PHP method for getting the number of file lines _ PHP Tutorial

PHP to obtain the number of objects. PHP provides two methods to obtain the number of file lines. although the second method is simple and easy to understand, the first method is the best. The first method is 123456789101112131415? Php $ file_path PHP method for getting the number of file lines

Two implementation methods are provided. although the second method is easy to understand, the first method is the best.

First:

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$ File_path = 'xxx.txt '; // file path $ Line = 0; // Number of initialized rows // Open the file $ Fp = fopen ($ file_path, 'r') or die ("open file failure! "); If ($ fp ){ // Obtain the object content. note: php5 is required to support this function; While (stream_get_line ($ fp, 8192, "\ n ")){ $ Line ++; } Fclose ($ fp); // close the file } // Number of output rows; Echo $ line; ?>

Second:

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

The second method is inefficient because you want to save the file content.

Pipeline provides two implementation methods. although the second method is simple and easy to understand, the first method is best: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15? Php $ file_path...