Script to load a file listing URL pairs and checking it redirects from the first to the second

curl-tester.php

<?php
// This script loads a list of urls from "curl-tester.txt" file to check for 301 redirects.
// The file format is two URL (source, 301 redirection destination) separated by space.

$file_list = 'curl-tester.txt';

function get_urls_list_from_file( $file ) {
  //$content = file_get_contents( $file );
  $out = array();
  $array = file( $file );

  foreach( $array as $line ) {
    if ( ! preg_match( '|^\s*//|', $line ) ) { // Not a comment
      $line = preg_replace( '#\n|\r#', "", $line );
      if ( ! $line == "" ) {
        $out[] = preg_split( '|\s+|', $line, 2, PREG_SPLIT_NO_EMPTY );
      }
    }
  }

  return $out;
}

function file_get_contents_with_header( $url ) {
  $curl = curl_init( $url );
  curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
  curl_setopt( $curl, CURLOPT_HEADER, true );

  // Request
  $response = curl_exec( $curl );
  if ( curl_error( $curl ) ) die( curl_error( $curl ) );

  // Parse
  $header_size = curl_getinfo( $curl, CURLINFO_HEADER_SIZE );
  $header = substr( $response, 0, $header_size );
  $body = substr( $response, $header_size );
  $status = curl_getinfo( $curl, CURLINFO_HTTP_CODE );

  curl_close( $curl );

  return array(
    'status' => $status,
    'header' => $header,
    'body' => $body
  );
}


// Run
$urls = get_urls_list_from_file( $file_list );

foreach ($urls as $url_pair ) {
  $url_to_check = $url_pair[0];
  $url_to_match = $url_pair[1];

  $response = file_get_contents_with_header( $url_to_check );

  $matches = array();
  if ( preg_match( '|Location:\s+([^\s\n\r]+)|', $response['header'], $matches ) ) {
    $location_url = $matches[1];

    if ( strpos( $location_url, $url_to_match ) !== false ) {
      echo "\nYES-301," . $url_to_check . "," . $location_url . "";
    } else {
      echo "\nNO-MATCH," . $url_to_check . "," . $url_to_match . "," . $location_url . "";
      //print_r( $matches );
    }
  } else {
    echo "\nNO-301," . $url_to_check . "";
  }

  //echo $response['header'];
}

curl-tester.txt

https://theme.wordpress.com/calypso-redirect-test/thetest https://wordpress.com/themes?calypso-redirect-test=thetest

// Root
https://themes.wordpress.com/themes https://theme.wordpress.com/
https://theme.wordpress.com/themes https://theme.wordpress.com
https://theme.wordpress.com https://wordpress.com/themes
https://theme.wordpress.com/ https://wordpress.com/themes

// Shops
https://theme.wordpress.com/themes/by/automattic/page/2 https://wordpress.com/themes/premium?s=automattic
https://theme.wordpress.com/themes/bari/support https://wordpress.com/theme/bari/support

// Themes
https://theme.wordpress.com/themes/chateau/ https://wordpress.com/theme/chateau

// Retired themes
https://theme.wordpress.com/themes/ecto https://wordpress.com/theme/ecto

// Features
https://theme.wordpress.com/themes/features/black+wordads/?sort=free&theme-search=bla https://wordpress.com/themes/free/filter/black+wordads?s=bla
https://theme.wordpress.com/themes/sort/free/ https://wordpress.com/themes/free
https://theme.wordpress.com/themes/sort/newest https://wordpress.com/themes
https://theme.wordpress.com/themes/search/blabla https://wordpress.com/themes?s=blabla
https://theme.wordpress.com/themes/features/black+wordads/?sort=free https://wordpress.com/themes/free/filter/black+wordads
https://theme.wordpress.com/themes/features/black+wordads/?sort=free&theme-search=blabla https://wordpress.com/themes/free/filter/black+wordads?s=blabla
https://theme.wordpress.com/themes/features/fixed-width /themes/features/fixed-layout
https://theme.wordpress.com/themes/layouts/fixed-layout https://wordpress.com/themes/filter/fixed-layout

// Landing pages
https://theme.wordpress.com/customize https://wordpress.com/easy/

// Custom Sites
https://theme.wordpress.com/credits/littlewolfblog.com/ https://wordpress.com/themes

// Themes with name changed
https://theme.wordpress.com/themes/eventbrite-multi /themes/eventbrite-venue
https://theme.wordpress.com/themes/eventbrite-single /themes/eventbrite-event
https://theme.wordpress.com/themes/photography-classic /themes/photography
https://theme.wordpress.com/themes/photography-classic/support /themes/photography/support
https://theme.wordpress.com/themes/largo /themes/journalistic
https://theme.wordpress.com/themes/largo/support /themes/journalistic/support







// Catch all
https://theme.wordpress.com/little/brown/cat		https://wordpress.com/themes