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added comments for the lang class.

This commit is contained in:
Taylor Otwell 2011-09-21 23:53:52 -05:00
parent 7463c522f9
commit 2edd8d8554
1 changed files with 12 additions and 8 deletions
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20
laravel/lang.php
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@ -1,4 +1,4 @@
<?php namespace Laravel; <?php namespace Laravel; use Closure;
class Lang { class Lang {
@ -103,13 +103,14 @@ public static function line($key, $replacements = array(), $language = null, $pa
*/ */
public function get($language = null, $default = null) public function get($language = null, $default = null)
{ {
// If a language was passed to the method, we will let it override the default
if ( ! is_null($language)) $this->language = $language; if ( ! is_null($language)) $this->language = $language;
list($file, $line) = $this->parse($this->key); list($file, $line) = $this->parse($this->key);
if ( ! $this->load($file)) if ( ! $this->load($file))
{ {
return ($default instanceof \Closure) ? call_user_func($default) : $default; return ($default instanceof Closure) ? call_user_func($default) : $default;
} }
$line = Arr::get(static::$lines[$this->language.$file], $line, $default); $line = Arr::get(static::$lines[$this->language.$file], $line, $default);
@ -123,7 +124,7 @@ public function get($language = null, $default = null)
} }
/** /**
* Parse a language key. * Parse a language key into its file and line segments.
* *
* @param string $key * @param string $key
* @return array * @return array
@ -139,7 +140,7 @@ protected function parse($key)
} }
/** /**
* Load a language file. * Load all of the language lines from a language file.
* *
* @param string $file * @param string $file
* @return bool * @return bool
@ -150,6 +151,9 @@ protected function load($file)
$language = array(); $language = array();
// Language files cascade. Typically, the system language array is loaded first,
// followed by the application array. This allows the convenient overriding of the
// system language files (like validation) by the application developer.
foreach ($this->paths as $directory) foreach ($this->paths as $directory)
{ {
if (file_exists($path = $directory.$this->language.'/'.$file.EXT)) if (file_exists($path = $directory.$this->language.'/'.$file.EXT))
@ -158,6 +162,9 @@ protected function load($file)
} }
} }
// If language lines were actually found, they will be loaded into the array
// containing all of the lines for all languages and files. The array is
// keyed by the language and the file name.
if (count($language) > 0) static::$lines[$this->language.$file] = $language; if (count($language) > 0) static::$lines[$this->language.$file] = $language;
return isset(static::$lines[$this->language.$file]); return isset(static::$lines[$this->language.$file]);
@ -166,9 +173,6 @@ protected function load($file)
/** /**
* Get the string content of the language line. * Get the string content of the language line.
*/ */
public function __toString() public function __toString() { return $this->get(); }
{
return $this->get();
}
} }