(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::valid — Not at EOF
Check whether EOF has been reached.
此函数没有参数。
Returns true if not reached EOF, false otherwise.
Example #1 SplFileObject::valid() example
<?php
// Loop over a file, line by line
$file = new SplFileObject("file.txt");
while ($file->valid()) {
echo $file->fgets();
}
?>