imagecolorat

Function • Params and return types changed in PHP 8.0

Get the index of the color of a pixel.

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

imagecolorat Function synopsis

imagecolorat(
    GdImage $image,
    int $x,
    int $y
  ): int|false

Parameters

$image

TypeGdImage

$x

Typeint

x-coordinate of the point.

$y

Typeint

y-coordinate of the point.

Return value

Typeint|false

Returns the index of the color or false on failure.

Changes to the imagecolorat Function

PHP 8.0

  • Return type added: int|false
  • Parameter name of parameter #1 changed: $im to $image
  • Parameter type added for parameter #1 ($image): GdImage
  • Parameter type added for parameter #2 ($x): int
  • Parameter type added for parameter #3 ($y): int
  imagecolorat(
-     $im,
+     GdImage $image,
-     $x,
+     int $x,
-     $y
+     int $y
-   )
+   ): int|false

imagecolorat 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