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<?php$car = ['品牌','车型','价格','排量'];$arr = [['brand' => 'BMW','model' => '330运动曜夜版','price' => '380000元','displacement' =>'2.0T高功'],['brand' => 'BMW','model' => '530豪华版','price' => '480000元','displacement' =>'2.0T高功'],['brand' => 'Audi','model' => 'A8行政版','price' => '980000元','displacement' =>'3.0T高功'],['brand' => 'Audi','model' => 'A4运动版','price' => '280000元','displacement' =>'2.0T低功'],];function table(array $car, array $arr,$color){$table = '<table border="1" width="500px" bgcolor="'.$color.'">';$table .='<thead>';$table .= '<tr>';foreach($car as $value){$table .='<th>'.$value.'</th>';}$table .= '</tr>';$table .= '</thead>';$table .= '<tbody>';foreach($arr as $key1 => $value1){$table .= '<tr>';$table .= '<td>'.$value1['brand'].'</td>';$table .= '<td>'.$value1['model'].'</td>';$table .= '<td>'.$value1['price'].'</td>';$table .= '<td>'.$value1['displacement'].'</td>';$table .= '</tr>';}$table .= '</tbody>';$table .='</table>';return $table;}?><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title></head><body><?php echo table($car,$arr,'#ccc') ?></body></html>
<?php// 字符串函数// 1.ucfirst(string $str): string,将字符串的首字母变成大写$name = 'peter';echo ucfirst($name);echo '<hr>';// 2.parse_str — 将字符串解析成多个变量$str = 'name=peter&age=28';parse_str($str,$str1);echo $str1['name'].'<br>';echo $str1['age'];echo '<hr>';// 3.str_split 将字符串且切割成数组$str1 = 'abcdefghigk';print_r(str_split($str1));echo "<br>";$str2 = 'abcdefghit';//第二个参数,是将字符串取几个字符,拆分到数组中print_r(str_split($str2,3));echo '<hr>';// 4.str_repeat 重复一个字符串,第二个参数是重复的次数,如果是0,// 则返回一个空数组;$str3 = '^_^';echo str_repeat($str3,10);echo '<hr>';// 5.strpos 查找字符串首次出现的位置,第二个参数是查询哪个字符//返回的是第二个参数,首次出现的位置,$str4 = 'This is a isset';echo strpos($str4,'is');
