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【已解决】WordPress主题大前端PHP 7代码出错:Fatal error Uncaught Error Call to undefined function ereg_replace() in daqianduan-d8-jquiss header.php

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【已解决】WordPress网站搬家后页面显示但不显示内容

期间,刚搬家后Wordpress网站,结果无法显示主页。去调查后发现是:

在打开了WordPress的debug:

<code>define('WP_DEBUG', true);
</code>

后,看到:

<code>Notice: wp_deregister_script的调用方法不正确。脚本和样式应在wp_enqueue_scripts、admin_enqueue_scripts和login_enqueue_scripts钩子之后再加入加载队列(enqueue)或注册(register)。 请查阅调试WordPress来获取更多信息。 (这个消息是在3.3.0版本添加的。) in /xxx/wp-includes/functions.php on line 4204

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-banner.php on line 11

Notice: 在d_banner中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-slidebanner.php on line 11

Notice: 在d_slidebanner中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-readers.php on line 11

Notice: 在d_reader中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-postlist.php on line 11

Notice: 在d_postlist中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-comment.php on line 11

Notice: 在d_comment中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-tags.php on line 11

Notice: 在d_tag中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Notice: Undefined variable: control_ops in /xxx/wp-content/themes/daqianduan-d8-jquiss/widgets/wid-textbanner.php on line 11

Notice: 在d_textbanner中为WP_Widget调用的构造函数已自版本4.3.0起废弃!请改用
__construct()。 in /xxx/wp-includes/functions.php on line 3959

Fatal error: Uncaught Error: Call to undefined function ereg_replace() in /xxx/wp-content/themes/daqianduan-d8-jquiss/header.php:71 Stack trace: #0 /xxx/wp-includes/template.php(688): require_once() #1 /xxx/wp-includes/template.php(647): load_template('/data/wwwroot/w...', true) #2 /xxx/wp-includes/general-template.php(41): locate_template(Array, true) #3 /xxx/wp-content/themes/daqianduan-d8-jquiss/index.php(1): get_header() #4 /xxx/wp-includes/template-loader.php(74): include('/data/wwwroot/w...') #5 /xxx/wp-blog-header.php(19): require_once('/data/wwwroot/w...') #6 /xxx/index.php(17): require('/data/wwwroot/w...') #7 {main} thrown in /xxx/wp-content/themes/daqianduan-d8-jquiss/header.php on line 71
</code>

WordPress  Fatal error: Uncaught Error: Call to undefined function ereg_replace() in

Topic Tag: Call to undefined function ereg() | WordPress.org

php 7 – Fatal error: Uncaught Error: Call to undefined function ereg_replace() PHP 7 – Stack Overflow

WordPress website is not working with error 500: PHP Fatal error: Uncaught Error: Call to undefined function eregi() – Plesk Help Center

php – WordPress wp-admin fatal error – Stack Overflow

Fix WordPress Fatal error: Call to undefined function – IsItWP

PHP 7.x preg_replace替换了ereg_replace,D8主题崩坏 – Slyar Home

结果此处没有搜到:

<code>[root@VM_0_11_centos www.crifan.com]# grep -nr "ereg_replace(\"&lt;div\[^&gt;\]\*&gt;&lt;ul\[^&gt;\]\*&gt;\"" ./
^C
[root@VM_0_11_centos www.crifan.com]# ^C
</code>

还是按照提示:

<code>../www.crifan.com/wp-content/themes/daqianduan-d8-jquiss/header.php
</code>

去直接修改文件算了。

想要去WordPress后台的主题中编辑对应文件的,结果:

无法正常显示了。

且同时看到了对应的其他文件的提示

所以只能暂时去关闭debug,再去修改文件

然后此处通过查询发现有7处用到了:

ereg_replace

PHP: ereg_replace – Manual

貌似直接替换就可以了?

PHP: Differences from POSIX regex – Manual

“POSIX

PCRE

ereg_replace()

preg_replace()

ereg()

preg_match()

eregi_replace()

preg_replace()

eregi()

preg_match()

split()

preg_split()

spliti()

preg_split()

sql_regcase()

No equivalent”

去搜了另外几个,都没有用到,就ereg_replace这一个。

那直接去换吧

  • ereg_replace

  • preg_replace

然后上传到服务器上:

<code>[root@VM_0_11_centos daqianduan-d8-jquiss]# rm -f header.php
[root@VM_0_11_centos daqianduan-d8-jquiss]# rz
rz waiting to receive.
Starting zmodem transfer.  Press Ctrl+C to cancel.
Transferring header.php...
  100%       5 KB       5 KB/sec    00:00:01       0 Errors  

