Online PHP editor | output for LqeX2

@ 2020-08-15T16:17:34Z

<?php
class ExtendsDateTime extends DateTime {
    public $onConstruct;
    
    public function __construct($value, $tz = null) {
        parent::__construct($value, $tz);
        $this->onConstruct = true;
    }
    public static function createFromFormat($format, $datetime, $timezone = null) {
        return parent::createFromFormat($format, $datetime);
    }
}

$date = ExtendsDateTime::createFromFormat('Y-m-d', '2014-02-14');
var_dump($date instanceof ExtendsDateTime);

echo "onConstruct\n";
var_dump($date->onConstruct);

Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Deprecated: Return type of ExtendsDateTime::createFromFormat($format, $datetime, $timezone = null) should either be compatible with DateTime::createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null): DateTime|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/LqeX2 on line 9 bool(true) onConstruct NULL
Output for 8.0.0 - 8.0.30: bool(true) onConstruct NULL
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33: bool(false) onConstruct Notice: Undefined property: DateTime::$onConstruct in /in/LqeX2 on line 18 NULL
Output for 7.3.32, 7.4.26: bool(false) onConstruct NULL

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