PHP calculates the difference between two dates

PHP calculates the difference between two dates

$ Date1 = date ('Y-m-D '); $ Date2 = "2015-12-04 "; $ Diff = abs (strtotime ($ date2)-strtotime ($ date1 )); $ Years = floor ($ diff/(365*60*60*24 )); $ Months = floor ($ diff-$ years * 365*60*60*24)/(30*60*60*24 )); $ Days = floor ($ diff-$ years * 365*60*60*24-$ months * 30*60*60*24) /(60*60*24 )); Printf ("% d years, % d months, % d days \ n", $ years, $ months, $ days ); -------------------------------------------------------- OR $ Date1 = new DateTime ("2007-03-24 "); $ Date2 = new DateTime ("2009-06-26 "); $ Interval = $ date1-> diff ($ date2 ); Echo "difference". $ interval-> y. "years,". $ interval-> m. "months,". $ interval-> d. "days "; // Shows the total amount of days (not pided into years, months and days like above) Echo "difference". $ interval-> days. "days "; -------------------------------------------------------- OR /** * Calculate differences between two dates with precise semantics. Based on PHPs DateTime: diff () * Implementation by Derick Rethans. Ported to PHP by e il H, 2011-05-02. No rights reserved. * * See here for original code: * Http://svn.php.net/viewvc/php/php-src/trunk/ext/date/lib/tm2unixtime.c? Revision = 302890 & view = markup * Http://svn.php.net/viewvc/php/php-src/trunk/ext/date/lib/interval.c? Revision = 298973 & view = markup */ Function _ date_range_limit ($ start, $ end, $ adj, $ a, $ B, $ result) { If ($ result [$ a] <$ start ){ $ Result [$ B]-= intval ($ start-$ result [$ a]-1)/$ adj) + 1; $ Result [$ a] + = $ adj * intval ($ start-$ result [$ a]-1)/$ adj + 1 ); } If ($ result [$ a] >=$ end ){ $ Result [$ B] + = intval ($ result [$ a]/$ adj ); $ Result [$ a]-= $ adj * intval ($ result [$ a]/$ adj ); } Return $ result; } Function _ date_range_limit_days ($ base, $ result) { $ Days_in_month_leap = array (31, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31 ); $ Days_in_month = array (31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31 ); _ Date_range_limit (1, 13, 12, "m", "y", & $ base ); $ Year = $ base ["y"]; $ Month = $ base ["m"]; If (! $ Result ["invert"]) { While ($ result ["d"] <0 ){ $ Month --; If ($ month <1 ){ $ Month + = 12; $ Year --; } $ Leapyear = $ year % 400 = 0 | ($ year % 100! = 0 & $ year % 4 = 0 ); $ Days = $ leapyear? $ Days_in_month_leap [$ month]: $ days_in_month [$ month]; $ Result ["d"] + = $ days; $ Result ["m"] --; } } Else { While ($ result ["d"] <0 ){ $ Leapyear = $ year % 400 = 0 | ($ year % 100! = 0 & $ year % 4 = 0 ); $ Days = $ leapyear? $ Days_in_month_leap [$ month]: $ days_in_month [$ month]; $ Result ["d"] + = $ days; $ Result ["m"] --; $ Month ++; If ($ month> 12 ){ $ Month-= 12; $ Year ++; } } } Return $ result; } Function _ date_normalize ($ base, $ result) { $ Result = _ date_range_limit (0, 60, 60, "s", "I", $ result ); $ Result = _ date_range_limit (0, 60, 60, "I", "h", $ result ); $ Result = _ date_range_limit (0, 24, 24, "h", "d", $ result ); $ Result = _ date_range_limit (0, 12, 12, "m", "y", $ result ); $ Result = _ date_range_limit_days (& $ base, & $ result ); $ Result = _ date_range_limit (0, 12, 12, "m", "y", $ result ); Return $ result; } /** * Accepts two unix timestamps. */ Function _ date_diff ($ one, $ two) { $ Invert = false; If ($ one> $ two ){ List ($ one, $ two) = array ($ two, $ one ); $ Invert = true; } $ Key = array ("y", "m", "d", "h", "I", "s "); $ A = array_combine ($ key, array_map ("intval", explode ("", date ("Y m d H I s", $ one )))); $ B = array_combine ($ key, array_map ("intval", explode ("", date ("Y m d H I s", $ two )))); $ Result = array (); $ Result ["y"] = $ B ["y"]-$ a ["y"]; $ Result ["m"] = $ B ["m"]-$ a ["m"]; $ Result ["d"] = $ B ["d"]-$ a ["d"]; $ Result ["h"] = $ B ["h"]-$ a ["h"]; $ Result ["I"] = $ B ["I"]-$ a ["I"]; $ Result ["s"] = $ B ["s"]-$ a ["s"]; $ Result ["invert"] = $ invert? 1: 0; $ Result ["days"] = intval (abs ($ one-$ two)/86400 )); If ($ invert ){ _ Date_normalize (& $ a, & $ result ); } Else { _ Date_normalize (& $ B, & $ result ); } Return $ result; } $ Date = "19:37:22 "; Echo' '; print_r( _date_diff( strtotime($date), time() ) ); echo ' '; ?>

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