imagecolorset

FunctionReturn type changed in PHP 8.2

Set the color for the specified palette index.

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

imagecolorset Function synopsis

imagecolorset(
    GdImage $image,
    int $color,
    int $red,
    int $green,
    int $blue,
    int $alpha = 0
  ): ?false

Parameters

$image

TypeGdImage

$color

Typeint

An index in the palette.

$red

Typeint

Value of red component.

$green

Typeint

Value of green component.

$blue

Typeint

Value of blue component.

$alpha

OptionalTypeintDefault value0

Value of alpha component.

Return value

Type?false

The function returns null on success, or false on failure.

Changes to the imagecolorset Function

PHP 8.2

  • Return type changed: ?bool to ?false
  imagecolorset(
      GdImage $image,
      int $color,
      int $red,
      int $green,
      int $blue,
      int $alpha = 0
-   ): ?bool
+   ): ?false

PHP 8.0

  • Return type added: ?bool
  • Parameter name of parameter #1 changed: $im to $image
  • Parameter type added for parameter #1 ($image): GdImage
  • Parameter type added for parameter #2 ($color): int
  • Parameter type added for parameter #3 ($red): int
  • Parameter type added for parameter #4 ($green): int
  • Parameter type added for parameter #5 ($blue): int
  • Parameter type added for parameter #6 ($alpha): int
  • Parameter default value added for position #6 ($alpha): 0
  imagecolorset(
-     $im,
+     GdImage $image,
-     $color,
+     int $color,
-     $red,
+     int $red,
-     $green,
+     int $green,
-     $blue,
+     int $blue,
-     $alpha
+     int $alpha = 0
-   )
+   ): ?bool

PHP 5.4

  • Optional parameter added - #6: $alpha
 imagecolorset(
     $im,
     $color,
     $red,
     $green,
-    $blue
+    $blue,
+    $alpha
   )

imagecolorset 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