※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 = 1770433705
gmtime(time) = Sat Feb 7 03:08:25 2026
gmtime() = Sat Feb 7 03:08:25 2026
gmtime = Sat Feb 7 03:08:25 2026
localtime(time) = Sat Feb 7 12:08:25 2026
localtime() = Sat Feb 7 12:08:25 2026
localtime = Sat Feb 7 12:08:25 2026
(localtime)[$i] = 25 8 12 7 1 126 6 37 0
$year $mon $mday $hour $min $sec = 126 1 7 12 8 25
$fmt0 = "%04d/%02d/%02d %02d:%02d:%02d"
sprintf($fmt0, $year+1900,$mon+1,$mday,$hour,$min,$sec) = 2026/02/07 12:08:25
substr(localtime, 0, 3) = Sat