mirror of
https://github.com/YunoHost-Apps/limesurvey_ynh.git
synced 2024-09-03 19:36:32 +02:00
76 lines
No EOL
2.5 KiB
PHP
76 lines
No EOL
2.5 KiB
PHP
<?php
|
|
/**
|
|
* YiiBase class file.
|
|
*
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
* @link http://www.yiiframework.com/
|
|
* @copyright 2008-2013 Yii Software LLC
|
|
* @license http://www.yiiframework.com/license/
|
|
*/
|
|
|
|
|
|
/**
|
|
* CChoiceFormat is a helper that chooses an appropriate message based on the specified number value.
|
|
* The candidate messages are given as a string in the following format:
|
|
* <pre>
|
|
* 'expr1#message1|expr2#message2|expr3#message3'
|
|
* </pre>
|
|
* where each expression should be a valid PHP expression with <code>'n'</code> as the only variable.
|
|
* For example, <code>'n==1'</code> and <code>'n%10==2 && n>10'</code> are both valid expressions.
|
|
* The variable <code>'n'</code> will take the given number value, and if an expression evaluates true,
|
|
* the corresponding message will be returned.
|
|
*
|
|
* For example, given the candidate messages <code>'n==1#one|n==2#two|n>2#others'</code> and
|
|
* the number value 2, the resulting message will be <code>'two'</code>.
|
|
*
|
|
* For expressions like <code>'n==1'</code>, we can also use a shortcut <code>'1'</code>. So the above example
|
|
* candidate messages can be simplified as <code>'1#one|2#two|n>2#others'</code>.
|
|
*
|
|
* In case the given number doesn't select any message, the last candidate message
|
|
* will be returned.
|
|
*
|
|
* The PHP expressions will be evaluated using {@link evaluate}.
|
|
*
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
* @package system.i18n
|
|
*/
|
|
class CChoiceFormat
|
|
{
|
|
/**
|
|
* Formats a message according to the specified number value.
|
|
* @param string $messages the candidate messages in the format of 'expr1#message1|expr2#message2|expr3#message3'.
|
|
* See {@link CChoiceFormat} for more details.
|
|
* @param mixed $number the number value
|
|
* @return string the selected message
|
|
*/
|
|
public static function format($messages, $number)
|
|
{
|
|
$n=preg_match_all('/\s*([^#]*)\s*#([^\|]*)\|/',$messages.'|',$matches);
|
|
if($n===0)
|
|
return $messages;
|
|
for($i=0;$i<$n;++$i)
|
|
{
|
|
$expression=$matches[1][$i];
|
|
$message=$matches[2][$i];
|
|
if($expression===(string)(int)$expression)
|
|
{
|
|
if($expression==$number)
|
|
return $message;
|
|
}
|
|
elseif(self::evaluate(str_replace('n','$n',$expression),$number))
|
|
return $message;
|
|
}
|
|
return $message; // return the last choice
|
|
}
|
|
|
|
/**
|
|
* Evaluates a PHP expression with the given number value.
|
|
* @param string $expression the PHP expression
|
|
* @param mixed $n the number value
|
|
* @return boolean the expression result
|
|
*/
|
|
protected static function evaluate($expression,$n)
|
|
{
|
|
return @eval("return $expression;");
|
|
}
|
|
} |