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<?php /** * Keys are ISO-8601 numeric representation * of the days of the week */ $days = [ 1 => 0b0000001, // 1 2 => 0b0000010, // 2 3 => 0b0000100, // 4 4 => 0b0001000, // 8 5 => 0b0010000, // 16 6 => 0b0100000, // 32 7 => 0b1000000, // 64 ]; $mondayToFriday = 31; // 1 + 2 + 4 + 8 + 16 foreach ($days as $n => $v) { /** * Get the day's name using strftime (has locale capability) * strtotime("Sunday +n days") would work with ISO-8601 day * numbers or PHP's date("w") (0 - 6 / Sunday - Saturday) */ $day = strftime("%A", strtotime("Sunday +{$n} days")); echo "{$day}: " . (($v & $mondayToFriday) ? "Y" : "N") . PHP_EOL; } echo PHP_EOL; /** * The order of these is important */ $input["days"] = [ "Monday" => 0, "Tuesday" => 1, "Wednesday" => 0, "Thursday" => 0, "Friday" => 0, "Saturday" => 0, "Sunday" => 0, ]; $dec = bindec(strrev(implode("", $input["days"]))); echo "\$dec: {$dec}" . PHP_EOL;
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Monday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Tuesday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Wednesday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Thursday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Friday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Saturday: N Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Sunday: N $dec: 2
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Monday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Tuesday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Wednesday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Thursday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Friday: Y Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Saturday: N Deprecated: Function strftime() is deprecated in /in/R6u1v on line 28 Sunday: N $dec: 2
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Monday: Y Tuesday: Y Wednesday: Y Thursday: Y Friday: Y Saturday: N Sunday: N $dec: 2
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