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ampache/lib/general.lib.php
Paul 'flowerysong' Arthur 63031fb6c1 Use a function to format bytes -> human-readable sizes. Also bump catalog build
memory profiling logging to level 5; fixes FS#141.
2010-10-15 19:16:42 +00:00

307 lines
8.8 KiB
PHP

<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/*
Copyright (c) Ampache.org
All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License v2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* set_memory_limit
* This function attempts to change the php memory limit using init_set.
* Will never reduce it below the current setting.
*/
function set_memory_limit($new_limit) {
$current_memory = ini_get('memory_limit');
$current_memory = substr($current_memory,0,strlen($current_memory)-1);
if ($current_memory < $new_limit) {
$php_memory = $new_limit . "M";
ini_set (memory_limit, "$php_memory");
unset($php_memory);
}
} // set_memory_limit
/**
* generate_password
* This generates a random password of the specified length
*/
function generate_password($length) {
$vowels = 'aAeEuUyY12345';
$consonants = 'bBdDgGhHjJmMnNpPqQrRsStTvVwWxXzZ6789';
$password = '';
$alt = time() % 2;
for ($i = 0; $i < $length; $i++) {
if ($alt == 1) {
$password .= $consonants[(rand(0,strlen($consonants)-1))];
$alt = 0;
}
else {
$password .= $vowels[(rand(0,strlen($vowels)-1))];
$alt = 1;
}
}
return $password;
} // generate_password
/**
* scrub_in
* Run on inputs, stuff that might get stuck in our db
*/
function scrub_in($input) {
if (!is_array($input)) {
return stripslashes(htmlspecialchars(strip_tags($input)));
}
else {
$results = array();
foreach($input as $item) {
$results[] = scrub_in($item);
}
return $results;
}
} // scrub_in
/**
* scrub_out
* This function is used to escape user data that is getting redisplayed
* onto the page, it htmlentities the mojo
*/
function scrub_out($string) {
//This feature has been DEPRECATED as of PHP 5.3.0
if(version_compare(PHP_VERSION, '5.3.0', '<=') AND ini_get('magic_quotes_gpc') != 'Off') {
$string = stripslashes($string);
}
$string = htmlentities($string, ENT_QUOTES, Config::get('site_charset'));
return $string;
} // scrub_out
/**
* unhtmlentities
* Undoes htmlentities()
*/
function unhtmlentities($string) {
return html_entity_decode($string, ENT_QUOTES, Config::get('site_charset'));
} //unhtmlentities
/**
* format_bytes
* Turns a size in bytes into a human-readable value
*/
function format_bytes($value, $precision = 2) {
$divided = 0;
while (strlen(floor($value)) > 3) {
$value = ($value / 1024);
$divided++;
}
switch ($divided) {
case 1: $unit = 'kB'; break;
case 2: $unit = 'MB'; break;
case 3: $unit = 'GB'; break;
case 4: $unit = 'TB'; break;
case 5: $unit = 'PB'; break;
default: $unit = 'B'; break;
} // end switch
return round($value, $precision) . ' ' . $unit;
}
/**
* make_bool
* This takes a value and returns what we consider to be the correct boolean
* value. We need a special function because PHP considers "false" to be true.
* @package General
*/
function make_bool($string) {
if (strcasecmp($string,'false') == 0) {
return false;
}
return (bool)$string;
} // make_bool
/**
* invert_bool
* This returns the opposite of what you've got
*/
function invert_bool($value) {
return make_bool($value) ? false : true;
} // invert_bool
/**
* get_languages
* This function does a dir of ./locale and pulls the names of the
* different languages installed, this means that all you have to do
* is drop one in and it will show up on the context menu. It returns
* in the form of an array of names
*/
function get_languages() {
/* Open the locale directory */
$handle = @opendir(Config::get('prefix') . '/locale');
if (!is_resource($handle)) {
debug_event('language','Error unable to open locale directory','1');
}
$results = array();
/* Prepend English */
$results['en_US'] = 'English (US)';
while ($file = readdir($handle)) {
$full_file = Config::get('prefix') . '/locale/' . $file;
/* Check to see if it's a directory */
if (is_dir($full_file) AND substr($file,0,1) != '.' AND $file != 'base') {
switch($file) {
case 'af_ZA'; $name = 'Afrikaans'; break; /* Afrikaans */
