一段程式語句。
基本介紹
- 中文名：檢查小寫字母
- 外文名：ctype_lower
- 性質：計算機
- 類別：編程
函式原型,函式範例,
函式原型
bool ctype_lower ( string text )
檢查小寫字母
ctype_lower
(PHP 4 >= 4.0.4, PHP 5)
ctype_lower -- 檢查小寫字母
函式範例
<?php
$strings = array('aac123', 'qiutoas', 'QASsdks');
foreach ($strings as $testcase) {
if (ctype_lower($testcase)) {
echo "The string $testcase consists of all lowercase letters.\n";
} else {
echo "The string $testcase does not consist of all lowercase letters.\n";
}
}
?>
上例將輸出
The string aac123 does not consist of all lowercase letters. The string qiutoas consists of all lowercase letters. The string QASsdks does not consist of all lowercase letters.
