一行一行地读取 大文件

1. $fp = fopen( './test.log', 'r' );
2. while( false !== ( $buffer = fgets( $fp, 4096 ) ) ){ //4096 不懂得建议看下 fgets函数及参数
3. //echo $buffer.PHP_EOL;
4. }
5. if( !feof( $fp ) ){
6. throw new Exception('... ...');
7. }
8. fclose( $fp );