The examples in this article describe the usage of php built-in functions. Share it with everyone for your reference. The specific analysis is as follows:
In PHP, you can embed a function inside the function, and the calling scope is limited to the function itself
<?php
function msg()
{
echo("<center><h2>Displaying even
numbers</h2></center><p><p>");
function displayeven()
{
$ctr=0;
echo("<font size=4>");
for($i=2;$i<=100;$i+=2)
{
echo("$i ");
$ctr++;
if($ctr%10==0)
{
echo("<p>");
}
}
echo("</font>");
}
}
msg();
displayeven();
?>I hope this article will be helpful to everyone’s PHP programming design.
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