Centos 7.2下安装php7

PHP7和HHVM比较
PHP7的在真实场景的性能确实已经和HHVM相当, 在一些场景甚至超过了HHVM。HHVM的运维复杂, 是多线程模型, 这就代表着如果一个线程导致crash了, 那么整个服务就挂了, 并且它不会自动重启。另外它采用JIT, 那么意味着, 重启以后要预热, 没有预热的情况下, 性能较为糟糕。并且多线程模型调试困难, 这对于追求稳定来说的Web服务来说, 是非常不适合的。

Nginx以及PHP7.0之前的版本可以参考此文：Linux环境Nginx安装与调试以及PHP安装

PHP7.0正式版预计在2015年10月份左右发布，目前是PHP7.0 beta3版本

linux版本：64位CentOS 6.6

Nginx版本：nginx1.8.0

php版本：php-7.0.0RC1

下载

# wget https://downloads.php.net/~ab/php-7.0.0RC1.tar.gz

建议安装之前先看看安装帮助文件INSTALL

解压安装

# tar zxvf php-7.0.0RC1.tar.gz

# cd php-7.0.0RC1

首先查看安装帮助

# ./configure --help

# ./configure --prefix=/usr/local/php \
--with-curl \
--with-freetype-dir \
--with-gd \
--with-gettext \
--with-iconv-dir \
--with-kerberos \
--with-libdir=lib64 \
--with-libxml-dir \
--with-mysqli \
--with-openssl \
--with-pcre-regex \
--with-pdo-mysql \
--with-pdo-sqlite \
--with-pear \
--with-png-dir \
--with-xmlrpc \
--with-xsl \
--with-zlib \
--enable-fpm \
--enable-bcmath \
--enable-libxml \
--enable-inline-optimization \
--enable-gd-native-ttf \
--enable-mbregex \
--enable-mbstring \
--enable-opcache \
--enable-pcntl \
--enable-shmop \
--enable-soap \
--enable-sockets \
--enable-sysvsem \
--enable-xml \
--enable-zip

如果配置错误，需要安装需要的模块，直接yum一并安装依赖库

# yum -y install libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel mysql pcre-devel

注意：安装php7beta3的时候有几处配置不过去，需要yum一下，现在php-7.0.0RC1已经不用这样了。

# yum -y install curl-devel

# yum -y install libxslt-devel

编译安装

# make && make install

配置文件

# cp php.ini-development /usr/local/php/lib/php.ini

# cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
# cp /usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf

# cp -R ./sapi/fpm/php-fpm /etc/init.d/php-fpm

需要注意的是php7中www.conf这个配置文件配置phpfpm的端口号等信息，如果你修改默认的9000端口号需在这里改，再改nginx的配置

启动
# /etc/init.d/php-fpm

查看phpinfo()

php7和php5性能分析比较

[php] view plain copy

<?php
//time /usr/local/php5/bin/php search_by_key.php
$a = array();
for($i=0;$i<600000;$i++){
$a[$i] = $i;
}
foreach($a as $i)
{
array_key_exists($i, $a);
}
?>

生成一个 60 万元素的数组，通过查找key 的方式，来确定key是否存在。

PHP 5.4.44 版
[root@localhost www5.4.44]# time /usr/local/php5.4.44/bin/php search_by_key.php

real 0m0.351s
user 0m0.300s
sys 0m0.050s

PHP 5.5.28 版
[root@localhost www]# time /usr/local/php/bin/php search_by_key.php
real 0m0.361s
user 0m0.304s
sys 0m0.057s

PHP 7.0.0 版
[root@localhost www7]# time /usr/local/php7/bin/php search_by_key.php
real 0m0.114s
user 0m0.097s
sys 0m0.017s

很明显php7的性能是php5的3倍！

配置opcache
官网地址：http://php.net/opcache

使用下列推荐设置来获得较好的性能：

opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1

你也可以禁用 opcache.save_comments 并且启用 opcache.enable_file_override。需要提醒的是，在生产环境中使用上述配置之前，必须经过严格测试。因为上述配置存在一个已知问题，它会引发一些框架和应用的异常，尤其是在存在文档使用了备注注解的时候。

vim /usr/local/php7/etc/php.ini
# 加入
zend_extension=/usr/local/php7/lib/php/extensions/no-debug-non-zts-20141001/opcache.so

