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Re-use timezone offset parsing

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This commit is contained in:
Michael Yoo 2014-10-05 01:43:33 +09:30
parent eeda22d0ba
commit e0a7944faa
1 changed files with 43 additions and 64 deletions
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107
src/pocketmine/PocketMine.php
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@ -164,8 +164,7 @@ namespace pocketmine {
} }
} }
function detect_system_timezone() function detect_system_timezone(){
{
switch(Utils::getOS()){ switch(Utils::getOS()){
case 'win': case 'win':
$regex = '/(?:Time Zone:\s*\()(UTC)(\+*\-*\d*\d*\:*\d*\d*)(?:\))/'; $regex = '/(?:Time Zone:\s*\()(UTC)(\+*\-*\d*\d*\:*\d*\d*)(?:\))/';
@ -181,37 +180,9 @@ namespace pocketmine {
if($offset == ""){ if($offset == ""){
return "UTC"; return "UTC";
}else{
//Make signed offsets unsigned for date_parse
if(strpos($offset, '-') !== false){
$negative_offset = true;
$offset = str_replace('-', '', $offset);
}else if(strpos($offset, '+') !== false){
$negative_offset = false;
$offset = str_replace('+', '', $offset);
}else{
return false;
}
$parsed = date_parse($offset);
$offset = $parsed['hour'] * 3600 + $parsed['minute'] * 60 + $parsed['second'];
//After date_parse is done, put the sign back
if($negative_offset == true){
$offset = -abs($offset);
}
//And then, look the offset up.
//timezone_name_from_abbr is not used because it returns false on some(most) offsets because it's mapping function is weird.
//That's been a bug in PHP since 2008!
foreach(timezone_abbreviations_list() as $zones){
foreach($zones as $timezone){
if($timezone['offset'] == $offset){
return $timezone['timezone_id'];
}
}
}
} }
return parse_offset($offset);
break; break;
case 'linux': case 'linux':
// Ubuntu / Debian. // Ubuntu / Debian.
@ -236,44 +207,14 @@ namespace pocketmine {
if($offset == "+00:00"){ if($offset == "+00:00"){
return "UTC"; return "UTC";
}else{
//Make signed offsets unsigned for date_parse
if(strpos($offset, '-') !== false){
$negative_offset = true;
$offset = str_replace('-', '', $offset);
}else if(strpos($offset, '+') !== false){
$negative_offset = false;
$offset = str_replace('+', '', $offset);
}else{
return false;
}
$parsed = date_parse($offset);
$offset = $parsed['hour'] * 3600 + $parsed['minute'] * 60 + $parsed['second'];
//After date_parse is done, put the sign back
if($negative_offset == true){
$offset = -abs($offset);
}
//And then, look the offset up.
//timezone_name_from_abbr is not used because it returns false on some(most) offsets because it's mapping function is weird.
//That's been a bug in PHP since 2008!
foreach(timezone_abbreviations_list() as $zones){
foreach($zones as $timezone){
if($timezone['offset'] == $offset){
return $timezone['timezone_id'];
}
}
}
} }
return false; return parse_offset($offset);
break; break;
case 'mac': case 'mac':
if(is_link('/etc/localtime')){ if(is_link('/etc/localtime')){
$filename = readlink('/etc/localtime'); $filename = readlink('/etc/localtime');
if (strpos($filename, '/usr/share/zoneinfo/') === 0){ if(strpos($filename, '/usr/share/zoneinfo/') === 0){
$timezone = substr($filename, 20); $timezone = substr($filename, 20);
return $timezone; return $timezone;
} }
@ -285,6 +226,44 @@ namespace pocketmine {
return false; return false;
break; break;
} }
}
/**
* @param string $offset In the format of +09:00, +02:00, -04:00 etc.
* @return string
*/
function parse_offset($offset){
//Make signed offsets unsigned for date_parse
if(strpos($offset, '-') !== false){
$negative_offset = true;
$offset = str_replace('-', '', $offset);
}else{
if(strpos($offset, '+') !== false){
$negative_offset = false;
$offset = str_replace('+', '', $offset);
}else{
return false;
}
}
$parsed = date_parse($offset);
$offset = $parsed['hour'] * 3600 + $parsed['minute'] * 60 + $parsed['second'];
//After date_parse is done, put the sign back
if($negative_offset == true){
$offset = -abs($offset);
}
//And then, look the offset up.
//timezone_name_from_abbr is not used because it returns false on some(most) offsets because it's mapping function is weird.
//That's been a bug in PHP since 2008!
foreach(timezone_abbreviations_list() as $zones){
foreach($zones as $timezone){
if($timezone['offset'] == $offset){
return $timezone['timezone_id'];
}
}
}
return false; return false;
} }