initial import

lib/classes/graphik/common.php

@@ -0,0 +1,96 @@
+<?php
+/*
+ * This work is hereby released into the Public Domain.
+ * To view a copy of the public domain dedication,
+ * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
+ *
+ */
+
+/*
+ * Get the minimum of an array and ignore non numeric values
+ */
+function array_min($array) {
+
+	if(is_array($array) and count($array) > 0) {
+	
+		do {
+			$min = array_pop($array);
+			if(is_numeric($min) === FALSE) {
+				$min = NULL;
+			}
+		} while(count($array) > 0 and $min === NULL);
+		
+		if($min !== NULL) {
+			$min = (float)$min;
+		}
+		
+		foreach($array as $value) {
+			if(is_numeric($value) and (float)$value < $min) {
+				$min = (float)$value;
+			}
+		}
+		
+		return $min;
+	
+	}
+	
+	return NULL;
+
+}
+
+/*
+ * Get the maximum of an array and ignore non numeric values
+ */
+function array_max($array) {
+
+	if(is_array($array) and count($array) > 0) {
+	
+		do {
+			$max = array_pop($array);
+			if(is_numeric($max) === FALSE) {
+				$max = NULL;
+			}
+		} while(count($array) > 0 and $max === NULL);
+
+		if($max !== NULL) {
+			$max = (float)$max;
+		}
+		
+		foreach($array as $value) {
+			if(is_numeric($value) and (float)$value > $max) {
+				$max = (float)$value;
+			}
+		}
+		
+		return $max;
+	
+	}
+	
+	return NULL;
+
+}
+/*
+ * Define file_put_contents() if needed
+ */
+if(function_exists('file_put_contents') === FALSE) {
+
+	function file_put_contents($file, $content) {
+		$fp = fopen($file, 'w');
+		if($fp) {
+			fwrite($fp, $content);
+			fclose($fp);
+		}
+	}
+	
+}
+
+/*
+ * Change error handler
+ */
+set_error_handler('errorHandlerArtichow');
+
+function errorHandlerArtichow($level, $message, $file, $line) {
+	awImage::drawError($message.' in '.$file.' on line '.$line.'.');
+}
+?>