重启

# killall php-fpm

# /etc/init.d/php-fpm

如果上图不太明白，可以使用文末Opcache 状态测试代码(https://gist.github.com/ck-on/4959032)进行演示：

Opcache 状态测试代码(https://gist.github.com/ck-on/4959032)进行演示：

[php] view plain copy

<?php
/*
OCP - Opcache Control Panel (aka Zend Optimizer+ Control Panel for PHP)
Author: _ck_ (with contributions by GK, stasilok)
Version: 0.1.6
Free for any kind of use or modification, I am not responsible for anything, please share your improvements
* revision history
0.1.6 2013-04-12 moved meta to footer so graphs can be higher and reduce clutter
0.1.5 2013-04-12 added graphs to visualize cache state, please report any browser/style bugs
0.1.4 2013-04-09 added "recheck" to update files when using large revalidate_freq (or validate_timestamps=Off)
0.1.3 2013-03-30 show host and php version, can bookmark with hashtag ie. #statistics - needs new layout asap
0.1.2 2013-03-25 show optimization levels, number formatting, support for start_time in 7.0.2
0.1.1 2013-03-18 today Zend completely renamed Optimizer+ to OPcache, adjusted OCP to keep working
0.1.0 2013-03-17 added group/sort indicators, replaced "accelerator_" functions with "opcache_"
0.0.6 2013-03-16 transition support as Zend renames product and functions for PHP 5.5 (stasilok)
0.0.5 2013-03-10 added refresh button (GK)
0.0.4 2013-02-18 added file grouping and sorting (click on headers) - code needs cleanup but gets the job done
0.0.2 2013-02-14 first public release
* known problems/limitations:
Unlike APC, the Zend OPcache API
- cannot determine when a file was put into the cache
- cannot change settings on the fly
- cannot protect opcache functions by restricting execution to only specific scripts/paths
* todo:
Extract variables for prefered ordering and better layout instead of just dumping into tables
File list filter
*/
// ini_set(\'display_errors\',1); error_reporting(-1);
if ( count(get_included_files())>1 || php_sapi_name()==\'cli\' || empty($_SERVER[\'REMOTE_ADDR\']) ) { die; } // weak block against indirect access
$time=time();
define(\'CACHEPREFIX\',function_exists(\'opcache_reset\')?\'opcache_\':(function_exists(\'accelerator_reset\')?\'accelerator_\':\'\'));
if ( !empty($_GET[\'RESET\']) ) {
if ( function_exists(CACHEPREFIX.\'reset\') ) { call_user_func(CACHEPREFIX.\'reset\'); }
header( \'Location: \'.str_replace(\'?\'.$_SERVER[\'QUERY_STRING\'],\'\',$_SERVER[\'REQUEST_URI\']) );
exit;
}
if ( !empty($_GET[\'RECHECK\']) ) {
if ( function_exists(CACHEPREFIX.\'invalidate\') ) {
$recheck=trim($_GET[\'RECHECK\']); $files=call_user_func(CACHEPREFIX.\'get_status\');
if (!empty($files[\'scripts\'])) {
foreach ($files[\'scripts\'] as $file=>$value) {
if ( $recheck===\'1\' || strpos($file,$recheck)===0 ) call_user_func(CACHEPREFIX.\'invalidate\',$file);
}
}
header( \'Location: \'.str_replace(\'?\'.$_SERVER[\'QUERY_STRING\'],\'\',$_SERVER[\'REQUEST_URI\']) );
} else { echo \'Sorry, this feature requires Zend Opcache newer than April 8th 2013\'; }
exit;
}
?><!DOCTYPE html>
<html>
<head>
<title>OCP - Opcache Control Panel</title>
<meta name="ROBOTS" content="NOINDEX,NOFOLLOW,NOARCHIVE" />
<style type="text/css">
body {#fff; color: #000;}
body, td, th, h1, h2 {font-family: sans-serif;}
pre {margin: 0px; font-family: monospace;}
a:link,a:visited {color: #000099; text-decoration: none;}
a:hover {text-decoration: underline;}
table {border-collapse: collapse; width: 600px; }
