Last active
February 22, 2018 18:24
-
-
Save Sentinel17/b3cc751fc70eecb5a77d901f7f37ddcb to your computer and use it in GitHub Desktop.
Домашнее задание №1
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
$day = 17; | |
if ($day <= 10){ | |
echo 'Первая декада месяца'; | |
} | |
if ($day >= 11 AND $day <= 20){ | |
echo 'Вторая декада месяца'; | |
} | |
if ($day >= 21 AND $day <= 31){ | |
echo 'Третья декада месяца'; | |
} | |
echo $decada; | |
?> | |
<?php | |
$month = 7; | |
if ($month == 1 OR $month == 2 OR $month == 12){ | |
echo 'Зима'; | |
} | |
if ($month >= 3 AND $month <= 5){ | |
echo 'Весна'; | |
} | |
if ($month >= 6 AND $month <= 8){ | |
echo 'Лето'; | |
} | |
if ($month >= 9 AND $month <= 11){ | |
echo 'Осень'; | |
} | |
?> | |
<?php | |
$year = 2000; | |
if (($year % 4 == 0 AND $year % 100 != 0) OR ($year % 400 == 0)){ | |
echo 'Високосный'; | |
} else { | |
echo 'Невисокосный'; | |
} | |
?> | |
<?php | |
$stroka = 'abcde'; | |
if ($stroka[0] == 'a'){ | |
echo 'Да'; | |
} else { | |
echo 'Нет'; | |
} | |
?> | |
<?php | |
$stroka = '12345'; | |
if ($stroka[0] == '1' OR $stroka[0] == '2' OR $stroka[0] == '3'){ | |
echo 'Да'; | |
} else { | |
echo 'Нет'; | |
} | |
?> | |
<?php | |
$stroka = '789'; | |
echo $stroka[0] + $stroka[1] + $stroka[2]; | |
?> | |
<?php | |
$stroka = '789789'; | |
$sum1 = $stroka[0] + $stroka[1] + $stroka[2]; | |
$sum2 = $stroka[3] + $stroka[4] + $stroka[5]; | |
if ($sum1 == $sum2){ | |
echo 'Да'; | |
} else{ | |
echo 'Нет'; | |
} | |
?> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!-- Работа с переменными --> | |
<?php | |
$a = 3; | |
echo $a; | |
?> | |
<?php | |
$a = 10; | |
$b = 2; | |
echo $a + $b; | |
echo $a - $b; | |
echo $a * $b; | |
echo $a / $b; | |
?> | |
<?php | |
$c = 15; | |
$d = 2; | |
$result = $c + $d; | |
echo $result; | |
?> | |
<?php | |
$a = 10; | |
$b = 2; | |
$c = 5; | |
echo $a + $b + $c; | |
?> | |
<?php | |
$a = 17; | |
$b = 10; | |
$c = $a - $b; | |
$d = 7; | |
$result = $c + $d; | |
echo $result; | |
?> | |
<!-- Работа со строками --> | |
<?php | |
$text = 'Привет, Мир!'; | |
echo $text; | |
?> | |
<?php | |
$text1 = 'Привет, '; | |
$text2 = 'Мир!'; | |
echo $text1.$text2; | |
?> | |
<?php | |
$name = 'Алексей'; | |
echo 'Привет, '.$name.'!'; | |
?> | |
<?php | |
$age = 22; | |
echo 'Мне '.$age.' года!'; | |
?> | |
<?php | |
$text = 'abcde'; | |
echo $text[0]; | |
echo $text[2]; | |
echo $text[4]; | |
?> | |
<?php | |
$text = 'abcde'; | |
$text[0] = '!'; | |
echo $text; | |
?> | |
<?php | |
$num = '12345'; | |
echo $num[0] + $num[1] + $num[2] + $num[3] + $num[4]; | |
?> | |
<!-- Работа с присваиванием и декрементами --> | |
<?php | |
$var = 47; | |
$var += 7; | |
$var -= 18; | |
$var *= 10; | |
$var /= 20; | |
echo $var; | |
?> | |
<?php | |
$text = 'Я'; | |
$text .=' хочу'; | |
$text .=' знать'; | |
$text .=' PHP!'; | |
echo $text; | |
?> | |
<?php | |
$var = 10; | |
$var++; | |
$var++; | |
$var--; | |
echo $var; | |
?> | |
<?php | |
$var = 10; | |
$var +=7; | |
$var++; | |
$var--; | |
$var += 12; | |
$var *= 7; | |
$var -= 15; | |
echo $var; | |
?> | |
<!-- Массивы --> | |
<?php | |
$arr = ['a', 'b', 'c']; | |
var_dump($arr) | |
?> | |
<?php | |
$arr = ['a', 'b', 'c']; | |
var_dump($arr) | |
?> | |
<?php | |
$arr = ['a', 'b', 'c']; | |
echo $arr[0]; | |
echo $arr[1]; | |
echo $arr[2]; | |
?> | |
<?php | |
$arr = ['a', 'b', 'c', 'd']; | |
echo $arr[0].'+'. $arr[1].', '.$arr[2].'+'.$arr[3]; | |
?> | |
<?php | |
$arr = [2, 5, 3, 9]; | |
$result = $arr[0] * $arr[1] + $arr[2] * $arr[3]; | |
echo $result; | |
?> | |
<?php | |
$arr[] = 1; | |
$arr[] = 2; | |
