fgetc
(PHP 3, PHP 4 , PHP 5)
fgetc -- Gets character from file pointer
Description
string
fgetc ( resource handle )
Returns a string containing a single character read from the
file pointed to by handle.
Returns FALSE on EOF.
The file pointer must be valid, and must point to
a file successfully opened by fopen() or
fsockopen().
警告 |
這個函數可能回傳布林值 FALSE,但也可能回傳一個同於 FALSE 的非布林值,像是0或 ""請參考Booleans此節有更多資訊。使用 === 運算子來測試這個函數的回傳值。 |
範例 1. A fgetc() example
<?php $fp = fopen('somefile.txt', 'r'); if (!$fp) { echo 'Could not open file somefile.txt'; } while (false !== ($char = fgetc($fp))) { echo "$char\n"; } ?>
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See also fread(), fopen(),
popen(), fsockopen(), and
fgets().