imagecolorexact

Function • Params and return types changed in PHP 8.0

Get the index of the specified color.

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

imagecolorexact Function synopsis

imagecolorexact(
    GdImage $image,
    int $red,
    int $green,
    int $blue
  ): int

Parameters

$image

TypeGdImage

$red

Typeint

Value of red component.

$green

Typeint

Value of green component.

$blue

Typeint

Value of blue component.

Return value

Typeint

Returns the index of the specified color in the palette, or -1 if the color does not exist.

Changes to the imagecolorexact Function

PHP 8.0

  • Return type added: int
  • Parameter name of parameter #1 changed: $im to $image
  • Parameter type added for parameter #1 ($image): GdImage
  • Parameter type added for parameter #2 ($red): int
  • Parameter type added for parameter #3 ($green): int
  • Parameter type added for parameter #4 ($blue): int
  imagecolorexact(
-     $im,
+     GdImage $image,
-     $red,
+     int $red,
-     $green,
+     int $green,
-     $blue
+     int $blue
-   )
+   ): int

imagecolorexact 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