fitlogfunc.php

<?php
function swimpace( $time, $distance )
{
     //$time_sec = convert_time_seconds( $time );
     // Return swim pace
     return round( ( convert_seconds_minutes( $time ) / ($distance / 100 ) ), 2 );
}

function bikepace( $time, $distance )
{
     //$time_sec = convert_time_seconds( $time );
     // Return bike pace
     return round( ( ($distance / ( ( convert_seconds_minutes( $time ) ) / 60)) ), 2 );
}

function runpace( $time, $distance )
{
     //$time_sec = convert_time_seconds( $time );
     // Return run pace
     return round( ( ( convert_seconds_minutes( $time ) / $distance) ), 2 );
}

function convert_time_seconds( $time )
{
	$seconds = explode( ":", $time );

	// return the total in seconds
	return ( ( $seconds[0] * 3600) + ( $seconds[1] * 60 ) + ( $seconds[2] ) );
}

function format_time( $total )
{
	// Convert total from seconds to full time again
	$_total_time["hrs"] = floor(($total / 3600));
	$_total_time["mins"] = floor(($total - ($_total_time["hrs"] * 3600)) / 60);
	$_total_time["secs"] = floor(($total - ($_total_time["hrs"] * 3600) - ($_total_time["mins"] * 60)));

	// Prefix with 0s where necessary
	if (strlen($_total_time["hrs"]) == 1) 
	  $_total_time["hrs"] = "0" . $_total_time["hrs"];
	if (strlen($_total_time["mins"]) == 1)
	  $_total_time["mins"] = "0" . $_total_time["mins"];
	if (strlen($_total_time["secs"]) == 1)
	  $_total_time["secs"] = "0" . $_total_time["secs"];

	// Format total time
	$total_time = $_total_time["hrs"] . ":" . $_total_time["mins"] . ":" . $_total_time["secs"];

	return ( $total_time );
}

function format_date( $old_date )
{
	$date_array = explode( "-", $old_date);

	$year = $date_array[0];
	$month = $date_array[1];
	$day = $date_array[2];

	// create an integer "date" for use with the date() php function.
	$new_date = mktime( 0, 0, 0, $month, $day, $year );

	return ( $new_date );
}

function convert_seconds_minutes( $seconds )
{
	$_seconds = floatval( $seconds );
	$minutes = $_seconds / 60;

	return $minutes;
}

function get_prevMonth( $month )
{
	// Return the numerical version of the previous month
	return (intval($month) - 1);
}

function get_nextMonth( $month )
{
	// Return the numerical version of the next month
	return (intval($month) + 1);
}

function validate_email( $emailaddy )
{
	// Check syntax
	$validEmailExpr = "^[0-9a-z~!#$%&_-]([.]?[0-9a-z~!#$%&_-])*" .
			  "@[0-9a-z~!#$%&_-]([.]?[0-9a-z~!#$%&_-])*$";

	// Validate the email
	if( empty( $emailaddy ) )
	{
		echo "The email field can not be blank.";
		return false;
	}
	elseif ( !eregi( $validEmailExpr, $emailaddy ) )
	{
		echo "The email must be in the name@domain format.";
		return false;
	}
	elseif ( strlen( $emailaddy ) > 50 )
	{
		echo "The email address can not exceed 50 characters.";
		return false;
	}
	elseif ( function_exists("getmxrr") && function_exists("gethostbyname") )
	{
		// Extract the domain of the email address
		$maildomain = substr( strstr($emailaddy, '@'), 1 );

		if( !( getmxrr( $maildomain, $temp) ||
			gethostbyname( $maildomain ) != $maildomain ) )
		{
			echo "The domain does not appear to exist.";
			return false;
		}
	}

	// If we get here, we assume the email address is correct.
	return true;
}

function getUserID( $connection )
{
	//See if there is a logged in users and if so, retrieve it's user_id
	session_start();

	$query = "SELECT user_id FROM users WHERE user_name='{$_SESSION["loggedinUserName"]}'";

	$result = @ mysql_query( $query, $connection );

	//If we only have one row then we are in good shape.
	if( mysql_num_rows( $result ) != 1)
		return 0;
	else
	{
		$row = mysql_fetch_array( $result );
		return $row["user_id"];
	}

	//If we reach here, return zero for an error!
	return 0;
}

function getUserFirstName( $connection, $userID )
{
	// First let's grab the user's first name if they set it up in settings.
	$query = "SELECT FirstName from user_settings WHERE user_id=" . $userID;
	$result = @ mysql_query( $query );
	$row = mysql_fetch_array( $result );

	if( !$result )
		return FALSE;
	else
		return $row["FirstName"];
}

// Function used to print out information debugging messages to the screen.
function msgBox( $msg, $data )
{
	echo "<script type='text/javascript'>
	alert('$msg, variable= $data');
	</script>";
}
?>