How can file_get_contents() be utilized to retrieve content from external URLs in PHP?

When using file_get_contents() to retrieve content from external URLs in PHP, it is important to ensure that the allow_url_fopen setting in your php.ini file is enabled. This setting allows PHP to open files and URLs using functions like file_get_contents(). If this setting is disabled, attempting to retrieve content from external URLs will result in an error. 

// Ensure that allow_url_fopen is enabled in php.ini

$url = 'https://www.example.com';
$content = file_get_contents($url);

if($content === false){
    echo "Error fetching content";
} else {
    echo $content;
}

Keywords

file_get_contents external URLs PHP retrieve content function

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