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    <h3>Editing: CompilesConditionals.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Illuminate\View\Compilers\Concerns;

use Illuminate\Support\Str;

trait CompilesConditionals
{
    /**
     * Identifier for the first case in the switch statement.
     *
     * @var bool
     */
    protected $firstCaseInSwitch = true;

    /**
     * Compile the if-auth statements into valid PHP.
     *
     * @param  string|null  $guard
     * @return string
     */
    protected function compileAuth($guard = null)
    {
        $guard = is_null($guard) ? '()' : $guard;

        return &quot;&lt;?php if(auth()-&gt;guard{$guard}-&gt;check()): ?&gt;&quot;;
    }

    /**
     * Compile the else-auth statements into valid PHP.
     *
     * @param  string|null  $guard
     * @return string
     */
    protected function compileElseAuth($guard = null)
    {
        $guard = is_null($guard) ? '()' : $guard;

        return &quot;&lt;?php elseif(auth()-&gt;guard{$guard}-&gt;check()): ?&gt;&quot;;
    }

    /**
     * Compile the end-auth statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndAuth()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the env statements into valid PHP.
     *
     * @param  string  $environments
     * @return string
     */
    protected function compileEnv($environments)
    {
        return &quot;&lt;?php if(app()-&gt;environment{$environments}): ?&gt;&quot;;
    }

    /**
     * Compile the end-env statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndEnv()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the production statements into valid PHP.
     *
     * @return string
     */
    protected function compileProduction()
    {
        return &quot;&lt;?php if(app()-&gt;environment('production')): ?&gt;&quot;;
    }

    /**
     * Compile the end-production statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndProduction()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the if-guest statements into valid PHP.
     *
     * @param  string|null  $guard
     * @return string
     */
    protected function compileGuest($guard = null)
    {
        $guard = is_null($guard) ? '()' : $guard;

        return &quot;&lt;?php if(auth()-&gt;guard{$guard}-&gt;guest()): ?&gt;&quot;;
    }

    /**
     * Compile the else-guest statements into valid PHP.
     *
     * @param  string|null  $guard
     * @return string
     */
    protected function compileElseGuest($guard = null)
    {
        $guard = is_null($guard) ? '()' : $guard;

        return &quot;&lt;?php elseif(auth()-&gt;guard{$guard}-&gt;guest()): ?&gt;&quot;;
    }

    /**
     * Compile the end-guest statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndGuest()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the has-section statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileHasSection($expression)
    {
        return &quot;&lt;?php if (! empty(trim(\$__env-&gt;yieldContent{$expression}))): ?&gt;&quot;;
    }

    /**
     * Compile the section-missing statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileSectionMissing($expression)
    {
        return &quot;&lt;?php if (empty(trim(\$__env-&gt;yieldContent{$expression}))): ?&gt;&quot;;
    }

    /**
     * Compile the if statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileIf($expression)
    {
        return &quot;&lt;?php if{$expression}: ?&gt;&quot;;
    }

    /**
     * Compile the unless statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileUnless($expression)
    {
        return &quot;&lt;?php if (! {$expression}): ?&gt;&quot;;
    }

    /**
     * Compile the else-if statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileElseif($expression)
    {
        return &quot;&lt;?php elseif{$expression}: ?&gt;&quot;;
    }

    /**
     * Compile the else statements into valid PHP.
     *
     * @return string
     */
    protected function compileElse()
    {
        return '&lt;?php else: ?&gt;';
    }

    /**
     * Compile the end-if statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndif()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the end-unless statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndunless()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the if-isset statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileIsset($expression)
    {
        return &quot;&lt;?php if(isset{$expression}): ?&gt;&quot;;
    }

    /**
     * Compile the end-isset statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndIsset()
    {
        return '&lt;?php endif; ?&gt;';
    }

    /**
     * Compile the switch statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileSwitch($expression)
    {
        $this-&gt;firstCaseInSwitch = true;

        return &quot;&lt;?php switch{$expression}:&quot;;
    }

    /**
     * Compile the case statements into valid PHP.
     *
     * @param  string  $expression
     * @return string
     */
    protected function compileCase($expression)
    {
        if ($this-&gt;firstCaseInSwitch) {
            $this-&gt;firstCaseInSwitch = false;

            return &quot;case {$expression}: ?&gt;&quot;;
        }

        return &quot;&lt;?php case {$expression}: ?&gt;&quot;;
    }

    /**
     * Compile the default statements in switch case into valid PHP.
     *
     * @return string
     */
    protected function compileDefault()
    {
        return '&lt;?php default: ?&gt;';
    }

    /**
     * Compile the end switch statements into valid PHP.
     *
     * @return string
     */
    protected function compileEndSwitch()
    {
        return '&lt;?php endswitch; ?&gt;';
    }

    /**
     * Compile a once block into valid PHP.
     *
     * @param  string|null  $id
     * @return string
     */
    protected function compileOnce($id = null)
    {
        $id = $id ? $this-&gt;stripParentheses($id) : &quot;'&quot;.(string) Str::uuid().&quot;'&quot;;

        return '&lt;?php if (! $__env-&gt;hasRenderedOnce('.$id.')): $__env-&gt;markAsRenderedOnce('.$id.'); ?&gt;';
    }

    /**
     * Compile an end-once block into valid PHP.
     *
     * @return string
     */
    public function compileEndOnce()
    {
        return '&lt;?php endif; ?&gt;';
    }
}
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