PHP Warning: fread(): Length parameter must be greater than 0 in

1 개요

PHP Warning: fread(): Length parameter must be greater than 0 in

• fread()의 두번째 인수가 0보다 커야 하는데, 그렇지 않을 때 발생하는 경고

2 사례

[Tue Jul 26 00:26:48.093440 2016] [:error] [pid 23190] [client 135.79.246.80:33264] PHP Warning:  fread(): Length parameter must be greater than 0 in /var/www/html/w/extensions/PlantUML/PlantUML.php on line 387

3 재현

root@zetawiki:~# cat test_fread0.php
<?php
$fp = fopen('/dev/zero','r');
$data = fread($fp, 0);

root@zetawiki:~# php test_fread0.php
PHP Warning:  fread(): Length parameter must be greater than 0 in /root/test_fread0.php on line 3

4 같이 보기

• PHP fread()

5 참고

• http://php.net/manual/en/function.fread.php