//文件管理

$file = 'zhang.txt';

$res = fopen( $file, 'rb' );

//for( $i=0; $i<20; $i++ ){

//// $res = fopen( $file, 'wb' );

// fwrite( $res, '我是：' . $i . PHP_EOL );

//}

//while( $row = fgets( $res ) )

// echo $row . '<br>';

//while( !feof( $res ) ){

// echo fgetss( $res, 1024, '<p>' ) . '<br>';

//}

//while( !feof( $res ) ){

// echo fgetc( $res );

//}

//fclose( $res );

//readfile( $file );

//echo readfile( $file );

//$arr = file( $file );

//

//print_r( $arr );

//echo file_get_contents( $file );

//echo fread( $res, 102 );

//$str = 'zhangrongquanxxxxxxx';

//file_put_contents( $file, $str . PHP_EOL, FILE_APPEND | LOCK_EX );

//copy( $file, 'rong.txt' );

//rename( 'rong.txt', 'quan.tm' );

//unlink( 'quan.tm' );

echo time();

echo '</p>';

echo fileatime( $file );

echo '</p>';

echo filemtime( $file );

echo '</p>';

echo filesize( $file );

echo '</p>';

$arr = pathinfo( $file, PATHINFO_FILENAME );

print_r( $arr );

echo '</p>';

echo realpath( $file );

echo '</p>';

$arr = stat( $file );

print_r( $arr );