lepton_tools.php

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<?php
 
declare(strict_types=1);
 
class LEPTON_tools
{
    static public bool $use_var_dump = false;
 
    static public function use_var_dump(bool $bUseVarDump=true): void
    {
        self::$use_var_dump = $bUseVarDump;
    }
 
    static function display(mixed $something_to_display ="", string $tag="pre", string|null $css_class=null ): string
    {
        $s = "\n<".$tag.( NULL === $css_class ? "" : " class='".$css_class."'").">\n";
        ob_start();
            (true === self::$use_var_dump)
            ? var_dump( $something_to_display )
            : print_r( $something_to_display )
            ;
        $s .= ob_get_clean();
        $s .= "\n</".$tag.">\n";
 
        return $s;
    }
 
    // create signature image
    static function base64ToImage(string $base64_string, string $output_file): string
    {
        $file = fopen($output_file, "wb");
 
        $data = explode(',', $base64_string);
 
        fwrite($file, base64_decode($data[1]));
        fclose($file);
 
        return $output_file;
    }
}