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is_gd_image › WordPress Function

Da5.6.0
Deprecaton/a
› is_gd_image ( $image )
Parametri:
  • (resource|GdImage|false) $image A value to check the type for.
    Richiesto: Sì
Ritorna:
  • (bool) True if `$image` is either a GD image resource or a GdImage instance, false otherwise.
Definito a:
Codex:

Determines whether the value is an acceptable type for GD image functions.

In PHP 8.0, the GD extension uses GdImage objects for its data structures. This function checks if the passed value is either a GdImage object instance or a resource of type gd. Any other type will return false.


Funzioni correlate: has_header_image, is_time, file_is_valid_image, wp_load_image, is_date

Sorgenti 

function is_gd_image( $image ) {
	if ( $image instanceof GdImage
		|| is_resource( $image ) && 'gd' === get_resource_type( $image )
	) {
		return true;
	}

	return false;
}