※このサンプルの解説は、「CGIの扉」をすべて読み終えてる方を前提としています。
- 【時間関数のテスト】
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time = 1746924251
gmtime(time) = Sun May 11 00:44:11 2025
gmtime() = Sun May 11 00:44:11 2025
gmtime = Sun May 11 00:44:11 2025
localtime(time) = Sun May 11 09:44:11 2025
localtime() = Sun May 11 09:44:11 2025
localtime = Sun May 11 09:44:11 2025
(localtime)[$i] = 11 44 9 11 4 125 0 130 0
$year $mon $mday $hour $min $sec = 125 4 11 9 44 11
$fmt0 = "%04d/%02d/%02d %02d:%02d:%02d"
sprintf($fmt0, $year+1900,$mon+1,$mday,$hour,$min,$sec) = 2025/05/11 09:44:11
substr(localtime, 0, 3) = Sun