How to get the number of lines in a file in PHP_PHP Tutorial

How to get the number of lines in a file in PHP

provides two implementation methods. Although the second one is simple and easy to understand, the first one is the most efficient

First type:

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$file_path = 'xxx.txt'; //文件路径 $line = 0 ; //初始化行数 //打开文件 $fp = fopen($file_path , 'r') or die("open file failure!"); if($fp){ //获取文件的一行内容，注意：需要php5才支持该函数； while(stream_get_line($fp,8192,"n")){ $line ; } fclose($fp);//关闭文件 } //输出行数； echo $line; ?>

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$line = count(file('filename')); echo $line; ?>

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$file_path = 'xxx.txt'; //File path

$line = 0; //Initialize the number of lines //Open file $fp = fopen($file_path , 'r') or die("open file failure!"); if($fp){ //Get a line of content from the file. Note: PHP5 is required to support this function; while(stream_get_line($fp,8192,"n")){ $line ; } fclose($fp);//Close the file } //Output the number of lines; echo $line; ?>

Second type:

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$line = count(file('filename')); echo $line; ?>

The second method is very inefficient because it needs to save the contents of the file http://www.bkjia.com/PHPjc/1014281.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1014281.htmlTechArticlePHP provides two implementation methods for obtaining the number of file lines. Although the second is simple and easy to understand, the first The first one is the most efficient: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ?php $file_path...