gistfile1.php

<?php
// .....
                elseif ( preg_match( '/(time|timestamp)/', $type ) )
                {
                    if ( preg_match( '/([0-2]?[0-9]\:[0-5][0-9])/', $value ) )
                    {
                        // if time entered is in the form of a simple string
                        // hh:mm
                        $timesplit = preg_split( '/\:/', $value );
                        
                        $hour = $timesplit[ 0 ];
                        $minute = $timesplit[ 1 ];
                        
                        if ( ( $hour > 0 && $hour < 24 ) && ( $minute > 0 && $minute < 60 ) )
                        {
                            $valid = true;                        
                        }
                        else
                        {
                            $this->_Error = 751;
                            $this->_ErrorText[] = 'Data at row ' . $i . 'col ' . $j . 'is not a valid time. ' . $this->_Error;
                        }
                    }
                    elseif ( preg_match( '/(0\.[0-9]+)/', $value ) )
                    {
                        // excel provides cells in time format as fraction of a day
                        // 1.00 = 24 hours
                        
                        $valid = true;
                        
                        $value *= 24;
                        
                        $timesplit = preg_split( '/\./', $value );
                        
                        $hour = $timesplit[ 0 ];
                        $minute = $timesplit[ 1 ];
                        
                        $minute = '.' . $minute;
                        $minute *= 60;
                        $minute = round( $minute );
                        
                        $value = $hour . ':' . $minute;
                    }
                    else
                    {
                        $this->_Error = 752;
                        $this->_ErrorText[] = 'Data at row ' . $i . 'col ' . $j . ' does not have the correct time format. ' . $this->_Error;
                    }
                }

//....