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<?php $date = new DateTimeImmutable("2013-03-15"); echo "date =>" . $date->format("Y-m-d"); echo " ******** "; $date1 = $date->add(date_interval_create_from_date_string("40 days")); echo "date after modify date1 =>" . $date1->format("Y-m-d");
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
date =>2013-03-15 ******** date after modify date1 =>2013-04-24
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 date =>2013-03-15 ******** date after modify date1 =>2013-04-24

preferences:
214.51 ms | 402 KiB | 150 Q