DATEVALUE

18:43:54 Converts a date in the form of text to a serial number.
18:43:54 Warning: The PhpSpreadsheet DATEVALUE() function accepts a wider range of date formats than MS Excel DATEFORMAT() function.
18:43:54 Date String: 26 March 2012
18:43:54 Formula: =DATEVALUE(A1)
18:43:54 Excel DateStamp: 40994
18:43:54 Formatted DateStamp2012-Mar-26
18:43:54
18:43:54 Date String: 29 Feb 2012
18:43:54 Formula: =DATEVALUE(A2)
18:43:54 Excel DateStamp: 40968
18:43:54 Formatted DateStamp2012-Feb-29
18:43:54
18:43:54 Date String: April 1, 2012
18:43:54 Formula: =DATEVALUE(A3)
18:43:54 Excel DateStamp: 41000
18:43:54 Formatted DateStamp2012-Apr-01
18:43:54
18:43:54 Date String: 25/12/2012
18:43:54 Formula: =DATEVALUE(A4)
18:43:54 Excel DateStamp: 41268
18:43:54 Formatted DateStamp2012-Dec-25
18:43:54
18:43:54 Date String: 2012-Oct-31
18:43:54 Formula: =DATEVALUE(A5)
18:43:54 Excel DateStamp: 41213
18:43:54 Formatted DateStamp2012-Oct-31
18:43:54
18:43:54 Date String: 5th November
18:43:54 Formula: =DATEVALUE(A6)