generate html

script.php

<?php

function arrayToAttrs($attrs)
{
    if (!is_array($attrs)) {
        return '';
    }
    
    
    $result = '';
    foreach($attrs as $key => $val)
    {
        $result .= "{$key}=\"{$val}\"";
    }
    
    return $result;
}

function node($name, $content = null, $attrs = [])
{
    $node = "<$name ";
    $node .= arrayToAttrs($attrs);
    if ($content == null) {
        $node .= "/>";
        
        return $node;
    }
    
    print_r($attrs);
    
    $node .= ">$content</$name>";
    
    return $node;
}

echo node('div', 
    implode([node('h1', 'login'),
            node('input', null, ['name' => 'email']),
            node('input', null, ['name' => 'password']),
            node('button', 'submit')
        ])
, ['class' => 'login']);

/*
<div class="login">
	<h1>login</h1>
	<input name="email" />
	<input name="password" />
	<button>submit</button>
</div>
*/