PhabricatorGDSetupCheck.php
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	<?php

	final class PhabricatorGDSetupCheck extends PhabricatorSetupCheck {

	public function getDefaultGroup() {
	return self::GROUP_OTHER;
	}

	protected function executeChecks() {
	if (!extension_loaded('gd')) {
	$message = pht(
	"The '%s' extension is not installed. Without '%s', support, ".
	"Phabricator will not be able to process or resize images ".
	"(for example, to generate thumbnails). Install or enable '%s'.",
	'gd',
	'gd',
	'gd');

	$this->newIssue('extension.gd')
	->setName(pht("Missing '%s' Extension", 'gd'))
	->setMessage($message);
	} else {
	$image_type_map = array(
	'imagecreatefrompng' => 'PNG',
	'imagecreatefromgif' => 'GIF',
	'imagecreatefromjpeg' => 'JPEG',
	);

	$have = array();
	foreach ($image_type_map as $function => $image_type) {
	if (function_exists($function)) {
	$have[] = $image_type;
	}
	}

	$missing = array_diff($image_type_map, $have);
	if ($missing) {
	$missing = implode(', ', $missing);
	$have = implode(', ', $have);

	$message = pht(
	"The '%s' extension has support for only some image types. ".
	"Phabricator will be unable to process images of the missing ".
	"types until you build '%s' with support for them. ".
	"Supported types: %s. Missing types: %s.",
	'gd',
	'gd',
	$have,
	$missing);

	$this->newIssue('extension.gd.support')
	->setName(pht("Partial '%s' Support", 'gd'))
	->setMessage($message);
	}
	}
	}
	}