[英]Function to compare dates in php doesn't work
我建立了應該比較日期並返回布爾值的函數。 但是,當我運行它時,它中斷了,頁面停止了。
功能:
public function compare_date_outlook($creation, $modification) {
$creation_date = DateTime::createFromFormat('Y-m-d\TH:i:s+', $creation);
$creation_date = $creation_date->format( 'Y-m-d');
$modification_date = DateTime::createFromFormat('Y-m-d\TH:i:s+', $modification);
$modification_date = $modification_date->format( 'Y-m-d');
$date = new \DateTime( 'yesterday' );
$date->setTime( 0, 0, 0 );
$yesterday = $date->format( 'Y-m-d');
if (($creation || $modification) == $yesterday)
{
return TRUE;
}
else {
return FALSE;
}
}
我怎么稱呼它:
if ( compare_date_outlook($a['creationDate'], $a['lastModifiedDate']) === TRUE)
日期格式:
$a['creationDate'] = "2017-09-08T13:26:11.4354775Z";
它在開始時就停止了:
$creation_date = DateTime::createFromFormat('Y-m-d\TH:i:s+', $creation);
這樣的事情應該起作用:
function compare_date_outlook($creation, $modification)
{
$today = (new \Datetime())->setTime(0, 0, 0);
$yesterday = (new \Datetime('yesterday'))->setTime(0, 0, 0);
$creation_date = \DateTime::createFromFormat('Y-m-d\TH:i:s+', $creation);
$modification_date = \DateTime::createFromFormat('Y-m-d\TH:i:s+', $modification);
return ($creation_date >= $yesterday && $creation_date < $today) ||
($modification_date >= $yesterday && $modification_date < $today);
}
可能您還有其他名稱空間。 因此,當您位於其他命名空間中時,需要在全局方法/類之前添加\\
在這里查看文檔http://www.php.net/manual/en/language.namespaces.global.php
public function compare_date_outlook($creation, $modification) {
$creation_date = \DateTime::createFromFormat('Y-m-d\TH:i:s+', $creation);
$creation_date = $creation_date->format( 'Y-m-d');
$modification_date = \DateTime::createFromFormat('Y-m-d\TH:i:s+', $modification);
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