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PHP7 string format time, how to compare the underlying implementation?

WBOY
WBOYOriginal
2016-10-10 11:56:271243browse

<code>if('2016-9-10 12:01:08'<'2016-9-30 12:01:16')
{

    echo 1;

}
else
{
    echo 2;
}
上面的代码我发现真的可以 进行时间大小的比较,我想知道 是底层字符串对比还是转换成了时间戳?</code>

Reply content:

<code>if('2016-9-10 12:01:08'<'2016-9-30 12:01:16')
{

    echo 1;

}
else
{
    echo 2;
}
上面的代码我发现真的可以 进行时间大小的比较,我想知道 是底层字符串对比还是转换成了时间戳?</code>

It must be a string comparison and I won’t transfer it to you. You can try it

<code class="php">if('2016-9-33 12:01:08'<'2016-10-1 12:01:16')
{
    echo 1;
}else{
    echo 2;
}

if(strtotime('2016-9-33 12:01:08')<strtotime('2016-10-1 12:01:16'))
{
    echo 1;
}else{
    echo 2;
}</code>
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