While Loop in PHP
While loop executes a block of statements as long as the condition that is defined is true.
In the example below, we have set a variable $x to 1.The while loop will continue to run as long as the value of $x is less than or equal to 10. Variable “$x” is increment by 1 each time the loop runs $x++.
Flowchart of While Loop.
Example of While loop in PHP.
An example program to demonstrate the while loop.
The output of While loop program in PHP.
The value is:1
The value is:2
The value is :3
The value is:4
The value is:5
The value is:6
The value is:7
The value is:8
The value is:9
The value is:10
Code | Explanation |
| <?php | PHP opening. |
| $x=1; | Variable is declared and its value is initialized. |
| while($x<=10) | Here checking the condition. |
| { | While loop opening. |
| echo “The value is :$x<br>”; | Code within Loop . Prints the message. |
| $x++; | Value of variable $x is incremented by 1. |
| } | Loop ends. |
| ?> | PHP closing. |
Comparison of While Loop code in PHP VS C++
| PHP Code | Same code in C++ |
| <?php | |
| $x=1; | Int x=1; |
| while($x<=10) | While(x<=10) |
| { | |
| echo “The value is :$x<br>”; | cout <<”The value is :”<<x<<endl; |
| $x++; | x++; |
| } | |
| ?> |
Examples of While loop in PHP
PHP Program to print the numbers in reverse order by asking the user to input a number
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