master/img_8php_source.html

 <?php
 $src = elgg_extract('src', $vars);
 if (empty($src)) {
     return;
 }

 if (!isset($vars['alt'])) {
     elgg_log('The view output/img requires that the alternate text be set.', \Psr\Log\LogLevel::NOTICE);
 }

 $vars['src'] = elgg_normalize_url($src);

 echo elgg_format_element('img', $vars);
$src
$src
Elgg image view.
Definition: img.php:9

$vars
if(empty($src)) if(!isset($vars['alt'])) $vars['src']
Definition: img.php:18

elgg_extract
elgg_extract($key, $array, $default=null, bool $strict=true)
Checks for $array[$key] and returns its value if it exists, else returns $default.
Definition: elgglib.php:254

elgg_log
elgg_log($message, $level=\Psr\Log\LogLevel::NOTICE)
Log a message.
Definition: elgglib.php:86

elgg_format_element
elgg_format_element(string $tag_name, array $attributes=[], string $text= '', array $options=[])
Format an HTML element.
Definition: output.php:145

elgg_normalize_url
elgg_normalize_url(string $url)
Definition: output.php:163