.center {text-align: center;}
.center table { margin-left: auto; margin-right: auto; text-align: left;}
.center th { text-align: center !important; }
.middle {vertical-align:middle;}
td, th { border: 1px solid #000; font-size: 75%; vertical-align: baseline; padding: 3px; }
h1 {font-size: 150%;}
h2 {font-size: 125%;}
.p {text-align: left;}
.e {background-color: #ccccff; font-weight: bold; color: #000; width:50%; white-space:nowrap;}
.h {background-color: #9999cc; font-weight: bold; color: #000;}
.v {background-color: #cccccc; color: #000;}
.vr {background-color: #cccccc; text-align: right; color: #000; white-space: nowrap;}
.b {font-weight:bold;}
.white, .white a {color:#fff;}
img {float: right; border: 0px;}
hr {width: 600px; background-color: #cccccc; border: 0px; height: 1px; color: #000;}
.meta, .small {font-size: 75%; }
.meta {margin: 2em 0;}
.meta a, th a {padding: 10px; white-space:nowrap; }
.buttons {margin:0 0 1em;}
.buttons a {margin:0 15px; background-color: #9999cc; color:#fff; text-decoration:none; padding:1px; border:1px solid #000; display:inline-block; width:5em; text-align:center;}
#files td.v a {font-weight:bold; color:#9999cc; margin:0 10px 0 5px; text-decoration:none; font-size:120%;}
#files td.v a:hover {font-weight:bold; color:#ee0000;}
.graph {display:inline-block; width:145px; margin:1em 0 1em 1px; border:0; vertical-align:top;}
.graph table {width:100%; height:150px; border:0; padding:0; margin:5px 0 0 0; position:relative;}
.graph td {vertical-align:middle; border:0; padding:0 0 0 5px;}
.graph .bar {width:25px; text-align:right; padding:0 2px; color:#fff;}
.graph .total {width:34px; text-align:center; padding:0 5px 0 0;}
.graph .total div {border:1px dashed #888; border-right:0; height:99%; width:12px; position:absolute; bottom:0; left:17px; z-index:-1;}
.graph .total span {background:#fff; font-weight:bold;}
.graph .actual {text-align:right; font-weight:bold; padding:0 5px 0 0;}
.graph .red {background:#ee0000;}
.graph .green {background:#00cc00;}
.graph .brown {background:#8B4513;}
</style>
<!--[if lt IE 9]><script type="text/javascript" defer="defer">
window.onload=function(){var i,t=document.getElementsByTagName(\'table\');for(i=0;i<t.length;i++){if(t[i].parentNode.className==\'graph\')t[i].style.height=150-(t[i].clientHeight-150)+\'px\';}}
</script><![endif]-->
</head>
<body>
<div class="center">
<h1><a href="?">Opcache Control Panel</a></h1>
<div class="buttons">
<a href="?ALL=1">Details</a>
<a href="?FILES=1&GROUP=2&SORT=3">Files</a>
<a href="?RESET=1" onclick="return confirm(\'RESET cache ?\')">Reset</a>
<?php if ( function_exists(CACHEPREFIX.\'invalidate\') ) { ?>
<a href="?RECHECK=1" onclick="return confirm(\'Recheck all files in the cache ?\')">Recheck</a>
<?php } ?>
<a href="?" onclick="window.location.reload(true); return false">Refresh</a>
</div>
<?php
if ( !function_exists(CACHEPREFIX.\'get_status\') ) { echo \'<h2>Opcache not detected?</h2>\'; die; }
if ( !empty($_GET[\'FILES\']) ) { echo \'<h2>files cached</h2>\'; files_display(); echo \'</div></body></html>\'; exit; }
if ( !(isset($_REQUEST[\'GRAPHS\']) && !$_REQUEST[\'GRAPHS\']) && CACHEPREFIX==\'opcache_\') { graphs_display(); if ( !empty($_REQUEST[\'GRAPHS\']) ) { exit; } }
ob_start(); phpinfo(8); $phpinfo = ob_get_contents(); ob_end_clean(); // some info is only available via phpinfo? sadly buffering capture has to be used
