Manuale PHP
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imagetypes

(PHP 3 CVS only, PHP 4 >= 4.0.2, PHP 5)

imagetypes -- Return the image types supported by this PHP build

Descrizione

int imagetypes ( void )

Returns the image types supported by the current PHP installation.

Valori restituiti

Returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP | IMG_XPM.

Esempi

Esempio 1. Checking for PNG support

<?php
if (imagetypes() & IMG_PNG) {
    echo "PNG Support is enabled";
}
?>



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