Questions tagged [php]
PHP is a general-purpose scripting language that is especially suited for Web development. The online manual is an excellent resource for the language syntax and has an extensive list of the built-in and extension functions. Most extensions can be found in PECL.
7,904
questions
183
votes
18
answers
1.1m
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How do you restart php-fpm?
I need to reload my php.ini and there's nothing in the help dialog about restarting it.
- 1,983
104
votes
1
answer
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Differences and dis/advanages between: Fast-CGI, CGI, Mod-PHP, SuPHP, PHP-FPM
There are few different php "wrappers"(?). What are differences between them? Tried to google some, but cant seem to find informations. (mod-php is not googleable).
Why might I choose one over ...
- 1,201
76
votes
9
answers
71k
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memcache vs memcached?
I want to use memcached
http://www.danga.com/memcached/
I have installed it through yum install memcached
But now I need to connect to PHP, and there is an extension named memcache and one named ...
- 839
74
votes
8
answers
267k
views
Why is the response on localhost so slow?
I am working on a tiny little PHP project for a friend of mine, and I have a WAMP environment setup for local development. I remember the days when the response from my local Apache 2.2 was immediate. ...
- 1,069
66
votes
3
answers
199k
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php cli memory limit
I am getting a memory error in a php cron job:
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /opt/matrix/core/lib/DAL/DAL.inc on line 830
The ...
- 1,478
66
votes
13
answers
344k
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104: Connection reset by peer while reading response header from upstream (Nginx)
I have a server which was working ok until 3rd Oct 2013 at 10:50am when it began to intermittently return "502 Bad Gateway" errors to the client.
Approximately 4 out of 5 browser requests succeed but ...
- 1,002
57
votes
8
answers
151k
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how to restart/clear memcache without restarting the whole web server?
/opt/eduserver/eduserver gives me options:
Usage: /opt/eduserver/eduserver
{start|stop|startphp|startwww|startooo|stopphp|stopwww|stopooo|restartphp|restartwww|restartooo|status|restart|reload|...
- 1,153
56
votes
7
answers
77k
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PECL command produces long list of errors
Currently running PHP 5.4 on CentOS 6.5.
I installed the webtatic php55w package then installed PEAR+PECL without issue along with redis and mongo through PECL.
Shortly after, I realized 5.5 is not ...
- 1,021
48
votes
1
answer
142k
views
Can't start php-cgi.exe - MSVCR110.dll is missing [closed]
Trying to setup nginx and php on my Windows machine, but every time I try to start php-cgi.exe I get a system error.
The program can't start because MSVCR110.dll is missing from your
computer. ...
- 599
47
votes
3
answers
101k
views
How do I upgrade from PHP 5.3 to PHP 5.4.6 in Ubuntu?
Is there an easy way out to get the latest PHP? I have tried updating my package but none of it has 5.4.6 yet... if anyone knows on how to do it quickly, can it be shared here?
I've tried compiling ...
- 627
47
votes
1
answer
78k
views
Curl POST - 411 Length Required
We have a RestFUL API we build in PHP. If we make the request:
curl -u api-key:api-passphrase https://api.domain.com/v1/product -X POST
We get back:
411 - Length Required
Though if we simply add -...
- 5,388
46
votes
3
answers
359k
views
How to check my PHP and MySQL version on Ubuntu VPS?
HI I am going to install MyBB but I am not sure whether I have installed the correct version of PHP and MySQL.
PHP version 5.1.0 or above with XML Extension installed
MySQL version 4.0 or ...
- 683
46
votes
1
answer
65k
views
how to install an older version of a pecl package
I have this code
$passengerId = new \MongoId(oPassenger->getId());
return $this->createQueryBuilder('Device')
->update()
->multiple(true)
->field('...
- 1,127
44
votes
15
answers
167k
views
phpMyAdmin Error - The configuration file now needs a secret passphrase
I keep getting an error "The configuration file now needs a secret passphrase" after installation of phpmyadmin. I have set the passphrase and also followed the instruction presented on https://...
- 551
43
votes
4
answers
134k
views
What time zone is a cron job using?
I'm guessing there's a difference between my PHP time and the server time.
When I check the current time in PHP, it's showing that MST is being used. However, cron jobs aren't running at the correct ...
- 533
43
votes
6
answers
38k
views
Which PHP (opcode) cache one should use and why?
I keep hearing about some PHP (opcode) caches like - APC, XCache, Memcache, eAccelerator, etc.
But I couldn't ever figure out how to go about choosing one. Apart from performance benefit, which a ...
- 1,657
42
votes
4
answers
83k
views
Setup ubuntu server to send mail()
I tried searching a lot but unable to find how to actually setup a ubuntu server, so that I can send mails through php using mail() function in php.
