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Direktori : /home/silvzytp/crm-ind-code/vendor/laravel/framework/src/Illuminate/View/Concerns/ |
Current File : //home/silvzytp/crm-ind-code/vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesLayouts.php |
<?php namespace Illuminate\View\Concerns; use Illuminate\Contracts\View\View; use Illuminate\Support\Str; use InvalidArgumentException; trait ManagesLayouts { /** * All of the finished, captured sections. * * @var array */ protected $sections = []; /** * The stack of in-progress sections. * * @var array */ protected $sectionStack = []; /** * The parent placeholder for the request. * * @var mixed */ protected static $parentPlaceholder = []; /** * The parent placeholder salt for the request. * * @var string */ protected static $parentPlaceholderSalt; /** * Start injecting content into a section. * * @param string $section * @param string|null $content * @return void */ public function startSection($section, $content = null) { if ($content === null) { if (ob_start()) { $this->sectionStack[] = $section; } } else { $this->extendSection($section, $content instanceof View ? $content : e($content)); } } /** * Inject inline content into a section. * * @param string $section * @param string $content * @return void */ public function inject($section, $content) { $this->startSection($section, $content); } /** * Stop injecting content into a section and return its contents. * * @return string */ public function yieldSection() { if (empty($this->sectionStack)) { return ''; } return $this->yieldContent($this->stopSection()); } /** * Stop injecting content into a section. * * @param bool $overwrite * @return string * * @throws \InvalidArgumentException */ public function stopSection($overwrite = false) { if (empty($this->sectionStack)) { throw new InvalidArgumentException('Cannot end a section without first starting one.'); } $last = array_pop($this->sectionStack); if ($overwrite) { $this->sections[$last] = ob_get_clean(); } else { $this->extendSection($last, ob_get_clean()); } return $last; } /** * Stop injecting content into a section and append it. * * @return string * * @throws \InvalidArgumentException */ public function appendSection() { if (empty($this->sectionStack)) { throw new InvalidArgumentException('Cannot end a section without first starting one.'); } $last = array_pop($this->sectionStack); if (isset($this->sections[$last])) { $this->sections[$last] .= ob_get_clean(); } else { $this->sections[$last] = ob_get_clean(); } return $last; } /** * Append content to a given section. * * @param string $section * @param string $content * @return void */ protected function extendSection($section, $content) { if (isset($this->sections[$section])) { $content = str_replace(static::parentPlaceholder($section), $content, $this->sections[$section]); } $this->sections[$section] = $content; } /** * Get the string contents of a section. * * @param string $section * @param string $default * @return string */ public function yieldContent($section, $default = '') { $sectionContent = $default instanceof View ? $default : e($default); if (isset($this->sections[$section])) { $sectionContent = $this->sections[$section]; } $sectionContent = str_replace('@@parent', '--parent--holder--', $sectionContent); return str_replace( '--parent--holder--', '@parent', str_replace(static::parentPlaceholder($section), '', $sectionContent) ); } /** * Get the parent placeholder for the current request. * * @param string $section * @return string */ public static function parentPlaceholder($section = '') { if (! isset(static::$parentPlaceholder[$section])) { $salt = static::parentPlaceholderSalt(); static::$parentPlaceholder[$section] = '##parent-placeholder-'.sha1($salt.$section).'##'; } return static::$parentPlaceholder[$section]; } /** * Get the parent placeholder salt. * * @return string */ protected static function parentPlaceholderSalt() { if (! static::$parentPlaceholderSalt) { return static::$parentPlaceholderSalt = Str::random(40); } return static::$parentPlaceholderSalt; } /** * Check if section exists. * * @param string $name * @return bool */ public function hasSection($name) { return array_key_exists($name, $this->sections); } /** * Check if section does not exist. * * @param string $name * @return bool */ public function sectionMissing($name) { return ! $this->hasSection($name); } /** * Get the contents of a section. * * @param string $name * @param string|null $default * @return mixed */ public function getSection($name, $default = null) { return $this->getSections()[$name] ?? $default; } /** * Get the entire array of sections. * * @return array */ public function getSections() { return $this->sections; } /** * Flush all of the sections. * * @return void */ public function flushSections() { $this->sections = []; $this->sectionStack = []; } }