controller = $controller;
}
/**
* Returns a list of global functions to add to the existing list.
*
* @return array An array of global functions
*/
public function getFunctions()
{
return array(
new Twig_SimpleFunction('dump', [$this, 'runDump'], array('is_safe' => ['html'], 'needs_context' => true, 'needs_environment' => true)),
);
}
public function runDump(Twig_Environment $env, $context)
{
if (!$env->isDebug()) {
return;
}
ob_start();
$count = func_num_args();
if (2 === $count) {
$this->controllerMode = true;
$vars = [];
foreach ($context as $key => $value) {
if (!$value instanceof Twig_Template) {
$vars[$key] = $value;
}
}
$this->dump($vars);
} else {
for ($i = 2; $i < $count; $i++) {
$this->dump(func_get_arg($i));
}
}
return ob_get_clean();
}
/**
* Returns the name of the extension.
*
* @return string The extension name
*/
public function getName()
{
return 'debug';
}
/**
* Dump information about a variable
*
* @param mixed $variable Variable to dump
* @param string $caption Caption of the dump
* @return void
*/
public function dump($variables = null, $caption = 'Page variables')
{
$info = [];
if (!is_array($variables))
$variables = [$variables];
$output = [];
$output[] = '';
$output[] = $this->makeTableHeader($caption);
foreach ($variables as $key => $item) {
$output[] = $this->makeTableRow($key, $item);
}
$output[] = '
';
$html = implode(PHP_EOL, $output);
print '' . $html . '
';
}
protected function makeTableHeader($caption)
{
$output = [];
$output[] = '';
$output[] = '| '.$caption.'';
$output[] = ' |
';
return implode(PHP_EOL, $output);
}
protected function makeTableRow($key, $variable)
{
$this->zebra = $this->zebra ? 0 : 1;
$css = $this->getDataCss();
$output = [];
$output[] = '';
if ($this->controllerMode)
$output[] = '| {{ '.$key.' }} | ';
else
$output[] = ''.$key.' | ';
$output[] = ''.gettype($variable).' | ';
$output[] = ''.$this->evalVarDesc($variable).' | ';
$output[] = '
';
return implode(PHP_EOL, $output);
}
protected function evalVarDesc($variable)
{
switch (gettype($variable)) {
case 'object':
return $this->evalObjDesc($variable);
case 'array':
return $this->evalArrDesc($variable);
default:
return '';
}
}
protected function evalObjDesc($variable)
{
return ''.Str::getRealClass($variable).'';
}
protected function evalArrDesc($variable)
{
$output = [];
foreach ($variable as $key => $value) {
$output[] = ''.$key.'';
}
return implode(', ', $output);
}
/**
* Get the CSS string for the output data
*
* @return string
*/
protected function getDataCss()
{
return $this->arrayToCss([
'padding' => '7px',
'background-color' => $this->zebra ? '#D8D9DB' : '#FFF',
'color' => '#405261',
]);
}
/**
* Get the CSS string for the output container
*
* @return string
*/
protected function getContainerCss()
{
return $this->arrayToCss([
'background-color' => '#F3F3F3',
'border' => '1px solid #bbb',
'border-radius' => '4px',
'font-size' => '12px',
'line-height' => '1.4em',
'margin' => '30px',
'padding' => '7px',
'display' => 'inline-block',
]);
}
/**
* Get the CSS string for the output header
*
* @return string
*/
protected function getHeaderCss()
{
return $this->arrayToCss([
'font-size' => '18px',
'font-weight' => 'normal',
'margin' => '0',
'padding' => '10px',
'background-color' => '#7B8892',
'color' => '#FFF',
]);
}
/**
* Convert a key/value pair array into a CSS string
*
* @param array $rules List of rules to process
* @return string
*/
protected function arrayToCss(array $rules)
{
$strings = [];
foreach ($rules as $key => $value) {
$strings[] = $key . ': ' . $value;
}
return join('; ', $strings);
}
}