I have apache2, mysql and php5 installed on my ...
- 683
41
votes
4
answers
38k
views
What's a secure alternative to using a MySQL password on the command line?
We have a PHP command-line script to version a database.
We run this script whenever a developer has added a new database patch.
The script runs the patch with the MySQL command-line:
system('mysql -...
- 4,557
41
votes
11
answers
2k
views
Got Hacked. Want to understand how
Someone has, for the second time, appended a chunk of javascript to a site I help run. This javascript hijacks Google adsense, inserting their own account number, and sticking ads all over.
The ...
- 1,677
40
votes
4
answers
210k
views
How To Change What Version of PHP Apache2 Uses?
Ubuntu 10.04, MySQL 5.1, Apache 2.2, and PHP 5.2/5.3:
I just discovered that I am using the wrong version of PHP for a CRM application. Once I figured out how to make a simple phpinfo() script to ...
- 605
40
votes
3
answers
112k
views
How do I uninstall a Web Platform Installer (WPI) installation of PHP?
We've installed PHP on a Windows Server 2008 R2 box using Web Platform Installer (WPI) 3.0.x.
However, I'd like to uninstall PHP (5.3 in particular, leaving 5.2 as-is). Unfortunately, an uninstall ...
- 872
39
votes
4
answers
24k
views
Why Swap is used when plenty of free memory is left?
I have pretty good web (dedicated) server with good memory resources:
System information
Server load 2.19 (8 CPUs)
Memory Used 29.53% (4,804,144 of 16,267,652)
Swap Used 10.52% (220,...
- 4,382
39
votes
6
answers
110k
views
PHP exit status 255: what does it mean?
I recently compiled a PHP 5.2.9 binary, and I tried to execute some PHP scripts with it. I can execute some scripts without problems, but one of them halts its execution midway, exiting with no errors ...
- 517
39
votes
5
answers
149k
views
How do I tell Apache which PHP to use?
I am running Apache2 on a Mac OS X (10.5). I just compiled PHP 5.2.8 and finally got pdo-mysql working (or so I think).
This terminal command:
php --version
is showing 5.2.8 and I have the right ...
- 543
37
votes
10
answers
115k
views
How to solve `configure: error: Cannot find OpenSSL's <evp.h>`?
Im trying to recompile PHP, but ./configure fails at :
configure: error: Cannot find OpenSSL's <evp.h>
I have LibSSL 1.0.0, LibSSL 0.9.8, LibSSL-Dev, OpenSSL installed.
--with-openssl=/usr/...
- 513
35
votes
3
answers
13k
views
How do you Install PHP5 without installing Apache in ubuntu?
Is it possible to install PHP5 without installing apache, in Ubuntu?
If so, how?
- 5,931
34
votes
4
answers
88k
views
500 error on fresh install of IIS and PHP
When attempting to run a PHP file on Windows server 2012 and IIS, I keep getting a 500 error. I cannot find any detailed logs or anything. However, when going to PHP Manager for IIS and click check ...
- 551
34
votes
1
answer
94k
views
What is the name and location of the Nginx config file (htaccess equivalent)?
There are many tutorials on how to write Nginx rewrite rules to mimic Apache's .htaccess file but I can't confidently say I know what the name or location of this so-called Nginx config file actually ...
- 693
33
votes
6
answers
213k
views
RSA certificate configured for SERVER does NOT include an ID which matches the server name
I recently started a LAMP server (all the latest versions) w/ WordPress on it, and I'm trying to install a SSL certificate that I recently purchased. When I restart apachectl, error_log gives me this:
...
- 433
33
votes
3
answers
13k
views
PHP: What are the advantages of FastCGI over mod_php?
It was recently suggested to me that I use FastCGI with PHP. Now I went to the FastCGI page and read it but I don't really understand what the advantages are.
- 10k
33
votes
6
answers
82k
views
How can I display and log PHP errors on IIS7?
We're running PHP 5.2.5 on an IIS 7 Server and we're having problems making PHP errors visible... At the moment whenever we have a PHP error the server sends back a 500 error with the message "The ...
- 463
32
votes
4
answers
122k
views
Switch from PHP 7.2 to 7.1 on Ubuntu 16.04, Apache
I need to downgrade PHP on one of my VMs from 7.2 to 7.1 on Ubuntu 16.0.4. The last time I tried to remove just PHP and replace it with a different version, I had all kinds of issues with Apache and ...
- 901
31
votes
5
answers
14k
views
Why not use a WAMP stack?
This is a canonical question about the use of a *AMPP's stack.
I recently had a talk with some experienced people and they suggested to me not to use a WAMP stack, and instead install apache, mysql ...
