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What are the different types of loops in PHP?
Loops in PHP are used to execute the same block of code a specified number of times. PHP supports following four loop types.
When to use next page loop in PHP?
Next Page Loops in PHP are used to execute the same block of code a specified number of times. PHP supports following four loop types. for − loops through a block of code a specified number of times.
When to use foreach, while and loop in PHP?
The foreach… loop is used to loop through arrays While… loop is used to execute a block of code as long as the set condition is made to be false The do… while loop is used to execute the block of code at least once then the rest of the execution is dependent on the evaluation of the set condition
How is the initializer used in a PHP loop?
The initializer is used to set the start value for the counter of the number of loop iterations. A variable may be declared here for this purpose and it is traditional to name it $i. The following example makes five iterations and changes the assigned value of two variables on each pass of the loop −
Just like the other programming languages, PHP programming language also offers different types of loop concepts. They are: WHILE LOOP, DO WHILE LOOP, FOR LOOP, FOREACH LOOP. You will get a detailed explanation of each and every loop concept of PHP below.
When do you repeat a loop in PHP?
The word itself says that it is going to be repeated but only if a certain condition is true which is mentioned in the loop parameters to check the condition for the PHP loop/loops. Just like the other programming languages, PHP programming language also offers different types of loop concepts.
How to use multiple loops in WordPress Codex?
Finally, ‘multiple loops in action’ brings a bunch of ideas together to document one way of using multiple loops to promote posts of a certain category on your blog’s homepage. In order to loop through the same query a second time, call rewind_posts (). This will reset the loop counter and allow you to do another loop.
When is this tag must be within the loop in WordPress?
When WordPress documentation says “This tag must be within The Loop”, such as for specific Template Tags or plugins, the tag will be repeated for each post. For example, The Loop displays the following information by default for each post: Categories ( the_category () ).
How is a foreach statement used in a PHP loop?
The foreach statement is used to loop through arrays. For each pass the value of the current array element is assigned to $value and the array pointer is moved by one and in the next pass next element will be processed. Try out following example to list out the values of an array.
When to use the for statement in PHP?
The for statement is used when you know how many times you want to execute a statement or a block of statements. The initializer is used to set the start value for the counter of the number of loop iterations. A variable may be declared here for this purpose and it is traditional to name it $i.
How to create a table in PHP using for loops?
8. Write a PHP script that creates the following table using for loops. Add cellpadding=”3px” and cellspacing=”0px” to the table tag. Go to the editor 9. Write a PHP script using nested for loop that creates a chess board as shown below. Go to the editor Use table width=”270px” and take 30px as cell height and width.