This function is used to read a single line from a file. You can pass this function a file handle corresponding to an open file, and optional length.<\/p>\n\n\n\n
fgets()<\/strong><\/span><\/code> function is passed the file to read and the number of bytes to read as arguments, and it returns a string of length -1 bytes from the file indicated by the user.<\/li>- If it fails, it returns False.<\/li><\/ul>\n\n\n\n
Syntax:-<\/strong><\/p>\n\n\n\nfgets(file, length)<\/strong><\/span><\/code><\/pre>\n\n\n\nParameters Used:<\/strong>\nThe fgets()<\/span> function in PHP accepts two parameters.\nfile :<\/strong> It specifies the file from which characters have to be extracted. \nlength :<\/strong> It specifies the number of bytes to be read by the fgets()<\/span> function. The default value is 1024 bytes.<\/pre>\n\n\n\nReturn Value :<\/strong> It returns a string of length -1 bytes from the user-specified file, or False if the operation fails.<\/p>\n\n\n\nErrors And Exceptions<\/strong>:-<\/p>\n\n\n\n- Because it reads a single line at a time, the method isn’t designed for huge files, and reading a long file can take a long time.<\/li>
- If the
fgets()<\/strong><\/span><\/code> method is called more than once, the buffer must be emptied.<\/li>- Although the
fgets()<\/strong><\/span><\/code> method returns the Boolean False, it frequently produces a non-Boolean result that evaluates to False.<\/li><\/ul>\n\n\n\nLet’s take one Example:-<\/h4>\n\n\n\n
Suppose there is a file named \u201ctest.txt\u201d which consists of :<\/p>\n\n\n\n
This is the first line.\r\nThis is the second line.\r\nThis is the third line.<\/code><\/pre>\n\n\n\nExample 1:-<\/strong><\/p>\n\n\n\n