標籤：style class blog c code java
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1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 5 <title>一個PHP網頁</title> 6 </head> 7 <body> 8 <pre> 9 <?php10 echo "<h3>字串比較</h3>";11 $str1 = "hello";12 $str2 = "HELLO";13 printf("%s比%s：%d\n", $str1, $str2, strcmp($str1, $str2));14 printf("%s比%s不區分大小寫：%d\n", $str1, $str2, strcasecmp($str1, $str2));15 $str1 = "helWWW";16 $str2 = "HELQQQ";17 printf("%s比%s，前三個字元：%d\n", $str1, $str2, strncmp($str1, $str2, 3));18 printf("%s比%s，前三個字元，不區分大小寫：%d\n", $str1, $str2, strncasecmp($str1, $str2, 3));19 ?>20 <?php21 echo "<h3>字串替換</h3>";22 $str = "葫蘆";23 $result = str_replace("葫蘆", "葫蘆娃", $str, $count);24 printf("葫蘆(葫蘆->葫蘆娃):%s。替換了%d次\n", $result, $count);25 $result = substr_replace($str, "葫蘆娃", 3, 3);//UTF-826 printf("葫蘆(2+2->葫蘆娃):%s。\n", $result);27 ?>28 <?php29 echo "<h3>截取字串</h3>";30 $str = "植物大戰大殭屍";31 printf("植物大戰大殭屍，從大開始：%s\n", strchr($str, "大"));32 printf("植物大戰大殭屍，從大開始，取左半部分：%s\n", strchr($str, "大", true));33 printf("植物大戰大殭屍，大的位置：%d\n", strpos($str, "大", 0));34 printf("植物大戰大殭屍，大的位置：從第三個字開始%d\n", strpos($str, "大", 9));35 printf("植物大戰大殭屍，從右邊的大開始：%s\n", strrchr($str, "大"));36 printf("植物大戰大殭屍，從第二個字元開始：%s\n", substr($str, 3));37 printf("植物大戰大殭屍，大出現次數：%s\n", substr_count($str, "大"));38 ?>39 <?php40 echo "<h3>分割字串</h3>";41 $str = "植物 大戰 殭屍";42 $s = strtok($str, " ");43 while ($s) {44 echo $s, "\n";45 $s = strtok(" ");46 }47 foreach(explode(" ", $str) as $temp){48 echo $temp, "\t";49 }50 echo implode("+", array("植物", "大戰", "殭屍"));51 ?>52 <?php53 echo "<h3>大小寫轉換</h3>";54 echo strtolower("PHP"), "\n";55 echo strtoupper("java"), "\n";56 echo ucfirst("what you see is what you get"), "\n";57 echo ucwords("what you see is what you get"), "\n";58 foreach(count_chars("abbcccdddd", 1) as $key=>$value){59 echo $key, "=>", $value, "\n";60 }61 ?>62 <?php63 echo "<h3>字串填充</h3>";64 $arr = array("柯南", "海賊王", "火影忍者", "櫻桃小丸子");65 foreach ($arr as $value) {66 echo str_pad($value, 18, "—", STR_PAD_LEFT);67 echo "\n";68 }69 ?>70 <?php71 echo "<h3>字串剔除</h3>";72 $str = "** 滴滴動力** ";73 echo "待剔除字串：|", $str, "|\n";74 echo "剔除空格|", trim($str), "|\n";75 echo "剔除星號|", trim($str, "*"), "|\n";76 echo "剔除星號空格|", trim($str, "* "), "|\n";77 echo "左剔除星號空格|", ltrim($str, "* "), "|\n";78 echo "右剔除星號空格|", rtrim($str, " *"), "|\n";79 ?>80 </pre>81 </body>82 </html>
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