Make it.class PHP4 compatible again

1 files changed, 27 insertions, 17 deletions

diff --git a/it.class b/it.class
index 95bb2f7..226a88d 100644
--- a/it.class
+++ b/it.class
@@ -23,11 +23,6 @@
 
 class it
 {
-	static $stdin_args = array();
-	static $stdin = null;
-	static $stdin_filename = "";
-	static $stdin_line = 0;
-
 /**
  * Clone an object and return copy, works for all PHP versions
  */
@@ -52,7 +47,7 @@ function log($name /* ... */)
 
 	$existed = file_exists($fn);
 
-	if ($fh = fopen($fn, "a"))
+	if (isset($GLOBALS['ULTRAHOME']) && ($fh = fopen($fn, "a")))
 	{
 		fputs($fh, $line);
 		fclose($fh);
@@ -385,7 +380,15 @@ function _exec_quotevalue($value)
 function imageconvert($p)
 {
 	$result = false;
-	$type = it::replace(array("jpeg" => "jpg", "tiff" => "tif"), image_type_to_extension(@exif_imagetype($p['in']), false));
+	$imagetype = @exif_imagetype($p['in']);
+
+	if (!function_exists("image_type_to_extension") || !($type = it::replace(array("jpeg" => "jpg", "tiff" => "tif"), image_type_to_extension($imagetype, false))))
+	{
+		# Fallback for PHP4
+		$knowntypes = array(IMAGETYPE_GIF => "gif", IMAGETYPE_JPEG => "jpg", IMAGETYPE_PNG => "png", IMAGETYPE_BMP => "bmp");
+		$type = $knowntypes[$imagetype];
+	}
+
 	$p += array('type' => $type, 'types' => "gif,jpg,png,bmp,tif,jp2");
 
 	if (it::match(",$type,", ",{$p['types']},"))	# Valid type?
@@ -408,10 +411,17 @@ function imageconvert($p)
  */
 function getopt($helplines)
 {
+	$GLOBALS['it_stdin'] = array(
+		'fd' => null,
+		'args' => array(),
+		'filename' => "",
+		'line' => 0,
+	);
+
 	$result = array('args' => array());
 
 	if ($indentation = it::match('^\s+', $helplines))
-		$helplines = it::replace($indentation => "\n", $helplines);
+		$helplines = it::replace(array($indentation => "\n"), $helplines);
 
 	foreach(explode("\n", trim($helplines)) as $helpline)
 	{
@@ -435,7 +445,7 @@ function getopt($helplines)
 	}
 
 	$mandatoryargs = array();
-	if ($tmp = trim(it::replace("\n.*" => "", "^\S+\s+\S+\s*" => "", "\[.*?\]\s*" => "", trim($helplines))))
+	if ($tmp = trim(it::replace(array("\n.*" => "", "^\S+\s+\S+\s*" => "", "\[.*?\]\s*" => ""), trim($helplines))))
 		$mandatoryargs = preg_split('/\s+/', $tmp);
 
 	foreach (array_slice($_SERVER['argv'], 1) as $arg)
@@ -459,7 +469,7 @@ function getopt($helplines)
 		}
 		else if ($letters = it::match('^-(\w+)', $arg))
 		{
-			foreach (str_split($letters, 1) as $letter)
+			foreach (explode("\n", trim(chunk_split($letters, 1, "\n"))) as $letter)
 			{
 				$optname = $alias[$letter] ? $alias[$letter] : $letter;
 				if ($witharg[$optname])
@@ -482,7 +492,7 @@ function getopt($helplines)
 		exit(1);
 	}
 
-	it::$stdin_args = $result['args'] ? $result['args'] : array("-");
+	$GLOBALS['it_stdin']['args'] = $result['args'] ? $result['args'] : array("-");
 	it::_stdin_next();
 
 	return $result;
@@ -490,11 +500,11 @@ function getopt($helplines)
 
 function _stdin_next()
 {
-	if ($result = it::$stdin_args)
+	if ($result = $GLOBALS['it_stdin']['args'])
 	{
-		it::$stdin_filename = array_shift(it::$stdin_args);
-		it::$stdin = (it::$stdin_filename == "-") ? STDIN : @fopen(it::$stdin_filename, "r");
-		it::$stdin_line = 0;
+		$GLOBALS['it_stdin']['filename'] = array_shift($GLOBALS['it_stdin']['args']);
+		$GLOBALS['it_stdin']['fd'] = ($GLOBALS['it_stdin']['filename'] == "-") ? STDIN : @fopen($GLOBALS['it_stdin']['filename'], "r");
+		$GLOBALS['it_stdin']['line'] = 0;
 	}
 
 	return $result;
@@ -508,10 +518,10 @@ function _stdin_next()
 function gets()
 {
 	do {
-		$result = fgets(it::$stdin);
+		$result = fgets($GLOBALS['it_stdin']['fd']);
 	} while (($result === false) && it::_stdin_next());
 
-	it::$stdin_line++;
+	$GLOBALS['it_stdin']['line']++;
 	return $result;
 }