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Merge branch 'mdl-39335' of git://github.com/vostreltsov/moodle

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Damyon Wiese 2013-04-30 15:51:12 +08:00
commit 34e46d7556
2 changed files with 42 additions and 0 deletions
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13
lib/tests/textlib_test.php
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@ -340,6 +340,19 @@ class core_textlib_testcase extends advanced_testcase {
$this->assertSame(textlib::code2utf8(381), 'Ž');
}
/**
* Tests the static utf8ord method
* @return void
*/
public function test_utf8ord() {
$this->assertSame(textlib::utf8ord(''), ord(''));
$this->assertSame(textlib::utf8ord('f'), ord('f'));
$this->assertSame(textlib::utf8ord('α'), 0x03B1);
$this->assertSame(textlib::utf8ord('й'), 0x0439);
$this->assertSame(textlib::utf8ord('𯨟'), 0x2FA1F);
$this->assertSame(textlib::utf8ord('Ž'), 381);
}
/**
* Tests the static strtotitle method
* @return void

29
lib/textlib.class.php
View File

@ -591,6 +591,35 @@ class textlib {
return '';
}
/**
* Returns the code of the given UTF-8 character
*
* @param string $utf8char one UTF-8 character
* @return int the code of the given character
*/
public static function utf8ord($utf8char) {
if ($utf8char == '') {
return 0;
}
$ord0 = ord($utf8char{0});
if ($ord0 >= 0 && $ord0 <= 127) {
return $ord0;
}
$ord1 = ord($utf8char{1});
if ($ord0 >= 192 && $ord0 <= 223) {
return ($ord0 - 192) * 64 + ($ord1 - 128);
}
$ord2 = ord($utf8char{2});
if ($ord0 >= 224 && $ord0 <= 239) {
return ($ord0 - 224) * 4096 + ($ord1 - 128) * 64 + ($ord2 - 128);
}
$ord3 = ord($utf8char{3});
if ($ord0 >= 240 && $ord0 <= 247) {
return ($ord0 - 240) * 262144 + ($ord1 - 128 )* 4096 + ($ord2 - 128) * 64 + ($ord3 - 128);
}
return false;
}
/**
* Makes first letter of each word capital - words must be separated by spaces.
* Use with care, this function does not work properly in many locales!!!