DATEVALUE

02:34:34 Converts a date in the form of text to a serial number.
02:34:34 Warning: The PhpSpreadsheet DATEVALUE() function accepts a wider range of date formats than MS Excel DATEFORMAT() function.
02:34:34 Date String: 26 March 2012
02:34:34 Formula: =DATEVALUE(A1)
02:34:34 Excel DateStamp: 40994
02:34:34 Formatted DateStamp2012-Mar-26
02:34:34
02:34:34 Date String: 29 Feb 2012
02:34:34 Formula: =DATEVALUE(A2)
02:34:34 Excel DateStamp: 40968
02:34:34 Formatted DateStamp2012-Feb-29
02:34:34
02:34:34 Date String: April 1, 2012
02:34:34 Formula: =DATEVALUE(A3)
02:34:34 Excel DateStamp: 41000
02:34:34 Formatted DateStamp2012-Apr-01
02:34:34
02:34:34 Date String: 25/12/2012
02:34:34 Formula: =DATEVALUE(A4)
02:34:34 Excel DateStamp: 41268
02:34:34 Formatted DateStamp2012-Dec-25
02:34:34
02:34:34 Date String: 2012-Oct-31
02:34:34 Formula: =DATEVALUE(A5)
02:34:34 Excel DateStamp: 41213
02:34:34 Formatted DateStamp2012-Oct-31
02:34:34
02:34:34 Date String: 5th November
02:34:34 Formula: =DATEVALUE(A6)