Heim >Backend-Entwicklung >PHP-Tutorial >zencart中的一个函数不知道是要做什么的?
<code>function GBcase($text, $case) { $case = strtolower($case); if ($case != "upper" && $case != "lower" && $case != "ucwords" && $case != "ucfirst") { return "函数用法错误。 $case"; } else { $ucfirst = 0; $ucwords = 0; $news = ""; $l = strlen($text); $GB = 0; $english = 0; $a = 0; while ($a = HexDec("0x81")) { $GB = 1; $english = 0; $news .= $ch; $ucwords = 0; } elseif ($GB == 1 && ord($ch) >= HexDec("0x40") && $english == 0) { $news .= "$ch"; $ucwords = 0; $GB = 0; } else { if ($case == "upper") { $news .= strtoupper($ch); } elseif ($case == "lower") { $news .= strtolower($ch); } elseif ($case == "ucwords") { if ($ucwords == 0) { $news .= strtoupper($ch); } else { $news .= strtolower($ch); } $ucwords = 1; } elseif ($case == "ucfirst") { if ($ucfirst == 0) { $news .= strtoupper($ch); $ucfirst = 1; } else { $news .= strtolower($ch); $ucfirst = 1; } } else { $news .= $ch; } if ($ch == " " || $ch == "\n") { $ucwords = 0; } $english = 1; $GB = 0; } $a++; } // END OF while return $news; } // end else } </code>
这是zencart中文版中,中文版补充的一个函数,一个用例就是对$sql查询语句进行转换,如GBcase($sql,'lower'),这里要对$sql要做的就是根据$page/$size/$sql/$rows进行分页,如果要进行大小写转换直接用函数不就行了,我对ASCII编码这些也不是很懂,所以看不太懂这个。
<code>function GBcase($text, $case) { $case = strtolower($case); if ($case != "upper" && $case != "lower" && $case != "ucwords" && $case != "ucfirst") { return "函数用法错误。 $case"; } else { $ucfirst = 0; $ucwords = 0; $news = ""; $l = strlen($text); $GB = 0; $english = 0; $a = 0; while ($a = HexDec("0x81")) { $GB = 1; $english = 0; $news .= $ch; $ucwords = 0; } elseif ($GB == 1 && ord($ch) >= HexDec("0x40") && $english == 0) { $news .= "$ch"; $ucwords = 0; $GB = 0; } else { if ($case == "upper") { $news .= strtoupper($ch); } elseif ($case == "lower") { $news .= strtolower($ch); } elseif ($case == "ucwords") { if ($ucwords == 0) { $news .= strtoupper($ch); } else { $news .= strtolower($ch); } $ucwords = 1; } elseif ($case == "ucfirst") { if ($ucfirst == 0) { $news .= strtoupper($ch); $ucfirst = 1; } else { $news .= strtolower($ch); $ucfirst = 1; } } else { $news .= $ch; } if ($ch == " " || $ch == "\n") { $ucwords = 0; } $english = 1; $GB = 0; } $a++; } // END OF while return $news; } // end else } </code>
这是zencart中文版中,中文版补充的一个函数,一个用例就是对$sql查询语句进行转换,如GBcase($sql,'lower'),这里要对$sql要做的就是根据$page/$size/$sql/$rows进行分页,如果要进行大小写转换直接用函数不就行了,我对ASCII编码这些也不是很懂,所以看不太懂这个。