- 446
31
votes
8
answers
3k
views
Securing PHP webservers
PHP applications have a reputation for higher than average security problems. What configuration techniques do you use for making sure the application is secure as possible?
I'm looking for ideas ...
- 23.6k
30
votes
6
answers
9k
views
How do I find out where the web site's code resides?
The facts:
there is a website
this website is accessible via www.example.org
there is an EC2 instance which very likely keeps the website
the server is Apache
the server OS is Ubuntu
I have full ...
- 689
30
votes
1
answer
102k
views
How to install PECL on a linux system
There are download sections for PECL extensions in http://pecl.php.net/
But I am not getting install steps for PECL *itself**. Following command does not work -
yum intall pecl
In my system, I ...
- 657
30
votes
2
answers
33k
views
Why does Debian clean php sessions with a cron job instead of using php's built-in garbage collector?
Debian and derivatives (Ubuntu) don't use the php session garbage collector
session.gc_probability = 0
instead they use a cron /etc/cron.d/php5
09,39 * * * * root [ -x /usr/lib/php5/maxlifetime ] &...
- 505
29
votes
9
answers
106k
views
Apache2 Proxy timeout
I have Apache2 with PHP + PHP-FPM configured according to:
http://wiki.apache.org/httpd/PHP-FPM
I am writing a script that will take a long time to execute on an internal Vhost, but keep getting ...
- 405
29
votes
5
answers
73k
views
Permission Denied for fastcgi_pass using PHP7
I'm running LEMP with PHP7.0.
I've got this in my server block
fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;
But when I open the site, it returns a 502 Bad Gateway. Below is the error log.
*1 ...
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28
votes
11
answers
104k
views
MySQL cannot connect via "localhost", only 127.0.0.1
this is somewhat of a mystery to me. The only way I can connect to MySQL is if I call it via "127.0.0.1" ... for example, my PHP connect script will NOT work with localhost
I'm running Mac OS X Lion, ...
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28
votes
1
answer
29k
views
php-mysqlnd or php-mysql
Long story short: just installed Ubuntu 12.04 (Debian based), nginx, php-fpm and mysql. Now I need the MySQL driver for PHP, but which should I choose?
Which is better php-mysqlnd or php-mysql?
- 517
28
votes
1
answer
47k
views
Memory Usage Numbers In top/htop
Can someone please explain this top output. Each PHP process is using 30% of the total memory or of the used memory? Furthermore how can it be that the combined used memory across all the PHP ...
- 301
27
votes
5
answers
39k
views
Apache file negotiation failed
I'm having the following issue on a host using Apache 2.2.22 + PHP 5.4.0
I need to provide the file /home/server1/htdocs/admin/contents.php when a user makes the request: http://server1/admin/...
- 1,037
26
votes
1
answer
23k
views
How to add directives to php.ini on AWS Elastic Beanstalk?
I'd like to add these PHP settings to my Elastic Beanstalk environment:
upload_max_filesize = 64M
post_max_size = 64M
These options cannot be set with option_settings in .ebextensions:
Namespace ...
- 4,557
25
votes
5
answers
32k
views
Can a pool of memcache daemons be used to share sessions more efficiently?
We are moving from a 1 webserver setup to a two webserver setup and I need to start sharing PHP sessions between the two load balanced machines. We already have memcached installed (and started) and ...
- 4,307
25
votes
7
answers
42k
views
Where is apc.php?
Using Ubuntu server 10.4, I apt-getted php-apc
Where is the apc.php file that I'm meant to copy?
Thanks!
Ben
25
votes
2
answers
75k
views
What kind of server do I need to handle 10 million requests and mySQL queries a day? [closed]
I'm a newbie of server administration and I'm looking for a powerful hosting service to host my new website. This website is basically a back-end of an mobile online game, and it will:
handle up to ...
- 361
24
votes
6
answers
93k
views
Connecting to MySQL from PHP is extremely slow
I just did a fresh install of XAMPP. When first opening PHPMyAdmin I noticed it was extremely slow. It didn't make sense that on localhost it should take almost 5 seconds for every page to open. I ...
- 1,148
24
votes
4
answers
57k
views
How to automatically and temporarily block an IP address making too many hits on the server in a short timespan?
One of my LAMP servers was recently brought down by some kind of script bot looking for exploits. From the looks of it, it was making so many requests a second, that it overloaded the RAM on the ...
- 449
23
votes
16
answers
3k
views
Why is it bad to have a weak mysql user password?
I was presented with an argument to the tune of "you don't need a strong mysql user password because in order to use it, they'd already have access to your server." We're talking about a 4 digit ...
- 560