if ( !preg_match( \'/module\_Zend (Optimizer\+|OPcache).+?(\<table[^>]*\>.+?\<\/table\>).+?(\<table[^>]*\>.+?\<\/table\>)/s\', $phpinfo, $opcache) ) { } // todo
if ( function_exists(CACHEPREFIX.\'get_configuration\') ) { echo \'<h2>general</h2>\'; $configuration=call_user_func(CACHEPREFIX.\'get_configuration\'); }
$host=function_exists(\'gethostname\')?@gethostname():@php_uname(\'n\'); if (empty($host)) { $host=empty($_SERVER[\'SERVER_NAME\'])?$_SERVER[\'HOST_NAME\']:$_SERVER[\'SERVER_NAME\']; }
$version=array(\'Host\'=>$host);
$version[\'PHP Version\']=\'PHP \'.(defined(\'PHP_VERSION\')?PHP_VERSION:\'???\').\' \'.(defined(\'PHP_SAPI\')?PHP_SAPI:\'\').\' \'.(defined(\'PHP_OS\')?\' \'.PHP_OS:\'\');
$version[\'Opcache Version\']=empty($configuration[\'version\'][\'version\'])?\'???\':$configuration[\'version\'][CACHEPREFIX.\'product_name\'].\' \'.$configuration[\'version\'][\'version\'];
print_table($version);
if ( !empty($opcache[2]) ) { echo preg_replace(\'/\<tr\>\<td class\="e"\>[^>]+\<\/td\>\<td class\="v"\>[0-9\,\. ]+\<\/td\>\<\/tr\>/\',\'\',$opcache[2]); }
if ( function_exists(CACHEPREFIX.\'get_status\') && $status=call_user_func(CACHEPREFIX.\'get_status\') ) {
$uptime=array();
if ( !empty($status[CACHEPREFIX.\'statistics\'][\'start_time\']) ) {
$uptime[\'uptime\']=time_since($time,$status[CACHEPREFIX.\'statistics\'][\'start_time\'],1,\'\');
}
if ( !empty($status[CACHEPREFIX.\'statistics\'][\'last_restart_time\']) ) {
$uptime[\'last_restart\']=time_since($time,$status[CACHEPREFIX.\'statistics\'][\'last_restart_time\']);
}
if (!empty($uptime)) {print_table($uptime);}
if ( !empty($status[\'cache_full\']) ) { $status[\'memory_usage\'][\'cache_full\']=$status[\'cache_full\']; }
echo \'<h2 id="memory">memory</h2>\';
print_table($status[\'memory_usage\']);
unset($status[CACHEPREFIX.\'statistics\'][\'start_time\'],$status[CACHEPREFIX.\'statistics\'][\'last_restart_time\']);
echo \'<h2 id="statistics">statistics</h2>\';
print_table($status[CACHEPREFIX.\'statistics\']);
}
if ( empty($_GET[\'ALL\']) ) { meta_display(); exit; }
if ( !empty($configuration[\'blacklist\']) ) { echo \'<h2 id="blacklist">blacklist</h2>\'; print_table($configuration[\'blacklist\']); }
if ( !empty($opcache[3]) ) { echo \'<h2 id="runtime">runtime</h2>\'; echo $opcache[3]; }
$name=\'zend opcache\'; $functions=get_extension_funcs($name);
if (!$functions) { $name=\'zend optimizer+\'; $functions=get_extension_funcs($name); }
if ($functions) { echo \'<h2 id="functions">functions</h2>\'; print_table($functions); } else { $name=\'\'; }
$level=trim(CACHEPREFIX,\'_\').\'.optimization_level\';
if (isset($configuration[\'directives\'][$level])) {
echo \'<h2 id="optimization">optimization levels</h2>\';
$levelset=strrev(base_convert($configuration[\'directives\'][$level], 10, 2));
$levels=array(
1=>\'<a href="http://wikipedia.org/wiki/Common_subexpression_elimination">Constants subexpressions elimination</a> (CSE) true, false, null, etc.<br />Optimize series of ADD_STRING / ADD_CHAR<br />Convert CAST(IS_BOOL,x) into BOOL(x)<br />Convert <a href="http://www.php.net/manual/internals2.opcodes.init-fcall-by-name.php">INIT_FCALL_BY_NAME</a> + <a href="http://www.php.net/manual/internals2.opcodes.do-fcall-by-name.php">DO_FCALL_BY_NAME</a> into <a href="http://www.php.net/manual/internals2.opcodes.do-fcall.php">DO_FCALL</a>\',