[root@VM_0_11_centos daqianduan-d8-jquiss]# ll
total 260
-rwxr-xr-x 1 www  www    538 Jun 14  2017 404.php
drwxr-xr-x 2 www  www   4096 Jun 14  2017 admin
drwxr-xr-x 2 www  www   4096 Jun 14  2017 ajax
-...
-rwxr-xr-x 1 www  www    281 Jun 14  2017 tag.php
drwxr-xr-x 2 www  www   4096 Jun 14  2017 widgets
[root@VM_0_11_centos daqianduan-d8-jquiss]# chown www:www header.php
[root@VM_0_11_centos daqianduan-d8-jquiss]# cd pages/
[root@VM_0_11_centos pages]# ll
total 28
-rwxr-xr-x 1 www www 2625 Jun 14  2017 archives.php
-rwxr-xr-x 1 www www 1908 Jun 14  2017 example.php
-rwxr-xr-x 1 www www 1037 Jun 14  2017 links.php
-rwxr-xr-x 1 www www  865 Jun 14  2017 page.php
-rwxr-xr-x 1 www www 1849 Jun 14  2017 readers.php
-rwxr-xr-x 1 www www 1334 Jun 14  2017 tags.php
-rwxr-xr-x 1 www www 1701 Jun 14  2017 tougao.php
[root@VM_0_11_centos pages]# rm -f archives.php links.php page.php readers.php tags.php tougao.php
[root@VM_0_11_centos pages]# rz
rz waiting to receive.
Starting zmodem transfer.  Press Ctrl+C to cancel.
Transferring archives.php...
  100%       2 KB       2 KB/sec    00:00:01       0 Errors  
Transferring links.php...
  100%       1 KB       1 KB/sec    00:00:01       0 Errors  
Transferring page.php...
  100%     865 bytes  865 bytes/sec 00:00:01       0 Errors  
Transferring readers.php...
  100%       1 KB       1 KB/sec    00:00:01       0 Errors  
Transferring tags.php...
  100%       1 KB       1 KB/sec    00:00:01       0 Errors  
Transferring tougao.php...
  100%       1 KB       1 KB/sec    00:00:01       0 Errors  

[root@VM_0_11_centos pages]# ll
total 28
-rwxr-xr-x 1 root root 2625 Dec 30 14:52 archives.php
-rwxr-xr-x 1 www  www  1908 Jun 14  2017 example.php
-rwxr-xr-x 1 root root 1037 Dec 30 14:52 links.php
-rwxr-xr-x 1 root root  865 Dec 30 14:52 page.php
-rwxr-xr-x 1 root root 1849 Dec 30 14:52 readers.php
-rwxr-xr-x 1 root root 1334 Dec 30 14:52 tags.php
-rwxr-xr-x 1 root root 1701 Dec 30 14:52 tougao.php
[root@VM_0_11_centos pages]# chown www:www *
[root@VM_0_11_centos pages]# ll
total 28
-rwxr-xr-x 1 www www 2625 Dec 30 14:52 archives.php
-rwxr-xr-x 1 www www 1908 Jun 14  2017 example.php
-rwxr-xr-x 1 www www 1037 Dec 30 14:52 links.php
-rwxr-xr-x 1 www www  865 Dec 30 14:52 page.php
-rwxr-xr-x 1 www www 1849 Dec 30 14:52 readers.php
-rwxr-xr-x 1 www www 1334 Dec 30 14:52 tags.php
-rwxr-xr-x 1 www www 1701 Dec 30 14:52 tougao.php
</code>

再重启一下php:

<code>[root@VM_0_11_centos pages]# service php-fpm restart
Redirecting to /bin/systemctl restart php-fpm.service
</code>

终于可以正常出主页的 部分内容了:

【总结】

WordPress的大前端的主题,对于PHP 7有些代码没有更新导致语法出错,页面无法显示。

解决办法是:

wp-content/themes/daqianduan-d8-jquiss/header.php

把:

<code>ereg_replace("&lt;div[^&gt;]*&gt;&lt;ul[^&gt;]*&gt;"
</code>

换成:

<code>preg_replace("/&lt;div[^&gt;]*&gt;&lt;ul[^&gt;]*&gt;/"
</code>

即可。

不过此处只是解决了单个文件的问题。

后续还有其他文件需要替换,详见:

【已解决】WordPress网站搬家后页面显示但不显示内容

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