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PHP - Manual: SplFileObject::fgetc - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: SplFileObject::fgetc

2025-05-17

SplFileObject::fgetc

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplFileObject::fgetcGets character from file

说明

public SplFileObject::fgetc(): string|false

Gets a character from the file.

参数

此函数没有参数。

返回值

Returns a string containing a single character read from the file or false on EOF.

警告

此函数可能返回布尔值 false,但也可能返回等同于 false 的非布尔值。请阅读 布尔类型章节以获取更多信息。应使用 === 运算符来测试此函数的返回值。

示例

示例 #1 SplFileObject::fgetc() example

<?php
$file
= new SplFileObject('file.txt');
while (
false !== ($char = $file->fgetc())) {
echo
"$char\n";
}
?>

参见

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官方地址:https://www.php.net/manual/en/splfileobject.fgetc.php

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