classes/phing/Phing.php
public static function getResourcePath($path)
    {
        if (self::$importPaths === null) {
            self::$importPaths = self::explodeIncludePath();
        }

        $path = str_replace(array('\\', '/'), DIRECTORY_SEPARATOR, $path);

        foreach (self::$importPaths as $prefix) {
            $testPath = $prefix . DIRECTORY_SEPARATOR . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Check for the property phing.home
        $homeDir = self::getProperty(self::PHING_HOME);
        if ($homeDir) {
            $testPath = $homeDir . DIRECTORY_SEPARATOR . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Check for the phing home of phar archive
        if (strpos(self::$importPaths[0], 'phar://') === 0) {
            $testPath = self::$importPaths[0] . '/../' . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Do one additional check based on path of current file (Phing.php)
        $maybeHomeDir = realpath(__DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..');
        $testPath = $maybeHomeDir . DIRECTORY_SEPARATOR . $path;
        if (file_exists($testPath)) {
            return $testPath;
        }

        return null;
    }
public static function getResourcePath($path)
    {
        if (self::$importPaths === null) {
            self::$importPaths = self::explodeIncludePath();
        }

        $path = str_replace(array('\\', '/'), DIRECTORY_SEPARATOR, $path);

        foreach (self::$importPaths as $prefix) {
            $testPath = $prefix . DIRECTORY_SEPARATOR . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Check for the property phing.home
        $homeDir = self::getProperty(self::PHING_HOME);
        if ($homeDir) {
            $testPath = $homeDir . DIRECTORY_SEPARATOR . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Check for the phing home of phar archive
        if (strpos(self::$importPaths[0], 'phar://') === 0) {
            $testPath = self::$importPaths[0] . '/../' . $path;
            if (file_exists($testPath)) {
                return $testPath;
            }
        }

        // Do one additional check based on path of current file (Phing.php)
        $maybeHomeDir = realpath(__DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..');
        $testPath = $maybeHomeDir . DIRECTORY_SEPARATOR . $path;
        if (file_exists($testPath)) {
            return $testPath;
        }

        return null;
    }
public static function getResourcePath ( $ path ) { if ( self :: $ importPaths === null ) { self :: $ importPaths = self :: explodeIncludePath ( ) ; } $ path = str_replace ( array ( '\\' , '/' ) , DIRECTORY_SEPARATOR , $ path ) ; foreach ( self :: $ importPaths as $ prefix ) { $ testPath = $ prefix . DIRECTORY_SEPARATOR . $ path ; if ( file_exists ( $ testPath ) ) { return $ testPath ; } } // Check for the property phing.home $ homeDir = self :: getProperty ( self :: PHING_HOME ) ; if ( $ homeDir ) { $ testPath = $ homeDir . DIRECTORY_SEPARATOR . $ path ; if ( file_exists ( $ testPath ) ) { return $ testPath ; } } // Check for the phing home of phar archive if ( strpos ( self :: $ importPaths [ 0 ] , 'phar://' ) === 0 ) { $ testPath = self :: $ importPaths [ 0 ] . '/../' . $ path ; if ( file_exists ( $ testPath ) ) { return $ testPath ; } } // Do one additional check based on path of current file (Phing.php) $ maybeHomeDir = realpath ( __DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' ) ; $ testPath = $ maybeHomeDir . DIRECTORY_SEPARATOR . $ path ; if ( file_exists ( $ testPath ) ) { return $ testPath ; } return null ; }
Looks on include path for specified file.

@param string $path

@return string File found (null if no file found).
Looks on include path for specified file .