SplFileObject::current()

(PHP 5 >= 5.1.0, PHP 7)

Retrieve current line of file

说明

publicSplFileObject::current(void): string|array

Retrieves the current line of the file.

参数

此函数没有参数。

返回值

Retrieves the current line of the file. If the SplFileObject::READ_CSV flag is set, this method returns an array containing the current line parsed as CSV data.

范例

SplFileObject::current() example

<?php
$file = new SplFileObject(__FILE__);
foreach ($file as $k => $line) {
   echo ($file->key() + 1) . ': ' . $file->current();
}
?>

以上例程的输出类似于：

1: <?php
2: $file = new SplFileObject(__FILE__);
3: foreach ($file as $line) {
4:     echo ($file->key() + 1) . ': ' . $file->current();
5: }
6: ?>

参见

• SplFileObject::key() Get line number
• SplFileObject::seek() Seek to specified line
• SplFileObject::next() Read next line
• SplFileObject::rewind() Rewind the file to the first line
• SplFileObject::valid() Not at EOF