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<?php $string = '2018-01-11T15:36:16.000+01:00'; $date = new DateTime($string); $datetime = new DateTimeImmutable($string); $otherString = $date->format(DateTime::RFC3339_EXTENDED); $immutableString = $datetime->format(DateTime::RFC3339_EXTENDED); var_dump( $string == $otherString, $string == $immutableString, DateTimeImmutable::getLastErrors() );
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true) bool(true) bool(false)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
bool(true) bool(true) array(4) { ["warning_count"]=> int(0) ["warnings"]=> array(0) { } ["error_count"]=> int(0) ["errors"]=> array(0) { } }

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134.98 ms | 408 KiB | 5 Q