For example:
<?php $foo = 'blah'; ?>
<?php echo $foo; ?>
Do I need to put a global $foo; before the echo in the second <?php ?>?
For example: <?php $foo = ‘blah’; ?> <?php echo $foo; ?> Do I need
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For example:
<?php $foo = 'blah'; ?>
<?php echo $foo; ?>
Do I need to put a global $foo; before the echo in the second <?php ?>?
Nope, that will work fine as is.
You only need to use global when the variable is accessed in a function/class or otherwise not in the immediate scope it was declared in.