| 词条 | ctype_lower |
| 释义 | ctype_lower(PHP 4 >= 4.0.4, PHP 5) ctype_lower -- 检查小写字母 函数原型bool ctype_lower ( string text ) 检查小写字母 范例<?php $strings = array('aac123', 'qiutoas', 'QASsdks'); foreach ($strings as $testcase) { if (ctype_lower($testcase)) { echo "The string $testcase consists of all lowercase letters.\"; } else { echo "The string $testcase does not consist of all lowercase letters.\"; } } ?> 上例将输出：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. |
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