php fopen() fgets() fclose()文件读取实例

php使用fopen() fgets() fclose()函数读取文件源码如下：

<?
$fh = fopen('data.txt','rb');
if (! $fh) {
    print "Error opening people.txt: $php_errormsg";
} else {
    for ($line = fgets($fh); ! feof($fh); $line = fgets($fh)) {
        if ($line === false) {
            print "Error reading line: $php_errormsg";
        } else {
            $line = trim($line);
            $info = explode('|', $line);
            print '<li><a href="mailto:' . $info[0] . '">' . $info[1] ."</li>\n";
        }
    }
    /* http://www.manongjc.com/article/1344.html */
    if (! fclose($fh)) {
        print "Error closing people.txt: $php_errormsg";
    }
}
?>
//data.txt

a@example.com|Alice
b@example.org|Bill
c@example.com|Charlie
d@example.com|Lewis