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Php > Statistics and Counters Code Examples

Count Code Lines

Count Code Lines

<?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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