imageistruecolor

Function • Params and return types changed in PHP 8.0

Finds whether an image is a truecolor image.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

imageistruecolor Function synopsis

imageistruecolor(GdImage $image): bool

Parameters

$image

TypeGdImage

Return value

Typebool

Returns true if the $image is truecolor, false otherwise.

Changes to the imageistruecolor Function

PHP 8.0

  • Return type added: bool
  • Parameter name of parameter #1 changed: $im to $image
  • Parameter type added for parameter #1 ($image): GdImage
- imageistruecolor($im)
+ imageistruecolor(GdImage $image): bool

imageistruecolor Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes