How to tell if time has started

strtotime: Parse English text date and time into Unix timestamp

<?php 
if(time()<strtotime(Configure::read("Shuang_START"))):?>
        alert(&#39;活动尚未开始~&#39;);return;    
<?php endif;?>
    <?php if(time()>strtotime(Configure::read("Shuang_END"))):?>
        alert(&#39;活动已经结束~&#39;);return;    
<?php endif;?>

The above is the detailed content of How to tell if time has started. For more information, please follow other related articles on the PHP Chinese website!