文字

SplFileObject::current

(PHP 5 >= 5.1.0)

SplFileObject::currentRetrieve current line of file

说明

public string|array SplFileObject::current ( void )

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

Example #1 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
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