TechDivision\Import\Cli\Simple::removeLineFromFile()

Complexity

Conditions	8
Paths	16

Size

Total Lines	57
Code Lines	24

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	72

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function removeLineFromFile($line, $filename)
    {

        // query whether or not the filename
        if (!file_exists($filename)) {
            throw new FileNotFoundException(sprintf('File %s doesn\' exists', $filename));
        }

        // open the PID file
        $fh = fopen($filename, 'r+');

        // initialize the array for the PIDs found in the PID file
        $lines = array();

        // initialize the flag if the line has been found
        $found = false;

        // read the lines with the PIDs from the PID file
        while (($buffer = fgets($fh, 4096)) !== false) {
            // remove the new line
            $buffer = trim($buffer, PHP_EOL);
            // if the line is the one to be removed, ignore the line
            if ($line === $buffer) {
                $found = true;
                continue;
            }

            // add the found PID to the array
            $lines[] = $buffer;
        }

        // query whether or not, we found the line
        if (!$found) {
            throw new LineNotFoundException(sprintf('Line %s can not be found in file %s', $line, $filename));
        }

        // if there are NO more lines, delete the file
        if (sizeof($lines) === 0) {
            fclose($fh);
            unlink($filename);
            return;
        }

        // empty the file and rewind the file pointer
        ftruncate($fh, 0);
        rewind($fh);

        // append the existing lines to the file
        foreach ($lines as $ln) {
            if (fwrite($fh, $ln . PHP_EOL) === false) {
                throw new \Exception(sprintf('Can\'t write %s to file %s', $ln, $filename));
            }
        }

        // finally close the file
        fclose($fh);
    }