I was curious as to how many line of code i had in my various projects. my projects usually span multipule directories so i needed to build-in directory walking. this function came as a result.

By : mydimension

<?php
/*
What it counts: all lines containing a semi-colon and all lines containing either an opened brace or a closed brace BUT NOT both.
What it dosen't count: lines terminated by a newline.
Syntax:
int countCodeLines( string $directory )
*/
function countCodeLines ($directory) {
$curDir = getcwd();
chdir($directory);

static $totalCodeLines;
$dir = opendir($directory);

while ($item = readdir($dir)) {
if ((is_dir($item)) && ($item != ".") && ($item != "..")) { //check to see if we need to walk into another directory
countCodeLines(realpath($item)); //recursive directory walking
} elseif (strrchr($item, ".") == ".php") { //count only php files
$lines = file($directory . "/" . $item);

foreach ($lines as $line) {
//count lines containg a semi-colon or
//lines containing either an opened brace or a closed brace BUT NOT both
if (preg_match("/\;/", $line) xor (preg_match("/\{/", $line) xor preg_match("/\}/", $line))) {
$totalCodeLines++;
}
}
}
}
chdir($curDir);
return $totalCodeLines; //return the final count
}
?>

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