Issues in BaseElement.php (master) - Issues in master - spatie/laravel-html - Measure and Improve Code Quality continuously with Scrutinizer

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Cross-Site Scripting

Cross-Site Scripting enables an attacker to inject code into the response of a web-request that is viewed by other users. It can for example be used to bypass access controls, or even to take over other users' accounts.

File Exposure

File Exposure allows an attacker to gain access to local files that he should not be able to access. These files can for example include database credentials, or other configuration files.

File Manipulation

File Manipulation enables an attacker to write custom data to files. This potentially leads to injection of arbitrary code on the server.

Object Injection

Object Injection enables an attacker to inject an object into PHP code, and can lead to arbitrary code execution, file exposure, or file manipulation attacks.

Code Injection

Code Injection enables an attacker to execute arbitrary code on the server.

Response Splitting

Response Splitting can be used to send arbitrary responses.

File Inclusion

File Inclusion enables an attacker to inject custom files into PHP's file loading mechanism, either explicitly passed to include, or for example via PHP's auto-loading mechanism.

Command Injection

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SQL Injection

SQL Injection enables an attacker to execute arbitrary SQL code on your database server gaining access to user data, or manipulating user data.

XPath Injection

XPath Injection enables an attacker to modify the parts of XML document that are read. If that XML document is for example used for authentication, this can lead to further vulnerabilities similar to SQL Injection.

LDAP Injection

LDAP Injection enables an attacker to inject LDAP statements potentially granting permission to run unauthorized queries, or modify content inside the LDAP tree.

Header Injection

Other Vulnerability

This category comprises other attack vectors such as manipulating the PHP runtime, loading custom extensions, freezing the runtime, or similar.

Regex Injection

Regex Injection enables an attacker to execute arbitrary code in your PHP process.

XML Injection

XML Injection enables an attacker to read files on your local filesystem including configuration files, or can be abused to freeze your web-server process.

Variable Injection

Variable Injection enables an attacker to overwrite program variables with custom data, and can lead to further vulnerabilities.

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src/BaseElement.php (2 issues)

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<?php

namespace Spatie\Html;

use BadMethodCallException;
use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Collection;
use Illuminate\Support\HtmlString;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;
use Spatie\Html\Exceptions\InvalidChild;
use Spatie\Html\Exceptions\InvalidHtml;
use Spatie\Html\Exceptions\MissingTag;

abstract class BaseElement implements Htmlable, HtmlElement
{
    use Macroable {
        __call as __macro_call;
    }

    /** @var string */
    protected $tag;

    /** @var \Spatie\Html\Attributes */
    protected $attributes;

    /** @var \Illuminate\Support\Collection */
    protected $children;

    public function __construct()
    {
        if (empty($this->tag)) {
            throw MissingTag::onClass(static::class);
        }

        $this->attributes = new Attributes();
        $this->children = new Collection();
    }

    public static function create()
    {
        return new static();
    }

    /**
     * @param string $attribute
     * @param string|null $value
     *
     * @return static
     */
    public function attribute($attribute, $value = null)
    {
        $element = clone $this;

        $element->attributes->setAttribute($attribute, (string) $value);

        return $element;
    }

    /**
     * @param iterable $attributes
     *
     * @return static
     */
    public function attributes($attributes)
    {
        $element = clone $this;

        $element->attributes->setAttributes($attributes);

        return $element;
    }

    /**
     * @param string $attribute
     *
     * @return static
     */
    public function forgetAttribute($attribute)
    {
        $element = clone $this;

        $element->attributes->forgetAttribute($attribute);

        return $element;
    }

    /**
     * @param string $attribute
     * @param mixed $fallback
     *
     * @return mixed
     */
    public function getAttribute($attribute, $fallback = null)
    {
        return $this->attributes->getAttribute($attribute, $fallback);
    }

    /**
     * @param string $attribute
     *
     * @return bool
     */
    public function hasAttribute($attribute)
    {
        return $this->attributes->hasAttribute($attribute);
    }

    /**
     * @param iterable|string $class
     *
     * @return static
     */
    public function class($class)
    {
        return $this->addClass($class);
    }

    /**
     * Alias for `class`.
     *
     * @param iterable|string $class
     *
     * @return static
     */
    public function addClass($class)
    {
        $element = clone $this;

        $element->attributes->addClass($class);

        return $element;
    }

    /**
     * @param string $id
     *
     * @return static
     */
    public function id($id)
    {
        return $this->attribute('id', $id);
    }

