1--TEST-- 2Test fdatasync() function: basic functionality 3--FILE-- 4<?php 5 6echo "*** Testing fdatasync(): writing to a file and reading the contents ***\n"; 7$data = <<<EOD 8first line of string 9second line of string 10third line of string 11EOD; 12 13$file_path = __DIR__; 14$filename = "$file_path/fdatasync_basic.tmp"; 15 16// opening a file 17$file_handle = fopen($filename, "w"); 18if($file_handle == false) 19 exit("Error:failed to open file $filename"); 20 21if(PHP_OS_FAMILY == 'Windows') { 22 $data = str_replace("\r",'', $data); 23} 24 25// writing data to the file 26var_dump( fwrite($file_handle, $data) ); 27var_dump( fdatasync($file_handle) ); 28var_dump( readfile($filename) ); 29 30echo "\n*** Testing fdatasync(): for return type ***\n"; 31$return_value = fdatasync($file_handle); 32var_dump( is_bool($return_value) ); 33fclose($file_handle); 34 35echo "\n*** Testing fdatasync(): attempting to sync stdin ***\n"; 36$file_handle = fopen("php://stdin", "w"); 37var_dump(fdatasync($file_handle)); 38fclose($file_handle); 39 40echo "\n*** Testing fdatasync(): for non-file stream ***\n"; 41$file_handle = fopen("php://memory", "w"); 42$return_value = fdatasync($file_handle); 43var_dump( ($return_value) ); 44fclose($file_handle); 45 46echo "\n*** Done ***"; 47?> 48--CLEAN-- 49<?php 50$file_path = __DIR__; 51$filename = "$file_path/fdatasync_basic.tmp"; 52unlink($filename); 53?> 54--EXPECTF-- 55*** Testing fdatasync(): writing to a file and reading the contents *** 56int(63) 57bool(true) 58first line of string 59second line of string 60third line of stringint(63) 61 62*** Testing fdatasync(): for return type *** 63bool(true) 64 65*** Testing fdatasync(): attempting to sync stdin *** 66bool(false) 67 68*** Testing fdatasync(): for non-file stream *** 69 70Warning: fdatasync(): Can't fsync this stream! in %s on line %d 71bool(false) 72 73*** Done *** 74
