fix: properly cast to string

Signed-off-by: otengkwame <developerkwame@gmail.com>

Author: otengkwame

CodeIgniter/Framework/core/Lang.php

@@ -192,6 +192,8 @@ public function use($langfile, $idiom = '', $return = false, $add_suffix = true,
 	 */
 	public function line($line, $log_errors = true)
 	{
+		$line = (string) $line;
+
 		$value = isset($this->language[$line]) ? $this->language[$line] : false;
 
 		// Because killer robots like unicorns!

CodeIgniter/Framework/database/DB_query_builder.php

@@ -2507,7 +2507,7 @@ protected function _is_literal(string $str): bool
 	{
 		$str = trim($str);
 
-		if (empty($str) or ctype_digit($str) or (string) (float) $str === $str or in_array(strtoupper($str), ['TRUE', 'FALSE'], true)) {
+		if (empty($str) or ctype_digit((string) $str) or (string) (float) $str === $str or in_array(strtoupper($str), ['TRUE', 'FALSE'], true)) {
 			return true;
 		}
 

CodeIgniter/Framework/database/drivers/postgre/postgre_driver.php

@@ -95,7 +95,7 @@ protected function _build_dsn()
 
 		$this->hostname === '' or $this->dsn = 'host=' . $this->hostname . ' ';
 
-		if (! empty($this->port) && ctype_digit($this->port)) {
+		if (! empty($this->port) && ctype_digit((string) $this->port)) {
 			$this->dsn .= 'port=' . $this->port . ' ';
 		}
 

CodeIgniter/Framework/libraries/Image_lib.php

@@ -610,7 +610,7 @@ public function initialize($props = [])
 		// Set the quality
 		$this->quality = trim(str_replace('%', '', $this->quality));
 
-		if ($this->quality === '' or $this->quality === 0 or ! ctype_digit($this->quality)) {
+		if ($this->quality === '' or $this->quality === 0 or ! ctype_digit((string) $this->quality)) {
 			$this->quality = 90;
 		}
 

CodeIgniter/Framework/libraries/Pagination.php

@@ -508,7 +508,7 @@ public function create_links()
 
 		// If something isn't quite right, back to the default base page.
 		// A fix for this is below [if ( ! ctype_digit($this->cur_page) OR ($this->use_page_numbers && (int) $this->cur_page === 0))
-		if (! ctype_digit((string)$this->cur_page) or ($this->use_page_numbers && (int) $this->cur_page === 0)) {
+		if (! ctype_digit((string) $this->cur_page) or ($this->use_page_numbers && (int) $this->cur_page === 0)) {
 			$this->cur_page = $base_page;
 		} else {
 			// Make sure we're using integers for comparisons later.

CodeIgniter/Framework/libraries/Trackback.php

@@ -387,7 +387,7 @@ public function get_id($url): string|bool
 			}
 		}
 
-		return ctype_digit($tb_id) ? $tb_id : false;
+		return ctype_digit((string) $tb_id) ? $tb_id : false;
 	}
 
 	// --------------------------------------------------------------------