    /**
     * @param array|string|null $style
     *
     * @return static
     */
    public function style($style)
    {
        if (is_array($style)) {
            $style = implode('; ', array_map(function ($value, $attribute) {
                return "{$attribute}: {$value}";
            }, $style, array_keys($style)));
        }

        return $this->attribute('style', $style);
    }

    /**
     * @param string $name
     * @param string $value
     *
     * @return static
     */
    public function data($name, $value = null)
    {
        return $this->attribute("data-{$name}", $value);
    }

    /**
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function addChildren($children, $mapper = null)
    {
        if (is_null($children)) {
            return $this;
        }

        $children = $this->parseChildren($children, $mapper);

        $element = clone $this;

        $element->children = $element->children->merge($children);

        return $element;
    }

    /**
     * Alias for `addChildren`.
     *
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function addChild($child, $mapper = null)
    {
        return $this->addChildren($child, $mapper);
    }

    /**
     * Alias for `addChildren`.
     *
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function child($child, $mapper = null)
    {
        return $this->addChildren($child, $mapper);
    }

    /**
     * Alias for `addChildren`.
     *
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function children($children, $mapper = null)
    {
        return $this->addChildren($children, $mapper);
    }

    /**
     * Replace all children with an array of elements.
     *
     * @param \Spatie\Html\HtmlElement[] $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function setChildren($children, $mapper = null)
    {
        $element = clone $this;

        $element->children = new Collection();

        return $element->addChildren($children, $mapper);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function prependChildren($children, $mapper = null)
    {
        $children = $this->parseChildren($children, $mapper);

        $element = clone $this;

        $element->children = $children->merge($element->children);

        return $element;
    }

    /**
     * Alias for `prependChildren`.
     *
     * @param \Spatie\Html\HtmlElement|string|iterable|null $children
     * @param callable|null $mapper
     *
     * @return static
     */
    public function prependChild($children, $mapper = null)
    {
        return $this->prependChildren($children, $mapper);
    }

    /**
     * @param string|null $text
     *
     * @return static
     */
    public function text($text)
    {
        return $this->html(htmlentities($text, ENT_QUOTES, 'UTF-8', false));
    }

    /**
     * @param string|null $html
     *
     * @return static
     */
    public function html($html)
    {
        if ($this->isVoidElement()) {
            throw new InvalidHtml("Can't set inner contents on `{$this->tag}` because it's a void element");
        }

        return $this->setChildren($html);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
    }

    /**
     * Conditionally transform the element. Note that since elements are
     * immutable, you'll need to return a new instance from the callback.
     *
     * @param bool $condition
     * @param \Closure $callback
     *
     * @return mixed
     */
    public function if(bool $condition, \Closure $callback)
    {
        return $condition ? $callback($this) : $this;
    }

    /**
     * Conditionally transform the element. Note that since elements are
     * immutable, you'll need to return a new instance from the callback.
     *
     * @param bool $condition
     * @param \Closure $callback
     *
     * @return mixed
     */
    public function unless(bool $condition, \Closure $callback)
    {
        return $this->if(! $condition, $callback);
    }

    /**
     * Conditionally transform the element. Note that since elements are
     * immutable, you'll need to return a new instance from the callback.
     *
     * @param mixed $value
     * @param \Closure $callback
     *
     * @return mixed
     */
    public function ifNotNull($value, \Closure $callback)
    {
        return ! is_null($value) ? $callback($this) : $this;
    }

    /**
     * @return \Illuminate\Contracts\Support\Htmlable
     */
    public function open()
    {
        $tag = $this->attributes->isEmpty()
            ? '<'.$this->tag.'>'
            : "<{$this->tag} {$this->attributes->render()}>";

        $children = $this->children->map(function ($child): string {
            if ($child instanceof HtmlElement) {
                return $child->render();
            }

            if (is_null($child)) {
                return '';
            }

            if (is_string($child)) {
                return $child;
            }

            throw InvalidChild::childMustBeAnHtmlElementOrAString();
        })->implode('');

        return new HtmlString($tag.$children);
    }

    /**
     * @return \Illuminate\Contracts\Support\Htmlable
     */
    public function close()
    {
        return new HtmlString(
            $this->isVoidElement()
                ? ''
                : "</{$this->tag}>"
        );
    }

    /**
     * @return \Illuminate\Contracts\Support\Htmlable
     */
    public function render()
    {
        return new HtmlString(
            $this->open().$this->close()
        );
    }

    public function isVoidElement(): bool
    {
        return in_array($this->tag, [
            'area', 'base', 'br', 'col', 'embed', 'hr',
            'img', 'input', 'keygen', 'link', 'menuitem',
            'meta', 'param', 'source', 'track', 'wbr',
        ]);
    }

