Difference between if () { } and if () : endif;

Answers of > Difference between if () { } and if () : endif;

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They are the same but the second one is great if you have MVC in your code and don't want to have a lot of echos in your code. For example, in my .phtml files (Zend Framework) I will write something like this:

<?php if($this->value): ?>
Hello
<?php elseif($this->asd): ?>
Your name is: <?= $this->name ?>
<?php else: ?>
You don't have a name.
<?php endif; ?>

At our company, the preferred way for handling HTML is:

<? if($condition) { ?>
   HTML content here
<? } else { ?>
   Other HTML content here
<? } ?>

But if the endif is getting too far from the correspondent if I think it's much better practice to give a referencing comment to it. Just so you can easily find where it was open. No matter what language it is:

if (my_horn_is_red or her_umbrella_is_yellow)
{

    // ...

    // let's pretend this is a lot of code in the middle

    foreach (day in week) {
        sing(a_different_song[day]);
    }

    // ...

} //if my_horn_is_red

I think that it's particularly clearer when you're using a mix of ifs, fors and foreaches in view scripts:

<?php if ( $this->hasIterable ): ?>
    <h2>Iterable</h2>
    <ul>
    <?php foreach ( $this->iterable as $key => $val ):?>
        <?php for ( $i = 0; $i <= $val; $i++ ): ?>
        <li><?php echo $key ?></li>
        <?php endfor; ?>
    <?php endforeach; ?>
    </ul>
<?php elseif ( $this->hasScalar ): ?>
    <h2>Scalar</h2>
    <?php for ( $i = 0; $i <= $this->scalar; $i++ ): ?>
    <p>Foo = Bar</p>
    <?php endfor; ?>
<?php else: ?>
    <h2>Other</h2>
    <?php if ( $this->otherVal === true ): ?>
    <p>Spam</p>
    <?php else: ?>  
    <p>Eggs</p>  
    <?php endif; ?>
<?php endif; ?>

as opposed to:

<?php if ( $this->hasIterable ){ ?>
    <h2>Iterable</h2>
    <ul>
    <?php foreach ( $this->iterable as $key => $val ){?>
        <?php for ( $i = 0; $i <= $val; $i++ ){ ?>
        <li><?php echo $key ?></li>
        <?php } ?>
    <?php } ?>
    </ul>
<?php } elseif ( $this->hasScalar ){ ?>
    <h2>Scalar</h2>
    <?php for ( $i = 0; $i <= $this->scalar; $i++ ){ ?>
    <p>Foo = Bar</p>
    <?php } ?>
<?php } else { ?>
    <h2>Other</h2>
    <?php if ( $this->otherVal === true ){ ?>
    <p>Spam</p>
    <?php } else { ?>  
    <p>Eggs</p>  
    <?php } ?>
<?php } ?>

I'm not sure one can definitively say one is easier to read than the other - it's personal preference. I usually do something like this:

<?php
if ($foo) { ?>
   <p>Foo!</p><?php
} else { ?>
   <p>Bar!</p><?php
}  // if-else ($foo) ?>

Whether that's easier to read than:

<?php
if ($foo): ?>
   <p>Foo!</p><?php
else: ?>
   <p>Bar!</p><?php
endif; ?>

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