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<?php |
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declare(strict_types=1); |
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namespace Plaisio\ErrorLogger; |
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use Plaisio\Debug\VarWriter; |
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use Plaisio\Helper\Html; |
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/** |
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* Writes a var dump in HTML to a stream. |
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*/ |
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class HtmlVarWriter implements VarWriter |
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{ |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* The output handle. |
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* |
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* @var resource |
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*/ |
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protected $handle; |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Object constructor. |
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* |
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* @param resource $handle The handle to write the var dump to. |
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*/ |
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public function __construct($handle) |
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{ |
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$this->handle = $handle; |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Does nothing. |
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*/ |
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public function start(): void |
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{ |
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fwrite($this->handle, '<table class="var-dump">'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Does nothing. |
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*/ |
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public function stop(): void |
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{ |
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fwrite($this->handle, '</table>'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeArrayClose(int $id, $name): void |
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{ |
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if ($name!==null) |
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{ |
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fwrite($this->handle, '</table>'); |
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fwrite($this->handle, '</td>'); |
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fwrite($this->handle, '</tr>'); |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeArrayOpen(int $id, $name): void |
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{ |
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if ($name!==null) |
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{ |
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fwrite($this->handle, '<tr>'); |
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$this->writeName($name, $id); |
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fwrite($this->handle, '<td>'); |
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fwrite($this->handle, Html::generateElement('div', ['class' => 'array'], 'array').'<br/>'); |
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fwrite($this->handle, '<table>'); |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeArrayReference(int $ref, $name): void |
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{ |
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$html = Html::generateElement('span', ['class' => 'array'], 'array'); |
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$html .= ', '; |
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$html .= Html::generateElement('a', ['href' => '#'.$ref], 'see '.$ref); |
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fwrite($this->handle, '<tr>'); |
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$this->writeName($name); |
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fwrite($this->handle, Html::generateElement('td', [], $html, true)); |
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fwrite($this->handle, '</tr>'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeBool(?int $id, ?int $ref, bool &$value, $name): void |
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{ |
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$this->writeScalar($id, $ref, $name, ($value) ? 'true' : 'false', 'keyword'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeFloat(?int $id, ?int $ref, float &$value, $name): void |
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{ |
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$this->writeScalar($id, $ref, $name, (string)$value, 'number'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeInt(?int $id, ?int $ref, int &$value, $name): void |
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{ |
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$this->writeScalar($id, $ref, $name, (string)$value, 'number'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeNull(?int $id, ?int $ref, $name): void |
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{ |
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$this->writeScalar($id, $ref, $name, 'null', 'keyword'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeObjectClose(int $id, $name, string $class): void |
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{ |
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if ($name!==null) |
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{ |
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fwrite($this->handle, '</table>'); |
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fwrite($this->handle, '</td>'); |
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fwrite($this->handle, '</tr>'); |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeObjectOpen(int $id, $name, string $class): void |
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{ |
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if ($name!==null) |
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{ |
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fwrite($this->handle, '<tr>'); |
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$this->writeName($name, $id); |
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fwrite($this->handle, '<td>'); |
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fwrite($this->handle, Html::generateElement('div', ['class' => 'class'], $class).'<br/>'); |
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fwrite($this->handle, '<table>'); |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeObjectReference(int $ref, $name, string $class): void |
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{ |
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$html = Html::generateElement('span', ['class' => 'class'], $class); |
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$html .= ', '; |
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$html .= Html::generateElement('a', ['href' => '#'.(string)$ref], 'see '.(string)$ref); |
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fwrite($this->handle, '<tr>'); |
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$this->writeName($name); |
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fwrite($this->handle, Html::generateElement('td', [], $html, true)); |
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fwrite($this->handle, '</tr>'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeResource(?int $id, ?int $ref, $name, string $type): void |
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{ |
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$this->writeScalar($id, $ref, $name, $type, 'keyword'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeString(?int $id, ?int $ref, string &$value, $name): void |
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{ |
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$text = mb_strimwidth($value, 0, 80, '...'); |
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$title = ($text!=$value) ? mb_strimwidth($value, 0, 512, '...') : null; |
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$this->writeScalar($id, $ref, $name, $text, 'string', $title); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* {@inheritdoc} |
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*/ |
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public function writeUninitialized($name): void |
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{ |
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$this->writeScalar(null, null, $name, 'uninitialized', 'uninitialized'); |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Writes the name of a variable. |
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* |
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* @param string|int|null $name The name of the variable. |
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* @param int|null $id The ID of the value. |
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*/ |
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private function writeName($name, ?int $id = null): void |
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{ |
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if ($name===null || $name==='') |
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{ |
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fwrite($this->handle, Html::generateElement('th', ['class' => 'id', 'id' => $id], $id)); |
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} |
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else |
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{ |
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$title = null; |
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if (is_int($name)) |
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{ |
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$text = (string)$name; |
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$class = 'number'; |
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} |
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elseif (is_string($name)) |
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{ |
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$class = 'string'; |
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$text = mb_strimwidth((string)$name, 0, 20, '...'); |
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if ($text!=$name) |
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{ |
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$title = mb_strimwidth((string)$name, 0, 512, '...'); |
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} |
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} |
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else |
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{ |
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throw new \InvalidArgumentException(sprintf('$name has unexpected type %s', gettype($name))); |
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} |
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fwrite($this->handle, Html::generateElement('th', ['class' => 'id'], $id)); |
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fwrite($this->handle, Html::generateElement('th', |
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['class' => $class, |
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'id' => $id, |
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'title' => $title], |
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$text)); |
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} |
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} |
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//-------------------------------------------------------------------------------------------------------------------- |
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/** |
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* Dumps a scalar value. |
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* |
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* @param int|null $id The ID of the value. |
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* @param int|null $ref The ID of the value if the variable is a reference to a value that has been dumped |
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* already. |
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* @param string|int|null $name The name of the variable. |
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* @param string $text The text for displaying the value. |
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* @param string $class The class of the value. |
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* @param string|null $title The title for the value. |
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*/ |
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private function writeScalar(?int $id, ?int $ref, $name, string $text, string $class, ?string $title = null) |
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{ |
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$html = Html::generateElement('span', ['class' => $class, 'title' => $title], $text); |
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if ($ref!==null) |
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{ |
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$html .= ', '; |
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$html .= Html::generateElement('a', ['href' => '#'.$ref], 'see '.$ref); |
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} |
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fwrite($this->handle, '<tr>'); |
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$this->writeName($name, $id); |
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fwrite($this->handle, Html::generateElement('td', [], $html, true)); |
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fwrite($this->handle, '</tr>'); |
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} |
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} |
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//---------------------------------------------------------------------------------------------------------------------- |
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PhpPlaisio /
error-logger-core
