echo “This is a very long line of code \ that needs to be split into multiple lines \ for readability.”; “` 2. 使用括号:有些代码行可以使用括号将其分成多行,例如: “` $longVariableName = (This is a very long line \ that needs to be split \ for readability.); “` 3. 使用连...
echo "Peter is " . $age['Peter'] . " years old."; ?> 运行实例 » 实例5 输出一些文本: <?php echo "This text spans multiple lines."; ?> 运行实例 » 实例6 如何使用多个参数: <?php echo 'This ','string ','was ','made ','with multiple parameters.'; ...
multiple lines. The newlines will be output as well";echo"This spans\nmultiple lines. The newlines will be\noutput as well.";//转义双引号echo"Escaping characters is done \"Like this\".";//输出变量名 使用单引号echo'foo is $foo';// foo is $foo//输出变量值 使用双引号$foo="foobar";...
phpecho <<<'EOD'Example of string spanning multiple linesusing nowdoc syntax. Backslashes are always treated literally,e.g. \ and '.EOD; <?php/* 含有变量的更复杂的示例 */class foo{ public $foo; public $bar; function __construct() { $this->foo = 'Foo'; $this->bar = array('Bar1...
是的,你可以在你的命令提示符里运行 PHP 脚本。假设您已经有下面的 test.php 文件 <?phpecho"Hello PHP!!!";?> 现在在命令提示符里运行这个脚本如下: $php test.php 脚本将会输出以下内容: HelloPHP!!! 希望你现在具有 PHP 语法的基本知识。
lines."; ?> Try it Yourself » Example How to use multiple parameters: <?php echo'This ','string ','was ','made ','with multiple parameters.'; ?> Try it Yourself » Example Difference of single and double quotes. Single quotes will print the variable name, not the value: ...
1<?php2//This is a single-line comment34#This is also a single-line comment56/*7This is a multiple-lines comment block8that spans over multiple9lines10*/1112//You can also use comments to leave out parts of a code line13$x= 5/*+ 15*/+ 5;14echo$x;15?> ...
echo''; for($j=1;$j<8;$j++){ if($i>$days||$w<=0){ echo''; $w++; }else{ echo"$i"; $i++; } } echo''; } echo''; ?> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19...
echo 'One Final Test'; # 这是 shell 风格的单行注释 注释主要用作写给程序读者看的笔记。 C 风格的注释在碰到第一个*/时结束。要确保不要嵌套 C 风格的注释。试图注释掉一大块代码时很容易出现该错误。 <?php /* echo "This is a test"; /* 这个注释将要引起问题 */ ...
echo可以同时输出多个字符串,并不需要圆括号;echo更象一条语句;推荐用echo; print只可以同时输出一个字符串,需要圆括号。print 是函数;print的用法和C语言很像,所以会对输出内容里的%做特殊解释; echo的说明: echo可以同时输出多个字符串,并不需要圆括号; ...