is_resource

Logo Intervention/image Intervention/image
Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Finds whether a variable is a resource
is_resource(mixed $value): bool
    public function isGdResource()

    {

        if (is_resource($this->data)) {

            return (get_resource_type($this->data) == 'gd');

        }
src/Intervention/Image/AbstractDecoder.php
    public function isStream()

    {

        if ($this->data instanceof StreamInterface) return true;

        if (!is_resource($this->data)) return false;

        if (get_resource_type($this->data) !== 'stream') return false;



        return true;
src/Intervention/Image/AbstractDecoder.php
    {

        $backupName = $this->argument(0)->value();



        if (is_resource($backup = $image->getBackup($backupName))) {




            imagedestroy($image->getCore());
src/Intervention/Image/Gd/Commands/ResetCommand.php