Created
January 28, 2021 10:00
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HTML cutter when you want to preserver formatting and avoid strip_tags and still be able to grab a substr (which can cut off HTML-tags)
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<?php | |
function yanco_html_cut($text, $max_length) | |
{ | |
$tags = array(); | |
$result = ""; | |
$is_open = false; | |
$grab_open = false; | |
$is_close = false; | |
$in_double_quotes = false; | |
$in_single_quotes = false; | |
$tag = ""; | |
$i = 0; | |
$stripped = 0; | |
$stripped_text = strip_tags($text); | |
while ($i < strlen($text) && $stripped < strlen($stripped_text) && $stripped < $max_length) { | |
$symbol = $text{ | |
$i}; | |
$result .= $symbol; | |
switch ($symbol) { | |
case '<': | |
$is_open = true; | |
$grab_open = true; | |
break; | |
case '"': | |
if ($in_double_quotes) | |
$in_double_quotes = false; | |
else | |
$in_double_quotes = true; | |
break; | |
case "'": | |
if ($in_single_quotes) | |
$in_single_quotes = false; | |
else | |
$in_single_quotes = true; | |
break; | |
case '/': | |
if ($is_open && !$in_double_quotes && !$in_single_quotes) { | |
$is_close = true; | |
$is_open = false; | |
$grab_open = false; | |
} | |
break; | |
case ' ': | |
if ($is_open) | |
$grab_open = false; | |
else | |
$stripped++; | |
break; | |
case '>': | |
if ($is_open) { | |
$is_open = false; | |
$grab_open = false; | |
array_push($tags, $tag); | |
$tag = ""; | |
} else if ($is_close) { | |
$is_close = false; | |
array_pop($tags); | |
$tag = ""; | |
} | |
break; | |
default: | |
if ($grab_open || $is_close) | |
$tag .= $symbol; | |
if (!$is_open && !$is_close) | |
$stripped++; | |
} | |
$i++; | |
} | |
while ($tags) | |
$result .= "</" . array_pop($tags) . ">"; | |
return $result; | |
} |
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