The outer loop controls rows, while the inner loop handles columns. It prints a 10x10 multiplication table. Each inner loop completes fully before the outer loop advances. Nested loops can create grid patterns. Break and Continue This example shows using break and continue in do-while loops. b...
while (expr){ statement } //或者 while (expr): statement endwhile;该语法表示,只要expr表达式为TRUE,那么就一直执行statement直到expr为FALSE为止,statement表示要执行的动作或逻辑。例子:<?php $i = 1; while ($i <= 10) { echo $i; $i++; } ?>该例子循环输出1到10。2. do-while循环do-while循...
do...while- loops through a block of code once, and then repeats the loop as long as the specified condition is true for- loops through a block of code a specified number of times foreach- loops through a block of code for each element in an array ...
The while loop The do...while loop Another do...while loop The for loop The foreach loop Examples explainedPHP FunctionsCreate a function Function with one argument Function with two arguments Function with default argument value Function that returns a value Examples explained...
while ($i < 5) { echo "PHP language\n"; $i++; } In the code example, we repeatedly print "PHP language" string to the console. Thewhileloop has three parts: initialization, testing, and updating. Each execution of the statement is called a cycle. ...
构建一个可工作的开发环境可能是令人生畏的,尤其是对于绝对的初学者来说。为了跟进本书中的项目,您需要访问 Apache、PHP 和 MySQL 的有效安装,最好是在您的本地机器上。出于速度和安全性的考虑,总是希望在本地进行测试。这样做既保护了你正在进行的工作不受开放互联网的影响,又减少了上传文件到 FTP 服务器和等...
// Fetch the "aggregate structure"$fh=fopen("/home/hfuecks/files/results.txt","r");// Iterate over the structurewhile(!feof($fh)){$line=fgets($fh);// do stuff with the line here} 上面三段代码,虽然处理的是不同的resource(资源),但是功能都是遍历结果集(loop over contents),因此Iterator...
Example 4-31. A do…while loop for printing the times table for 12 <?php $count = 1; do echo "$count times 12 is " . $count * 12 . ""; while (++$count <= 12); ?> Notice that we are back to initializing$countto1(rather than0), because the code is being executed immediat...
Comprehensive, community-driven list of essential PHP interview questions. Whether you're a candidate or interviewer, these interview questions will help prepare you for your next PHP interview ahead of time.
The while loop The do...while loop Another do...while loop The for loop The foreach loop The break statement in a loop The continue statement in a loop Loops explainedPHP FunctionsCreate a function Function with one argument Function with two arguments Function with default argument value ...