2=>\'Convert constant operands to expected types<br />Convert conditional <a href="http://php.net/manual/internals2.opcodes.jmp.php">JMP</a> with constant operands<br />Optimize static <a href="http://php.net/manual/internals2.opcodes.brk.php">BRK</a> and <a href="<a href="http://php.net/manual/internals2.opcodes.cont.php">CONT</a>\',
3=>\'Convert $a = $a + expr into $a += expr<br />Convert $a++ into ++$a<br />Optimize series of <a href="http://php.net/manual/internals2.opcodes.jmp.php">JMP</a>\',
4=>\'PRINT and ECHO optimization (<a href="https://github.com/zend-dev/ZendOptimizerPlus/issues/73">defunct</a>)\',
5=>\'Block Optimization - most expensive pass<br />Performs many different optimization patterns based on <a href="http://wikipedia.org/wiki/Control_flow_graph">control flow graph</a> (CFG)\',
9=>\'Optimize <a href="http://wikipedia.org/wiki/Register_allocation">register allocation</a> (allows re-usage of temporary variables)\',
10=>\'Remove NOPs\'
);
echo \'<table width="600" border="0" cellpadding="3"><tbody><tr class="h"><th>Pass</th><th>Description</th></tr>\';
foreach ($levels as $pass=>$description) {
$disabled=substr($levelset,$pass-1,1)!==\'1\' || $pass==4 ? \' white\':\'\';
echo \'<tr><td class="v center middle\'.$disabled.\'">\'.$pass.\'</td><td class="v\'.$disabled.\'">\'.$description.\'</td></tr>\';
}
echo \'</table>\';
}
if ( isset($_GET[\'DUMP\']) ) {
if ($name) { echo \'<h2 id="ini">ini</h2>\'; print_table(ini_get_all($name,true)); }
foreach ($configuration as $key=>$value) { echo \'<h2>\',$key,\'</h2>\'; print_table($configuration[$key]); }
exit;
}
meta_display();
echo \'</div></body></html>\';
exit;
function time_since($time,$original,$extended=0,$text=\'ago\') {
$time = $time - $original;
$day = $extended? floor($time/86400) : round($time/86400,0);
$amount=0; $unit=\'\';
if ( $time < 86400) {
if ( $time < 60) { $amount=$time; $unit=\'second\'; }
elseif ( $time < 3600) { $amount=floor($time/60); $unit=\'minute\'; }
else { $amount=floor($time/3600); $unit=\'hour\'; }
}
elseif ( $day < 14) { $amount=$day; $unit=\'day\'; }
elseif ( $day < 56) { $amount=floor($day/7); $unit=\'week\'; }
elseif ( $day < 672) { $amount=floor($day/30); $unit=\'month\'; }
else { $amount=intval(2*($day/365))/2; $unit=\'year\'; }
if ( $amount!=1) {$unit.=\'s\';}
if ($extended && $time>60) { $text=\' and \'.time_since($time,$time<86400?($time<3600?$amount*60:$amount*3600):$day*86400,0,\'\').$text; }
return $amount.\' \'.$unit.\' \'.$text;
}
function print_table($array,$headers=false) {
if ( empty($array) || !is_array($array) ) {return;}
echo \'<table border="0" cellpadding="3" width="600">\';
if (!empty($headers)) {
if (!is_array($headers)) {$headers=array_keys(reset($array));}
echo \'<tr class="h">\';
foreach ($headers as $value) { echo \'<th>\',$value,\'</th>\'; }
echo \'</tr>\';
}
foreach ($array as $key=>$value) {
echo \'<tr>\';
if ( !is_numeric($key) ) {
$key=ucwords(str_replace(\'_\',\' \',$key));
echo \'<td class="e">\',$key,\'</td>\';
if ( is_numeric($value) ) {
if ( $value>1048576) { $value=round($value/1048576,1).\'M\'; }
elseif ( is_float($value) ) { $value=round($value,1); }
}
}
if ( is_array($value) ) {
foreach ($value as $column) {
echo \'<td class="v">\',$column,\'</td>\';
}
echo \'</tr>\';
}
else { echo \'<td class="v">\',$value,\'</td></tr>\'; }
}
echo \'</table>\';
}
function files_display() {
$status=call_user_func(CACHEPREFIX.\'get_status\');
