php script for parsing html element attributes

php-html-attr-parser.php

<?php

// TEST
//print_r(getTagAttributes('<img enabled href=/fuck/my/attr/syntax" disabled id="idofmyelemtnt" title="Incredible Web Site" src="/images/incredibility.jpg" style="height:300px;width:900px;" />'));

function getTagAttributes($htmlortag, $name = false) {		// name=false returns all attributes as array
	$p = 0;
	$tag = false;
	$inquote = false;
	$started = false;
	$stack = '';
	$attrState = -1;	// -1:NOTHING   1:NAME 2:VALUE
	$currentAttr = false;
	$attrValuePos = -1;
	$attr = array();
	while ($p < strlen($htmlortag)) {
		$c = substr($htmlortag, $p, 1);

		if ($c==' ' && $started && !$tag) {
			$tag = $stack;
			$stack = '';

		} else if ($started && $c=='>' && ($attrState!=2 || $inquote==' ')) {		// END OF TAG (if not in a value, doesn't work without braces)
			$started = false;
			if ($attrState==1 && trim($stack)!='/')
				$attr[trim($stack)] = true;
			if ($attrState==2)
				$attr[$currentAttr] = $stack;
			break;	// DONE

		} else if ($started && $tag && $c=='=' && $attrState!=2) {					// END OF ATTR NAME, BEGIN OF VALUE
			$currentAttr = trim($stack);
			$stack = '';
			$attrState = 2;

		} else if ($started && $tag && $c==' ' && $attrState==1) {					// END OF ATTR NAME, BEGIN OF VALUE
			$currentAttr = trim($stack);
			$stack = '';
			$attrState = 5;
			
		} else if ($started && $tag && $attrState==5) {								// CHAR AFTER SPACE AFTER ATTR NAME, BEGIN OF ANOTHER ATTR
			$attr[$currentAttr] = true;
			$currentAttr = false;
			$stack .= $c;
			$attrState = 1;

		} else if (!$started && $c=='<') {											// BEGIN OF TAG
			$started = true;

		} else if ($started && $tag && $attrState==2 && $c===$inquote) {			// END OF VALUE
			$attr[$currentAttr] = $stack;
			$stack = '';
			$attrState = -1;
			$inquote = false;
			$attrValuePos = -1;
			
		} else if ($started && $tag && $attrState==2 && $attrValuePos == -1) {		// MIDDLE OF VALUE
			$attrValuePos = 0;
			if ($c=='\'') $inquote = '\'';
			else if ($c=='"') $inquote = '"';
			else {
				$inquote = ' ';
				$stack .= $c;
				$attrValuePos = 1;
			}

		} else if ($started && $tag && $attrState==-1) {							// BEGIN OF ATTR NAME
			$attrState = 1;
			$stack .= $c;
			
		} else {
			$stack .= $c;
			if ($attrState==2) $attrValuePos++;

		}
		$p++;
	}
	return $name ? $attr[$name] : $attr;
}

http://www.w3schools.com/php/php_switch.asp