Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: BEGIN_SILENCE - 互联网笔记

略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: BEGIN_SILENCE

2025-06-09

BEGIN_SILENCE

PHP code

<?php
/*
 * prepare to perform function call without displaying error messages
 * opcode number: 57
 */
/* Intentional file error */
$my_file = @file ('non_existent_file') or
   die (
"error:'$php_errormsg'");
?>

PHP opcodes

Function name: (null)

Compiled variables: !0=$my_file, !1=$php_errormsg

line#op fetchextreturn operands
70 BEGIN_SILENCE   ~0  
 1 SEND_VAL     'non_existent_file'
 2 DO_FCALL  1  'file'
 3 END_SILENCE     ~0
 4 ASSIGN   $2 !0,$1
 5 JMPNZ_EX   ~3 $2,->11
86 ADD_STRING   ~4 'error%3A%27'
 7 ADD_VAR   ~4 ~4,!1
 8 ADD_CHAR   ~4 ~4,39
 9 EXIT     ~4
 10 BOOL   ~3 true
 11 FREE     ~3
912 RETURN     1
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/internals2.opcodes.begin-silence.php

冷却塔厂家 广告
中文GPT4.0无需注册 广告
北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3