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is_gd_image › WordPress Function

Seit5.6.0
Veraltetn/v
› is_gd_image ( $image )
Parameter:
  • (resource|GdImage|false) $image A value to check the type for.
    Erforderlich: Ja
Gibt zurück:
  • (bool) True if `$image` is either a GD image resource or a GdImage instance, false otherwise.
Definiert in:
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.


Ähnliche Funktionen: has_header_image, is_time, file_is_valid_image, wp_load_image, is_date

Quellcode 

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

	return false;
}