27 lines
973 B
PHP
27 lines
973 B
PHP
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<?php
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$c_id = $_REQUEST['c_id'];
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$d = $_REQUEST['date'];
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if (!$c_id || !$d) {echo '-1'; return;}
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global $timedate;
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$d = explode('-',reset(explode(" ",$timedate->to_db($d))));
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$date = date("Y-m-d",@mktime(0,0,0,$d[1],$d[2],$d[0])+3600*24);
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//what day is it?
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$dn = $GLOBALS['db']->fetchByAssoc($GLOBALS['db']->query("SELECT DAYNAME('$date') as dayname"));
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if ($dn['dayname'] == 'Sunday') //- 2 days
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$q = "SELECT value FROM currency_nbp_archive WHERE currency_id='$c_id' AND date = DATE_ADD('$date', INTERVAL -2 DAY)";
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elseif ($dn['dayname'] == 'Saturday') //- 1 day
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$q = "SELECT value FROM currency_nbp_archive WHERE currency_id='$c_id' AND date = DATE_ADD('$date', INTERVAL -1 DAY)";
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else //any other day - just get exchange
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$q = "SELECT value FROM currency_nbp_archive WHERE currency_id='$c_id' AND date='$date'";
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$w = $GLOBALS['db']->fetchByAssoc($GLOBALS['db']->query($q));
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echo $w['value']; return;
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?>
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