相关疑难解决方法(0)

// Other variables
$MAX_FILENAME_LENGTH = 260;
$file_name = $_FILES[$upload_name]['name'];
//echo "testing-".$file_name."<br>";
//$file_name = strtolower($file_name);
$file_extension = end(explode('.', $file_name)); //ERROR ON THIS LINE
$uploadErrors = array(
    0=>'There is no error, the file uploaded with success',
    1=>'The uploaded file exceeds the upload max filesize allowed.',
    2=>'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
    3=>'The uploaded file was only partially uploaded',
    4=>'No file was uploaded',
    6=>'Missing a temporary folder'
);

有任何想法吗？2天后仍然卡住了.

$split_point = ' - ';
$string = 'this is my - string - and more';

如何使用$ split_point的第二个实例而不是第一个实例进行拆分.我能以某种方式指定从右到左的搜索吗？最简单的方法？

基本上我如何从右到左爆炸.我想拿起" - "的最后一个例子.

结果我需要:

$item[0]='this is my - string'; $item[1]='and more';

并不是:

$item[0]='this is my'; $item[1]='string - and more';

我正在尝试爆炸一个字符串，但我需要它仅在最后爆炸'and'而不是每个爆炸'and'。有没有办法做到这一点？

<?php

$string = "one and two and three and four and five";
$string = explode(" and ", $string);

print_r($string);

?>

结果：

数组（[0] =>一个[1] =>两个[2] =>三个[3] =>四个[4] =>五个）

需要结果：

数组（[0] => 1和2以及3和4 [1] => 5）