = ms_newLineObj();
$lineobj->add($pointobj);
$pointobj->free();
$shapeobj = ms_newShapeObj(MS_SHAPE_POINT);
$shapeobj->add($lineobj);
$lineobj->free();
$layerobj = ms_newLayerObj($map);
$layerobj->set('type',MS_LAYER_POINT);
$layerobj->set('status',MS_ON);
$layerobj->addFeature($shapeobj);
$classobj = ms_newClassObj($layerobj);
$classobj->set('symbol',1);
$classobj->set('size',20);
$newColor = $map->addColor(255,0,0);
$classobj->set("color", $newColor);

Thanks for your answer but i was looking for this.


function createPoint( $x1, $y2, $programId, $radius)
   {
      GLOBAL $shpFile, $dbfFile;


      // Create shape
      $oShp = ms_newShapeObj(MS_SHAPE_POLYGON);
      $oLine = ms_newLineObj();
      $pointObj = ms_newPointObj();
      for ($i = 0; $i <= 360; $i = $i + 10)
      {
       $x = $x1 + (cos($i * (22 / 7) / 180) * $radius);
       $y = $y2 - (sin($i * (22 / 7) / 180) * $radius);
       $pointObj->setXY($x, $y);
       $oLine->add($pointObj);
      }

      $oShp->add($oLine);
      $shpFile->addShape($oShp);
      // Write attribute record
      dbase_add_record($dbfFile, array($programId));
   }

   $shpFname = "/var/www/html/atmsv03/testpol";
   $shpFile = ms_newShapeFileObj($shpFname, MS_SHP_POLYGON);
   $dbfFile = dbase_create( $shpFname.".dbf", array(array("ID", "N", 5,
0)));

// geopoint1 and 2 and 100 is the radius
createPoint($punt[0], $punt[1], 1, 100);

   $shpFile->free();
   dbase_close($dbfFile);

   // Set the buffer distance
   $pt_layer = $map->getLayerByName("polygon");
   $pt_layer->set("status", MS_ON);
   $pt_layer->set("transparency", 50);
   $pt_class = $pt_layer->getclass(0);

MAP FILE

LAYER
  NAME "polygon"
  TYPE POLYGON
  STATUS OFF
  DATA testpol
  CLASS
    NAME 'Europa'
    COLOR 255 0 0
    OUTLINECOLOR 0 0 0
  END
END # layer 


here is a sample piece of code in PHP with mapscript module wich extract
X,Y from a postgresql table and create a shapefile on the fly. comments
are in french, sorry.

// On ouvre un shapefile unique de points
$shapetempname="tmp/tmp".time();
$shapefile_temp=ms_newShapefileObj("../data/$shapetempname",
MS_SHP_POINT);

//création d'un fichier dbase
// son nom
$dbname="../data/$shapetempname".".dbf";
// sa structure
$def= array(array("nom", "C", 20),array("uai_cdn", "N", 15, 0));
// création proprement dite de sa structure
$dbid=dbase_create("$dbname",
$def);dbase_pack($dbid);dbase_close($dbid);
// réouverture du fichier en rw
$dbidrw=dbase_open("$dbname", 2);

//connection à la B2D et extraction des X,Y
$conn = pg_connect("dbname=database host=localhost user=username
password='pass' port=5432 ");
$Query="select id,nom,e as x ,n as y from communes_pers LIMIT 150";
$Res = pg_exec ($conn, $Query);
$iNbr = pg_numrows($Res);
for ($i = 0; $i < $iNbr; $i++) {
	$Lign = pg_fetch_array($Res, $i); 
	$pointobj = ms_newPointObj();
	$pointobj->setXY($Lign["x"],$Lign["y"],1);
	$shapefile_temp->addPoint($pointobj);
	$pointobj->free();
	$valuedbf=array($Lign["nom"],$Lign["id"]);
	$test=dbase_add_record($dbidrw, $valuedbf);
}
dbase_pack($dbidrw);
dbase_close($dbidrw);
// On écrit le shapefile
$shapefile_temp->free();

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