64mail-theme/bin/cssimages.sh

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2021-11-21 03:09:44 -06:00
#!/usr/bin/env php
<?php
foreach (get_files(__DIR__ . '/..') as $file) {
print "Processing $file\n";
$content = file_get_contents($file);
$regexp = "#url\(['\"]?([a-zA-Z0-9_./-]+)(\?v=[a-f0-9-\.]+)?['\"]?\)#";
if (preg_match_all($regexp, $content, $matches)) {
$seen = [];
foreach ($matches[1] as $idx => $image) {
if (!in_array($image, $seen) && preg_match('/\.(gif|ico|png|jpg|jpeg)$/', $image)) {
$filepath = pathinfo($file, PATHINFO_DIRNAME) . "/$image";
if (file_exists($filepath)) {
$sum = substr(md5_file($filepath), 0, 4) . '.' . filesize($filepath);
}
else {
print "ERROR: Missing image: $filepath\n";
continue;
}
$content = str_replace($matches[0][$idx], "url($image?v=$sum)", $content);
}
$seen[] = $image;
}
file_put_contents($file, $content);
}
}
function get_files($dir)
{
$files = [];
$dh = opendir($dir);
while ($file = readdir($dh)) {
if (preg_match('/^(.+)\.min\.css$/', $file, $m)) {
$files[] = "$dir/$file";
}
else if ($file[0] != '.' && is_dir("$dir/$file")) {
foreach (get_files("$dir/$file") as $f) {
$files[] = $f;
}
}
}
closedir($dh);
return $files;
}