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The fgetc() function returns a single character from an open file.
fgetc()函数的作用是:从文件指针中读取字符。
fgetc(file) |
Parameter 参数 | Description 描述 |
---|---|
file | Required. Specifies the file to check 必要参数。指定文件对象 |
Note: This function is slow and should not be used on large files. If you need to read one character at a time from a large file, use fgets() to read data one line at a time and then process the line one character at a time with fgetc().
注意:这个函数运行起来非常缓慢,所以它不宜对打的文件对象进行使用。
<?php $file = fopen("test2.txt","r"); echo fgetc($file); fclose($file); ?> |
The output of the code above will be:
上述代码将输出下面的结果:
H |
Read file character by character:
逐字读取文件:
<?php $file = fopen("test2.txt","r"); while (! feof ($file)) { echo fgetc($file); } fclose($file); ?> |
The output of the code above will be:
上述代码将输出下面的结果:
Hello, this is a test file. |