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Last updated: Fri, 22 Aug 2008

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imageistruecolor

(PHP 4 >= 4.3.2, PHP 5)

imageistruecolorFinds whether an image is a truecolor image

Descripción

bool imageistruecolor ( resource $image )

imageistruecolor() finds whether the image image is a truecolor image.

Lista de parámetros

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

Valores retornados

Returns TRUE if the image is truecolor, FALSE otherwise.

Ejemplos

Example #1 Simple detection of true color image instances using imageistruecolor()

<?php
// $im is an image instance

// Check if image is a true color image or not
if(!imageistruecolor($im))
{
    
// Create a new true color image instance
    
$tc imagecreatetruecolor(imagesx($im), imagesy($im));

    
imagecopy($tc$im0000imagesx($im), imagesy($im));
    
imagedestroy($im);

    
$im $tc;
    
$tc NULL;
}

// Continue working with image instance
?>

Notes

Note: Esta funcion requiere GD 2.0.1 o posterior.

Ver también



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imagejpeg> <imageinterlace
Last updated: Fri, 22 Aug 2008
 
 
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