    /**
     * Dynamically handle calls to the class.
     * Check for methods finishing by If or fallback to Macroable.
     *
     * @param  string  $name
     * @param  array   $arguments
     * @return mixed
     *
     * @throws BadMethodCallException
     */
    public function __call($name, $arguments)
    {
        if (Str::endsWith($name, $conditions = ['If', 'Unless', 'IfNotNull'])) {
            foreach ($conditions as $condition) {
                if (! method_exists($this, $method = str_replace($condition, '', $name))) {
                    continue;
                }

                return $this->callConditionalMethod($condition, $method, $arguments);
            }
        }

        return $this->__macro_call($name, $arguments);
    }

    protected function callConditionalMethod($type, $method, array $arguments)
    {
        $value = array_shift($arguments);
        $callback = function () use ($method, $arguments) {
            return $this->{$method}(...$arguments);
        };

        switch ($type) {
            case 'If':
                return $this->if((bool) $value, $callback);
            case 'Unless':
                return $this->unless((bool) $value, $callback);
            case 'IfNotNull':
                return $this->ifNotNull($value, $callback);
            default:
                return $this;
        }
    }

    public function __clone()
    {
        $this->attributes = clone $this->attributes;
        $this->children = clone $this->children;
    }

    public function __toString(): string
    {
        return $this->render();
    }

    public function toHtml(): string
    {
        return $this->render();
    }

    protected function parseChildren($children, $mapper = null): Collection
    {
        if ($children instanceof HtmlElement) {
            $children = [$children];
        }

        $children = Collection::make($children);

        if ($mapper) {
            $children = $children->map($mapper);
        }

        $this->guardAgainstInvalidChildren($children);

        return $children;
    }

    protected function guardAgainstInvalidChildren(Collection $children)
    {
        foreach ($children as $child) {
            if ((! $child instanceof HtmlElement) && (! is_string($child)) && (! is_null($child))) {
                throw InvalidChild::childMustBeAnHtmlElementOrAString();
            }
        }
    }
}