if ( empty($status[\'scripts\']) ) {return;}
if ( isset($_GET[\'DUMP\']) ) { print_table($status[\'scripts\']); exit;}
$time=time(); $sort=0;
$nogroup=preg_replace(\'/\&?GROUP\=[\-0-9]+/\',\'\',$_SERVER[\'REQUEST_URI\']);
$nosort=preg_replace(\'/\&?SORT\=[\-0-9]+/\',\'\',$_SERVER[\'REQUEST_URI\']);
$group=empty($_GET[\'GROUP\'])?0:intval($_GET[\'GROUP\']); if ( $group<0 || $group>9) { $group=1;}
$groupset=array_fill(0,9,\'\'); $groupset[$group]=\' class="b" \';
echo \'<div class="meta">
<a \',$groupset[0],\'href="\',$nogroup,\'">ungroup</a> |
<a \',$groupset[1],\'href="\',$nogroup,\'&GROUP=1">1</a> |
<a \',$groupset[2],\'href="\',$nogroup,\'&GROUP=2">2</a> |
<a \',$groupset[3],\'href="\',$nogroup,\'&GROUP=3">3</a> |
<a \',$groupset[4],\'href="\',$nogroup,\'&GROUP=4">4</a> |
<a \',$groupset[5],\'href="\',$nogroup,\'&GROUP=5">5</a>
</div>\';
if ( !$group ) { $files =& $status[\'scripts\']; }
else {
$files=array();
foreach ($status[\'scripts\'] as $data) {
if ( preg_match(\'@^[/]([^/]+[/]){\'.$group.\'}@\',$data[\'full_path\'],$path) ) {
if ( empty($files[$path[0]])) { $files[$path[0]]=array(\'full_path\'=>\'\',\'files\'=>0,\'hits\'=>0,\'memory_consumption\'=>0,\'last_used_timestamp\'=>\'\',\'timestamp\'=>\'\'); }
$files[$path[0]][\'full_path\']=$path[0];
$files[$path[0]][\'files\']++;
$files[$path[0]][\'memory_consumption\']+=$data[\'memory_consumption\'];
$files[$path[0]][\'hits\']+=$data[\'hits\'];
if ( $data[\'last_used_timestamp\']>$files[$path[0]][\'last_used_timestamp\']) {$files[$path[0]][\'last_used_timestamp\']=$data[\'last_used_timestamp\'];}
if ( $data[\'timestamp\']>$files[$path[0]][\'timestamp\']) {$files[$path[0]][\'timestamp\']=$data[\'timestamp\'];}
}
}
}
if ( !empty($_GET[\'SORT\']) ) {
$keys=array(
\'full_path\'=>SORT_STRING,
\'files\'=>SORT_NUMERIC,
\'memory_consumption\'=>SORT_NUMERIC,
\'hits\'=>SORT_NUMERIC,
\'last_used_timestamp\'=>SORT_NUMERIC,
\'timestamp\'=>SORT_NUMERIC
);
$titles=array(\'\',\'path\',$group?\'files\':\'\',\'size\',\'hits\',\'last used\',\'created\');
$offsets=array_keys($keys);
$key=intval($_GET[\'SORT\']);
$direction=$key>0?1:-1;
$key=abs($key)-1;
$key=isset($offsets[$key])&&!($key==1&&empty($group))?$offsets[$key]:reset($offsets);
$sort=array_search($key,$offsets)+1;
$sortflip=range(0,7); $sortflip[$sort]=-$direction*$sort;
if ( $keys[$key]==SORT_STRING) {$direction=-$direction; }
$arrow=array_fill(0,7,\'\'); $arrow[$sort]=$direction>0?\' ▼\':\' ▲\';
$direction=$direction>0?SORT_DESC:SORT_ASC;
$column=array(); foreach ($files as $data) { $column[]=$data[$key]; }
array_multisort($column, $keys[$key], $direction, $files);
}
echo \'<table border="0" cellpadding="3" width="960" id="files">
<tr class="h">\';
foreach ($titles as $column=>$title) {
if ($title) echo \'<th><a href="\',$nosort,\'&SORT=\',$sortflip[$column],\'">\',$title,$arrow[$column],\'</a></th>\';
}
echo \' </tr>\';
foreach ($files as $data) {
echo \'<tr>
<td class="v" nowrap><a title="recheck" href="?RECHECK=\',rawurlencode($data[\'full_path\']),\'">x</a>\',$data[\'full_path\'],\'</td>\',
($group?\'<td class="vr">\'.number_format($data[\'files\']).\'</td>\':\'\'),
\'<td class="vr">\',number_format(round($data[\'memory_consumption\']/1024)),\'K</td>\',
\'<td class="vr">\',number_format($data[\'hits\']),\'</td>\',
\'<td class="vr">\',time_since($time,$data[\'last_used_timestamp\']),\'</td>\',

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