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<?php // Define two intervals $date1 = date_create("2013-03-15"); $date2 = date_create("2013-12-12"); $diff_1 = date_diff($date1,$date2); $date3 = date_create("2015-02-15"); $date4 = date_create("2015-12-12"); $diff_2 = date_diff($date3,$date4); // Create a datetime object and clone it $result = new DateTime(); $diff_res = clone $result; // Add the two intervals from before to the first one $result->add($diff_2); $result->add($diff_1); // The result of the two intervals is now the difference between the datetimeobject and its clone var_dump($result->diff($diff_res));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(DateInterval)#9 (10) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(22) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["invert"]=> int(1) ["days"]=> int(571) ["from_string"]=> bool(false) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(DateInterval)#9 (10) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(22) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["invert"]=> int(1) ["days"]=> int(571) ["from_string"]=> bool(false) }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
object(DateInterval)#9 (16) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(22) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(571) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
object(DateInterval)#9 (15) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(22) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(1) ["days"]=> int(571) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) }
Output for 5.3.3 - 5.3.26, 5.4.0 - 5.4.16
object(DateInterval)#9 (8) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(22) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(1) ["days"]=> int(571) }
Output for 5.3.0 - 5.3.2
object(DateInterval)#9 (8) { ["y"]=> int(1) ["m"]=> int(6) ["d"]=> int(21) ["h"]=> int(0) ["i"]=> int(0) ["s"]=> int(0) ["invert"]=> int(1) ["days"]=> int(570) }
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function date_diff() in /in/ieiBb on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function date_create() in /in/ieiBb on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/ieiBb on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/ieiBb on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ieiBb on line 15
Process exited with code 255.

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