Description:
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I use PHP Version 5.3.5 but it seems to be not solved in newer Versions

It only happends with the number or string 1900 and only if the execute command from the adodb connection was performed.
I gues i also happens with other numbers.

Test script:
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$ADODB = new COM( 'ADODB.Connection' );
$ADODB->open($strConn);                      #connection to a MS-Access Database

$RS = $ADODB->execute("SELECT Lagerwert FROM tblStammdaten WHERE tblStammdaten.Seriennummer='74925KR9';");
echo $RS->Fields(0)->Value . "<br>";
$x = sprintf("%f",$RS->Fields(0)->Value);
echo $x;


Expected result:
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1900
1900.000000

Actual result:
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1900
18:0.000000