TypePHP 编译器
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23 lines
660 B
23 lines
660 B
<?php
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function isAsciiWhitespace(int $code) {
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// 确保参数在有效范围内
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if (!is_int($code) || $code < 0 || $code > 127) {
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throw new InvalidArgumentException('参数必须是0-127之间的整数');
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}
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// 使用chr()将ASCII码转换为字符，然后用ctype_space检测
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$char = chr($code);
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return ctype_space($char);
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}
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function main()
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{
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$list = [9, 10, 12, 13, 32];
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foreach ($list as $code) {
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if (isAsciiWhitespace($code)) {
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echo "The ASCII code $code is a whitespace character.\n";
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} else {
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echo "The ASCII code $code is not a whitespace character.\n";
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}
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}
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} |