$arr[] = 3; | |
$arr[] = 4; | |
$arr[] = 5; | |
var_dump($arr); | |
?> | |
<!-- Ассоциативные массивы --> | |
<?php | |
$arr = ['a'=>1, 'b'=>2, 'c'=>3]; | |
echo $arr['c']; | |
?> | |
<?php | |
$arr = ['a'=>1, 'b'=>2, 'c'=>3]; | |
echo $arr['a'] + $arr['b'] + $arr['c']; | |
?> | |
<?php | |
$arr = ['Коля'=>'1000$', 'Вася'=>'500$', 'Петя'=>'200$']; | |
echo $arr['Петя'].' '.$arr['Коля']; | |
?> | |
<?php | |
$arr = [1=>'Пн', 2=>'Вт', 3=>'Ср', 4=>'Чт', 5=>'Пт', 6=>'Сб', 7=>'Вс']; | |
echo $arr[3]; | |
?> | |
<?php | |
$arr = [1=>'Пн', 2=>'Вт', 3=>'Ср', 4=>'Чт', 5=>'Пт', 6=>'Сб', 7=>'Вс']; | |
$day = 3; | |
echo $arr[$day]; | |
?> | |
<!-- Многомерные массивы --> | |
<?php | |
$arr = [ | |
'cms'=>['joomla', 'wordpress', 'drupal'], | |
'colors'=>['blue'=>'голубой', 'red'=>'красный', 'green'=>'зеленый'] | |
]; | |
echo $arr['cms'][0]; | |
echo $arr['cms'][2]; | |
echo $arr['colors']['green']; | |
echo $arr['colors']['red']; | |
?> | |
<?php | |
$arr = [ | |
'ru'=>[1=>'Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб', 'Вс'], | |
'en'=>[1=>'Mn', 'Ts', 'Wd', 'Th', 'Fr', 'St', 'Sn'], | |
]; | |
echo $arr['ru'][1]; | |
echo $arr['en'][2]; | |
?> | |
<?php | |
$arr = [ | |
'ru'=>[1=>'Пн', 'Вт', 'Ср', 'Чт', 'Пт', 'Сб', 'Вс'], | |
'en'=>[1=>'Mn', 'Ts', 'Wd', 'Th', 'Fr', 'St', 'Sn'], | |
]; | |
$lang = 'ru'; | |
$day = 3; | |
echo $arr[$lang][$day]; | |
?> --> | |
<!-- Работа с if-else --> | |
<?php | |
$a = 1; | |
if ($a == 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 0; | |
if ($a > 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 1; | |
if ($a < 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 1; | |
if ($a >= 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 0; | |
if ($a <= 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 1; | |
if ($a != 0) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 'тест'; | |
if ($a == 'test') { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 1; | |
if ($a === '1') { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<!-- Работа с empty и isset --> | |
<?php | |
$a = 3; | |
if (empty($a)) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 3; | |
if (!empty($a)) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 3; | |
if (isset($a)) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = Null; | |
if (!isset($a)) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<!-- Работа с логическими переменными --> | |
<?php | |
$var = True; | |
if ($var) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$var = True; | |
if ($var == True) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$var = True; | |
if (!$var) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$var = True; | |
if ($var != True) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 2; | |
if ($a > 0 AND $a < 5) { | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<?php | |
$a = 5; | |
if ($a == 0 OR $a == 2) { | |
$a += 7; | |
} else { | |
$a /= 10; | |
} | |
echo $a; | |
?> | |
<?php | |
$a = 5; | |
$b = 1; | |
if ($a <= 1 AND $b >= 3) { | |
echo $a + $b; | |
} else { | |
echo $a - $b; | |
} | |
?> | |
<?php | |
$a = 3; | |
$b = 2; | |
if (($a > 2 AND $a < 11) OR ($b >= 6 AND $b < 14)){ | |
echo 'Верно'; | |
} else { | |
echo 'Неверно'; | |
} | |
?> | |
<!-- На switch-case --> | |
<?php | |
$num = 4; | |
switch ($num) { | |
case 1: | |
$result = 'зима'; | |
break; | |
case 2: | |
$result = 'весна'; | |
break; | |
case 3: | |
$result = 'лето'; | |
break; | |
case 4: | |
$result = 'осень'; | |
break; | |
} | |
echo $result; | |
?> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment