How does php realize what day code it is today?
This article mainly introduces how to achieve today's php generation code, the article introduces in great detail, has a certain reference value, interested friends must read it!
Php to achieve what day code is today: 1, through the date and if statements to determine the day of the week; 2, the use of date and switch statements to determine the day of the week; 3, through date and mb_substr functions to determine the day of the week.
This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.
The code is as follows:
/ / the first way to write $da = date ("w"); if ($da = = "1") {echo "today is Monday";} else if ($da = = "2") {echo "today is Tuesday";} else if ($da = = "3") {echo "today is Wednesday";} else if ($da = = "4") {echo "today is Thursday";} else if ($da = "5") {echo "today is Friday" } else if ($da = = "6") {echo "Today is Saturday";} else if ($da = = "0") {echo "Today is Sunday";} else {echo "you typed it incorrectly!!";}; / / the second way to write $ga = date ("w"); switch ($ga) {case 1: echo "Today is Monday"; break; case 2: echo "Today is Tuesday"; break; case 3: echo "Today is Wednesday"; break Case 4: echo "Today is Thursday"; break; case 5: echo "Today is Friday"; break; case 6: echo "Today is Saturday"; break; case 0: echo "Today is Sunday"; break; default: echo "you typed it incorrectly!" ;}; www.jbxue.com// the third way to write echo is today is the week. Mb_substr ("Japan 123456", date ("w"), 1, "utf-8")
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