PHP日期格式转换为“/”到“-”

这应该对您有用:

<?php

    $date = '27/02/2015';
    $d = DateTime::createFromFormat("d/m/Y", $date);
    echo $d->format("Y-m-d");

?>

输出:

2015-02-27

只需分解此字符串:

list($d,$m,$y) = explode('/',$date);

并重新连接,如:

$newDate = "$y-$m-$d";

具有 / 不是标准的日期时间格式请尝试将其替换为 -

$date = '27/02/2015';
echo $newDate = date('Y-m-d',strtotime(str_replace('/', '-', $date)));//2015-02-27