case 'ca_ES'; $name = 'Catal&#224;'; break; /* Catalan */
case 'cs_CZ'; $name = '&#x010c;esky'; break; /* Czech */
case 'da_DK'; $name = 'Dansk'; break; /* Danish */
case 'de_DE'; $name = 'Deutsch'; break; /* German */
case 'en_US'; $name = 'English (US)'; break; /* English */
case 'en_GB'; $name = 'English (UK)'; break; /* English */
case 'es_ES'; $name = 'Espa&#241;ol'; break; /* Spanish */
case 'es_MX'; $name = 'Espa&#241;ol (MX)'; break; /* Spanish */
case 'es_AR'; $name = 'Espa&#241;ol (AR)'; break; /* Spanish */
case 'et_EE'; $name = 'Eesti'; break; /* Estonian */
case 'eu_ES'; $name = 'Euskara'; break; /* Basque */
case 'fr_FR'; $name = 'Fran&#231;ais'; break; /* French */
case 'ga_IE'; $name = 'Gaeilge'; break; /* Irish */
case 'el_GR'; $name = 'Greek'; break; /* Greek */
case 'is_IS'; $name = 'Icelandic'; break; /* Icelandic */
case 'it_IT'; $name = 'Italiano'; break; /* Italian */
case 'lv_LV'; $name = 'Latvie&#353;u'; break; /* Latvian */
case 'lt_LT'; $name = 'Lietuvi&#371;'; break; /* Lithuanian */
case 'hu_HU'; $name = 'Magyar'; break; /* Hungarian */
case 'nl_NL'; $name = 'Nederlands'; break; /* Dutch */
case 'no_NO'; $name = 'Norsk bokm&#229;l'; break; /* Norwegian */
case 'pl_PL'; $name = 'Polski'; break; /* Polish */
case 'pt_BR'; $name = 'Portugu&#234;s Brasileiro'; break; /* Portuguese */
case 'pt_PT'; $name = 'Portugu&#234;s'; break; /* Portuguese */
case 'ro_RO'; $name = 'Rom&#226;n&#259;'; break; /* Romanian */
case 'sk_SK'; $name = 'Sloven&#269;ina'; break; /* Slovak */
case 'sl_SI'; $name = 'Sloven&#353;&#269;ina'; break; /* Slovenian */
case 'sr_CS'; $name = 'Srpski'; break; /* Serbian */
case 'fi_FI'; $name = 'Suomi'; break; /* Finnish */
case 'sv_SE'; $name = 'Svenska'; break; /* Swedish */
case 'uk_UA'; $name = 'Українська'; break; /* Ukrainian */
case 'vi_VN'; $name = 'Ti&#7871;ng Vi&#7879;t'; break; /* Vietnamese */
case 'tr_TR'; $name = 'T&#252;rk&#231;e'; break; /* Turkish */
case 'bg_BG'; $name = '&#x0411;&#x044a;&#x043b;&#x0433;&#x0430;&#x0440;&#x0441;&#x043a;&#x0438;'; break; /* Bulgarian */
case 'ru_RU'; $name = '&#1056;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;'; break; /* Russian */
case 'zh_CN'; $name = '&#31616;&#20307;&#20013;&#25991;'; break; /* Chinese */
case 'zn_TW'; $name = '&#32321;&#39636;&#20013;&#25991;'; break; /* Chinese */
case 'ko_KR'; $name = '&#xd55c;&#xad6d;&#xb9d0;'; break; /* Korean */
case 'ja_JP'; $name = '&#x65e5;&#x672c;&#x8a9e;'; break; /* Japanese */
case 'nb_NO'; $name = 'Norsk'; break; /* Norwegian */
/* These languages are right to left. */
case 'ar_SA'; $name = '&#1575;&#1604;&#1593;&#1585;&#1576;&#1610;&#1577;'; break; /* Arabic */
case 'he_IL'; $name = '&#1506;&#1489;&#1512;&#1497;&#1514;'; break; /* Hebrew */
case 'fa_IR'; $name = '&#1601;&#1575;&#1585;&#1587;&#1610;'; break; /* Farsi */
default: $name = _('Unknown'); break;
} // end switch
$results[$file] = $name;
}
} // end while
return $results;
} // get_languages
/**
* is_rtl
* This checks whether to be a rtl language.
*/
function is_rtl($locale) {
return in_array($locale, array("he_IL", "fa_IR", "ar_SA"));
}
/**
* translate_pattern_code
* This just contains a keyed array which it checks against to give you the
* 'tag' name that said pattern code corrasponds to. It returns false if nothing
* is found.
*/
function translate_pattern_code($code) {
$code_array = array('%A'=>'album',
'%a'=>'artist',
'%c'=>'comment',
'%g'=>'genre',
'%T'=>'track',
'%t'=>'title',
'%y'=>'year',
'%o'=>'zz_other');
if (isset($code_array[$code])) {
return $code_array[$code];
}
return false;
} // translate_pattern_code
/**
* __autoload
* This function automatically loads any missing classes as they are needed so
* that we don't use a million include statements which load more than we need.
*/
function __autoload($class) {
// Lowercase the class
$class = strtolower($class);
$file = Config::get('prefix') . "/lib/class/$class.class.php";
// See if it exists
if (is_readable($file)) {
require_once $file;
if (is_callable($class . '::_auto_init')) {
call_user_func(array($class, '_auto_init'));
}
}
// Else log this as a fatal error
else {
debug_event('__autoload', "'$class' not found!",'1');
}
} // __autoload
?>