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GuanhuiCorrection status：qualified
Teacher's comments：写的不好！作业要认真对待！
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<?php// 1、选择判断$salary=10000;$year=5;$adjust_salary=$salary;// 单分支if($year<=5){$adjust_salary=$salary * 0.5;}echo '你可以拿到'.$adjust_salary.'工资<br>';// 双分支$salary=10000;$year=6;$adjust_salary=$salary;if($year<=5){$adjust_salary=$salary * 0.5;}else{$adjust_salary=$salary * 0.7;}echo '你可以拿到'.$adjust_salary.'工资<br>';// 多分支$salary=10000;$year=11;$adjust_salary=$salary;if($year<=5){$adjust_salary=$salary * 0.5;}elseif($year>5 && $year <=10){$adjust_salary=$salary * 0.7;}elseif($year>10 && $year <=20){$adjust_salary=$salary * 0.9;}else{$adjust_salary=$salary;}echo '你可以拿到'.$adjust_salary.'工资<br>';// 简化多分支$salary=10000;$year=8;$adjust_salary=$salary;switch($year){case $year <=5:$adjust_salary=$salary * 0.5;break;case $year>5 && $year <=10:$adjust_salary=$salary * 0.7;break;case $year>10 && $year <=20:$adjust_salary=$salary * 0.9;break;default:$adjust_salary=$salary * 0.9;}echo '你可以拿到'.$adjust_salary.'工资<br>';// switch主要用在单值判断中$salary=10000;$year=8;$adjust_salary=$salary;switch($year){case 6:echo '我上班6年了';break;case 7:echo "我7上班年了";break;case 8:echo "我上班8年了";break;default:echo "我还没有上班";}echo '<hr>';// 2 循环// while，先判断，为真，就执行$num=1;while($num<=10){echo '$num的值分别是：'.$num.'<br>';$num++;}echo '<hr>';//do while 先执行，再判断$num=1;do{echo '$num的值分别是：'.$num.'<br>';$num++;}while($num<=10);echo "<hr>";// for循环初始值，条件，条件增量for($num=0;$num<=10;$num++){// if($num>8)// {// // exit();// // break后面的语句不在执行// break;// }if($num==5){continue;}echo '$num的值分别是：'.$num.'<br>';}$person=[['id'=>1,'name'=>'meng1','sex'=>'man'],['id'=>2,'name'=>'meng2','sex'=>'woman'],['id'=>3,'name'=>'meng3','sex'=>'--'],];?><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title></head><body><table border="1" cellspacing='1'><tr><td>id</td><td>姓名</td><td>性别</td></tr><?php for($i=0; $i<count($person);$i++):?><tr><td width='100'><?php echo $person[$i]['id'] ?></td><td width='100'><?php echo $person[$i]['name'] ?></td><td width='100'><?php echo $person[$i]['sex'] ?></td></tr><?php endfor ?></table></body></html>