1		<?php
2
3		namespace Spatie\Html;
4
5		use BadMethodCallException;
6		use Illuminate\Contracts\Support\Htmlable;
7		use Illuminate\Support\Collection;
8		use Illuminate\Support\HtmlString;
9		use Illuminate\Support\Str;
10		use Illuminate\Support\Traits\Macroable;
11		use Spatie\Html\Exceptions\InvalidChild;
12		use Spatie\Html\Exceptions\InvalidHtml;
13		use Spatie\Html\Exceptions\MissingTag;
14
15		abstract class BaseElement implements Htmlable, HtmlElement
16		{
17		use Macroable {
18		__call as __macro_call;
19		}
20
21		/** @var string */
22		protected $tag;
23
24		/** @var \Spatie\Html\Attributes */
25		protected $attributes;
26
27		/** @var \Illuminate\Support\Collection */
28		protected $children;
29
30		public function __construct()
31		{
32		if (empty($this->tag)) {
33		throw MissingTag::onClass(static::class);
34		}
35
36		$this->attributes = new Attributes();
37		$this->children = new Collection();
38		}
39
40		public static function create()
41		{
42		return new static();
43		}
44
45		/**
46		* @param string $attribute
47		* @param string\|null $value
48		*
49		* @return static
50		*/
51		public function attribute($attribute, $value = null)
52		{
53		$element = clone $this;
54
55		$element->attributes->setAttribute($attribute, (string) $value);
56
57		return $element;
58		}
59
60		/**
61		* @param iterable $attributes
62		*
63		* @return static
64		*/
65		public function attributes($attributes)
66		{
67		$element = clone $this;
68
69		$element->attributes->setAttributes($attributes);
70
71		return $element;
72		}
73
74		/**
75		* @param string $attribute
76		*
77		* @return static
78		*/
79		public function forgetAttribute($attribute)
80		{
81		$element = clone $this;
82
83		$element->attributes->forgetAttribute($attribute);
84
85		return $element;
86		}
87
88		/**
89		* @param string $attribute
90		* @param mixed $fallback
91		*
92		* @return mixed
93		*/
94		public function getAttribute($attribute, $fallback = null)
95		{
96		return $this->attributes->getAttribute($attribute, $fallback);
97		}
98
99		/**
100		* @param string $attribute
101		*
102		* @return bool
103		*/
104		public function hasAttribute($attribute)
105		{
106		return $this->attributes->hasAttribute($attribute);
107		}
108
109		/**
110		* @param iterable\|string $class
111		*
112		* @return static
113		*/
114		public function class($class)
115		{
116		return $this->addClass($class);
117		}
118
119		/**
120		* Alias for `class`.
121		*
122		* @param iterable\|string $class
123		*
124		* @return static
125		*/
126		public function addClass($class)
127		{
128		$element = clone $this;
129
130		$element->attributes->addClass($class);
131
132		return $element;
133		}
134
135		/**
136		* @param string $id
137		*
138		* @return static
139		*/
140		public function id($id)
141		{
142		return $this->attribute('id', $id);
143		}
144
145		/**
146		* @param array\|string\|null $style
147		*
148		* @return static
149		*/
150		public function style($style)
151		{
152		if (is_array($style)) {
153		$style = implode('; ', array_map(function ($value, $attribute) {
154		return "{$attribute}: {$value}";
155		}, $style, array_keys($style)));
156		}
157
158		return $this->attribute('style', $style);
159		}
160
161		/**
162		* @param string $name
163		* @param string $value
164		*
165		* @return static
166		*/
167		public function data($name, $value = null)
168		{
169		return $this->attribute("data-{$name}", $value);
170		}
171
172		/**
173		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
174		* @param callable\|null $mapper
175		*
176		* @return static
177		*/
178	View Code Duplication	public function addChildren($children, $mapper = null)
179		{
180		if (is_null($children)) {
181		return $this;
182		}
183
184		$children = $this->parseChildren($children, $mapper);
185
186		$element = clone $this;
187
188		$element->children = $element->children->merge($children);
189
190		return $element;
191		}
192
193		/**
194		* Alias for `addChildren`.
195		*
196		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
197		* @param callable\|null $mapper
198		*
199		* @return static
200		*/
201		public function addChild($child, $mapper = null)
202		{
203		return $this->addChildren($child, $mapper);
204		}
205
206		/**
207		* Alias for `addChildren`.
208		*
209		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
210		* @param callable\|null $mapper
211		*
212		* @return static
213		*/
214		public function child($child, $mapper = null)
215		{
216		return $this->addChildren($child, $mapper);
217		}
218
219		/**
220		* Alias for `addChildren`.
221		*
222		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
223		* @param callable\|null $mapper
224		*
225		* @return static
226		*/
227		public function children($children, $mapper = null)
228		{
229		return $this->addChildren($children, $mapper);
230		}
231
232		/**
233		* Replace all children with an array of elements.
234		*
235		* @param \Spatie\Html\HtmlElement[] $children
236		* @param callable\|null $mapper
237		*
238		* @return static
239		*/
240		public function setChildren($children, $mapper = null)
241		{
242		$element = clone $this;
243
244		$element->children = new Collection();
245
246		return $element->addChildren($children, $mapper);
		0 ignored issues – show Documentation introduced 2017-10-11 10:45 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$children` is of type `array<integer,object<Spatie\Html\HtmlElement>>`, but the function expects a `object<Spatie\Html\HtmlE...tie\Html\iterable>\|null`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
247		}
248
249		/**
250		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
251		* @param callable\|null $mapper
252		*
253		* @return static
254		*/
255	View Code Duplication	public function prependChildren($children, $mapper = null)
256		{
257		$children = $this->parseChildren($children, $mapper);
258
259		$element = clone $this;
260
261		$element->children = $children->merge($element->children);
262
263		return $element;
264		}
265
