Another reason to switch to PHP 5.0 from PHP 4.0: iterators

One for the "missing foreign combatants" department | Main | Poor mickey mooreoon....... ยป
Posted: July 27, 2004
O'Reilly's has this cool example:

PHP 4.X:

$dir = opendir($path);
while (false !== ($file = readdir($dir))) {
print "$file\n";

PHP 5.0

foreach (new DirectoryIterator($path) as $file) {
print "$file\n";

The PHP team is really trying to go for Microsoft's ASP.NET now. According to the article, the PHP team has added iterators for XML and database access as well. The database part is particularly exciting because it allows for cleaner, more object-oriented access to databases.

The rest of the article is a good explanation of the major differences between PHP 4.X and 5.0. Anyone needing help getting PHP 5.0 built on their hosting service should check out my brief explanation of how to compile it as a CGI executable and override your hosting service's built in version. Granted, those instructors are based in part on my hosting service,'s, service options.

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