php参考手册 Date / Time 函数(1.8千字)
原创
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<?php
var_dump(checkdate(12,31,-400));
echo "<br />";
var_dump(checkdate(2,29,2003));
echo "<br>";
var_dump(checkdate(2,29,2004));
<?php
$date=date_create("1980-10-15");
date_add($date,date_interval_create_from_date_string("100 days"));
echo date_format($date,'Y-m-d');
<?php
$date=date_create("1980-10-15");
echo date_format($date,"Y/m/d");
<?php
$date=date_create();
date_date_set($date,2020,10,15);
echo date_format($date,'Y/m/d');
<?php
echo date_default_timezone_get();
<?php
date_default_timezone_set("Asia/Shanghai");
echo date_default_timezone_get();
<?php
$date1=date_create("1984-01-28");
$date2=date_create("1980-10-15");
$diff=date_diff($date1,$date2);
echo $diff->format("%R%a days");
<?php
$date=date_create("2016-09-25");
echo date_format($date,"Y/m/d H:i:s");
<?php
date_create("aecubdjpoi%&&/");
print_r(date_get_last_errors());