upd: include paths

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/utils.php b/lib/utils.php
new file mode 100644
index 0000000..87d96c6
--- /dev/null
+++ b/lib/utils.php
@@ -0,0 +1,68 @@
+<?php
+function json_response(mixed $response, int $status = 200)
+{
+    http_response_code($status);
+    header("Content-Type: application/json");
+    echo json_encode($response);
+}
+
+function generate_random_string(int $length): string
+{
+    $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    $output = "";
+
+    for ($i = 0; $i < $length; $i++) {
+        $charindex = random_int(0, strlen($chars) - 1);
+        $output .= $chars[$charindex];
+    }
+
+    return $output;
+}
+
+function str_safe(string $s, int|null $max_length, bool $remove_new_lines = true): string
+{
+    $output = $s;
+
+    if ($remove_new_lines) {
+        $output = str_replace(PHP_EOL, "", $output);
+    }
+
+    $output = htmlspecialchars($output);
+    $output = strip_tags($output);
+
+    if ($max_length) {
+        $output = substr($output, 0, $max_length);
+    }
+
+    $output = trim($output);
+
+    return $output;
+}
+
+function format_timestamp(int $timestamp_secs)
+{
+    $days = (int) floor($timestamp_secs / (60.0 * 60.0 * 24.0));
+    $hours = (int) floor(round($timestamp_secs / (60 * 60)) % 24);
+    $minutes = (int) floor(round($timestamp_secs % (60 * 60)) / 60);
+    $seconds = (int) floor($timestamp_secs % 60);
+
+    if ($days == 0 && $hours == 0 && $minutes == 0) {
+        return "$seconds second" . ($seconds > 1 ? "s" : "");
+    } else if ($days == 0 && $hours == 0) {
+        return "$minutes minute" . ($minutes > 1 ? "s" : "");
+    } else if ($days == 0) {
+        return "$hours hour" . ($hours > 1 ? "s" : "");
+    } else {
+        return "$days day" . ($days > 1 ? "s" : "");
+    }
+}
+
+function clamp(int $current, int $min, int $max): int
+{
+    return max($min, min($max, $current));
+}
+
+function in_range(float $value, float $min, float $max): bool
+{
+    return $min <= $value && $value <= $max;
+}
\ No newline at end of file