<?php
/*! Based on <https://github.com/mecha-cms/cms/blob/master/system/kernel/converter.php> */
function extract_html_attributes($input) {
if( ! preg_match('#^(<)([a-z0-9\-._:]+)((\s)+(.*?))?((>)([\s\S]*?)((<)\/\2(>))|(\s)*\/?(>))$#im', $input, $matches)) return false;
$matches[5] = preg_replace('#(^|(\s)+)([a-z0-9\-]+)(=)(")(")#i', '$1$2$3$4$5<attr:value>$6', $matches[5]);
$results = array(
'element' => $matches[2],
'attributes' => null,
'content' => isset($matches[8]) && $matches[9] == '</' . $matches[2] . '>' ? $matches[8] : null
);
if(preg_match_all('#([a-z0-9\-]+)((=)(")(.*?)("))?(?:(\s)|$)#i', $matches[5], $attrs)) {
$results['attributes'] = array();
foreach($attrs[1] as $i => $attr) {
$results['attributes'][$attr] = isset($attrs[5][$i]) && ! empty($attrs[5][$i]) ? ($attrs[5][$i] != '<attr:value>' ? $attrs[5][$i] : "") : $attr;
}
}
return $results;
}
/**
* Usage:
* ------
*
* var_dump(extract_html_attributes('<div id="foo">content</div>'));
* var_dump(extract_html_attributes('<img src="foo.jpg">'));
*
*/
Although some people would suggest you to use the DOM module, but this one is safe enough.
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