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(PHP 5 >= 5.1.0)
SplFileObject::seek — Seek to specified line
$line_pos
)Seek to specified line in the file.
line_pos
The zero-based line number to seek to.
没有返回值。
Throws a LogicException if the
line_pos
is negative.
Example #1 SplFileObject::seek() example
This example outputs the third line of the script which is found at position 2.
<?php
$file = new SplFileObject ( __FILE__ );
$file -> seek ( 2 );
echo $file -> current ();
?>
以上例程的输出类似于:
$file->seek(2);