Strip content from between header and footer tags and insert into WordPress database

contentstrip.php

<?php

function getMiddle($first, $end, $contents, $file)
{
    $arrBegin = explode($first, $contents);
    
    if (count($arrBegin) != 2)
    {
        echo 'Bad Begin: '.$file;
        die();
    }
    
    $arrEnd = explode($end, $arrBegin[1]);
    
    if (count($arrEnd) != 2)
    {
        echo 'Bad End: '.$file;
        die();
    }
    
    return $arrEnd[0];
}

function replaceComponents($content)
{
    $content = str_replace(array(
        'src="img/',
        '.php"',
    ), array(
        'src="/wp-content/themes/custom/img/',
        '"',
    ), $content);
    
    $content = trim($content);
    
    return $content;
}

function getFileName($file, &$arr)
{
    $arr[] = str_replace('.php', '', basename($file));
}

function getTitle($content, &$arr)
{
    $regex = '#<h1>(.*?)</h1>#';
    $code = preg_match($regex, $content, $matches);
    if (count($matches) != 2)
    {
        echo 'Bad Title: ';
        print_r($matches);
        die();
    }
    
    $arr[] = $matches[1];
}

$files = glob(__DIR__.'/source/*.php');

$arrContent = array();
$names = array();
$titles = array();

foreach ($files as $file)
{
    // Get the contents
    $contents = file_get_contents($file);

    // Get the middle (strip header and footer)
    $output = getMiddle('/header>', '<footer', $contents, $file);

    // Convert absolute links to relative links
    $output = replaceComponents($output);

    // Get the required WordPress information
    getFileName($file, $names);
    getTitle($output, $titles);
    $arrContent[] = $output;

    // Save the new file
    file_put_contents(__DIR__.'/dest/'.basename($file), $output);
}

//print_r($titles);
//print_r($names);
//print_r($arrContent);
//die();

$queries = '';

$start = 10;

for($i = 0; $i < count($names); $i++)
{
    $content = mysql_real_escape_string($arrContent[$i]);
    $title = mysql_real_escape_string($titles[$i]);
    $name = mysql_real_escape_string($names[$i]);
    
    $guid = mysql_real_escape_string('http://localhost/page_id='.($start+$i));
    
    $query = "INSERT INTO wp_posts SET
    post_author=1,
    post_date=now(),
    post_date_gmt=now(),
    post_content='$content',
    post_title='$title',
    post_excerpt='',
    post_status='publish',
    comment_status='open',
    ping_status='open',
    post_password='',
    post_name='$name',
    to_ping='',
    pinged='',
    post_modified=now(),
    post_modified_gmt=now(),
    post_content_filtered='',
    post_parent='107',
    guid='$guid',
    menu_order='0',
    post_type='page',
    post_mime_type='',
    comment_count='0';
    ";
    
    $queries .= $query;
}

print_r($queries);

echo 'Done';