Generate HTML tag from array of parameters. Support for valueless parameters and self-closing tag.

htmlize.php

	<?php
	/*! Generate HTML tag
		*  @param    string $tag tag name (like "a" for <a>)
		*  @param    type   $params array of parameters in the format property => value. If value is null (strict), add valueless property
		*  @param    mixed  $content if null, generate self-closing tag; if value is given, even empty, add content and close tag
		*  @return   Generated HTML tag
		*  @ingroup  html
		*  @version  2
	*/
	function htmlize($tag, $params = [], $content = null) {
		$paramStr = '';
		foreach ($params as $property => $value) {
			if ($value === null) $paramStr .= " {$property}"; else {
				if (is_bool($value)) $value = booltostr($value);
				$paramStr .= sprintf(' %s="%s"', $property, htmlspecialchars($value));
			}
		}
		
		$ret = sprintf('<%s%s>', $tag, $paramStr);
		if ($content !== null) $ret .= sprintf('%s</%s>', $content, $tag);
		
		return $ret;
	}
	

htmlize_example.php

<?php
echo htmlize('p'); // <p>
echo htmlize('input', ['checked' => null, 'class' => 'form-control']); // <input checked class="form-control">
echo htmlize('a', ['href' => 'http://example.com', 'target' => 'isevil'], 'foobar'); // <a href="http://example.com" target="isevil">foobar</a>