※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 = 1740161114
gmtime(time) = Fri Feb 21 18:05:14 2025
gmtime() = Fri Feb 21 18:05:14 2025
gmtime = Fri Feb 21 18:05:14 2025
localtime(time) = Sat Feb 22 03:05:14 2025
localtime() = Sat Feb 22 03:05:14 2025
localtime = Sat Feb 22 03:05:14 2025
(localtime)[$i] = 14 5 3 22 1 125 6 52 0
$year $mon $mday $hour $min $sec = 125 1 22 3 5 14
$fmt0 = "%04d/%02d/%02d %02d:%02d:%02d"
sprintf($fmt0, $year+1900,$mon+1,$mday,$hour,$min,$sec) = 2025/02/22 03:05:14
substr(localtime, 0, 3) = Sat