266		/**
267		* Alias for `prependChildren`.
268		*
269		* @param \Spatie\Html\HtmlElement\|string\|iterable\|null $children
270		* @param callable\|null $mapper
271		*
272		* @return static
273		*/
274		public function prependChild($children, $mapper = null)
275		{
276		return $this->prependChildren($children, $mapper);
277		}
278
279		/**
280		* @param string\|null $text
281		*
282		* @return static
283		*/
284		public function text($text)
285		{
286		return $this->html(htmlentities($text, ENT_QUOTES, 'UTF-8', false));
287		}
288
289		/**
290		* @param string\|null $html
291		*
292		* @return static
293		*/
294		public function html($html)
295		{
296		if ($this->isVoidElement()) {
297		throw new InvalidHtml("Can't set inner contents on `{$this->tag}` because it's a void element");
298		}
299
300		return $this->setChildren($html);
		0 ignored issues – show Documentation introduced 2017-12-27 22:10 UTC by Report Bug Copy Issue Report Show Similar Issues like this `$html` is of type `string\|null`, but the function expects a `array<integer,object<Spatie\Html\HtmlElement>>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
301		}
302
303		/**
304		* Conditionally transform the element. Note that since elements are
305		* immutable, you'll need to return a new instance from the callback.
306		*
307		* @param bool $condition
308		* @param \Closure $callback
309		*
310		* @return mixed
311		*/
312		public function if(bool $condition, \Closure $callback)
313		{
314		return $condition ? $callback($this) : $this;
315		}
316
317		/**
318		* Conditionally transform the element. Note that since elements are
319		* immutable, you'll need to return a new instance from the callback.
320		*
321		* @param bool $condition
322		* @param \Closure $callback
323		*
324		* @return mixed
325		*/
326		public function unless(bool $condition, \Closure $callback)
327		{
328		return $this->if(! $condition, $callback);
329		}
330
331		/**
332		* Conditionally transform the element. Note that since elements are
333		* immutable, you'll need to return a new instance from the callback.
334		*
335		* @param mixed $value
336		* @param \Closure $callback
337		*
338		* @return mixed
339		*/
340		public function ifNotNull($value, \Closure $callback)
341		{
342		return ! is_null($value) ? $callback($this) : $this;
343		}
344
345		/**
346		* @return \Illuminate\Contracts\Support\Htmlable
347		*/
348		public function open()
349		{
350		$tag = $this->attributes->isEmpty()
351		? '<'.$this->tag.'>'
352		: "<{$this->tag} {$this->attributes->render()}>";
353
354		$children = $this->children->map(function ($child): string {
355		if ($child instanceof HtmlElement) {
356		return $child->render();
357		}
358
359		if (is_null($child)) {
360		return '';
361		}
362
363		if (is_string($child)) {
364		return $child;
365		}
366
367		throw InvalidChild::childMustBeAnHtmlElementOrAString();
368		})->implode('');
369
370		return new HtmlString($tag.$children);
371		}
372
373		/**
374		* @return \Illuminate\Contracts\Support\Htmlable
375		*/
376		public function close()
377		{
378		return new HtmlString(
379		$this->isVoidElement()
380		? ''
381		: "</{$this->tag}>"
382		);
383		}
384
385		/**
386		* @return \Illuminate\Contracts\Support\Htmlable
387		*/
388		public function render()
389		{
390		return new HtmlString(
391		$this->open().$this->close()
392		);
393		}
394
395		public function isVoidElement(): bool
396		{
397		return in_array($this->tag, [
398		'area', 'base', 'br', 'col', 'embed', 'hr',
399		'img', 'input', 'keygen', 'link', 'menuitem',
400		'meta', 'param', 'source', 'track', 'wbr',
401		]);
402		}
403
404		/**
405		* Dynamically handle calls to the class.
406		* Check for methods finishing by If or fallback to Macroable.
407		*
408		* @param string $name
409		* @param array $arguments
410		* @return mixed
411		*
412		* @throws BadMethodCallException
413		*/
414		public function __call($name, $arguments)
415		{
416		if (Str::endsWith($name, $conditions = ['If', 'Unless', 'IfNotNull'])) {
417		foreach ($conditions as $condition) {
418		if (! method_exists($this, $method = str_replace($condition, '', $name))) {
419		continue;
420		}
421
422		return $this->callConditionalMethod($condition, $method, $arguments);
423		}
424		}
425
426		return $this->__macro_call($name, $arguments);
427		}
428
429		protected function callConditionalMethod($type, $method, array $arguments)
430		{
431		$value = array_shift($arguments);
432		$callback = function () use ($method, $arguments) {
433		return $this->{$method}(...$arguments);
434		};
435
436		switch ($type) {
437		case 'If':
438		return $this->if((bool) $value, $callback);
439		case 'Unless':
440		return $this->unless((bool) $value, $callback);
441		case 'IfNotNull':
442		return $this->ifNotNull($value, $callback);
443		default:
444		return $this;
445		}
446		}
447
448		public function __clone()
449		{
450		$this->attributes = clone $this->attributes;
451		$this->children = clone $this->children;
452		}
453
454		public function __toString(): string
455		{
456		return $this->render();
457		}
458
459		public function toHtml(): string
460		{
461		return $this->render();
462		}
463
464		protected function parseChildren($children, $mapper = null): Collection
465		{
466		if ($children instanceof HtmlElement) {
467		$children = [$children];
468		}
469
470		$children = Collection::make($children);
471
472		if ($mapper) {
473		$children = $children->map($mapper);
474		}
475
476		$this->guardAgainstInvalidChildren($children);
477
478		return $children;
479		}
480
481		protected function guardAgainstInvalidChildren(Collection $children)
482		{
483		foreach ($children as $child) {
484		if ((! $child instanceof HtmlElement) && (! is_string($child)) && (! is_null($child))) {
485		throw InvalidChild::childMustBeAnHtmlElementOrAString();
486		}
487		}
488		}
489		}
490

spatie / laravel-html

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src/BaseElement.php (2 issues)

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