The expression $format of type string|null is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like ==, or !=, or switch conditions),
values of different types might be equal.
For string values, the empty string '' is a special case, in particular
the following results might be unexpected:
''==false// true''==null// true'ab'==false// false'ab'==null// false// It is often better to use strict comparison''===false// false''===null// false
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$date->format($format) :
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$date
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;
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}
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/**
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* Returns object created at.
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*
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* @param string $format optional date format
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*
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* @return \DateTime|string
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*/
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public function getCreatedAt($format = null)
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{
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return $this->formatDateTime(
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$this->createdAt,
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$format
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);
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}
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/**
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* Define object created at.
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*
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* @param \DateTime $createdAt
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*
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* @return self
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*/
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public function setCreatedAt(\DateTime $createdAt)
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{
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$this->createdAt = $createdAt;
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return $this;
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}
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/**
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* Returns object updated at.
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*
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* @param string $format optional date format
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*
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* @return \DateTime|string
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*/
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public function getUpdatedAt($format = null)
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{
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return $this->formatDateTime(
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$this->updatedAt,
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$format
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);
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}
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/**
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* Define object updated at.
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*
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* @param \DateTime $updatedAt
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*
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* @return self
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*/
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public function setUpdatedAt(\DateTime $updatedAt)
LinkValue /
MajoraFrameworkExtraBundle
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
stringvalues, the empty string''is a special case, in particular the following results might be unexpected: