How can developers determine which PEAR package contains a specific function, such as simplexml_load_string?

To determine which PEAR package contains a specific function like simplexml_load_string, developers can search the PEAR repository or use the PEAR website's search functionality. By entering the function name in the search bar, developers can find the package that contains the desired function and then install it using the PEAR command-line tool. 

// Example code to search for a PEAR package containing simplexml_load_string function
$packageList = shell_exec('pear list-all');
if (strpos($packageList, 'XML_Serializer') !== false) {
    echo 'The function simplexml_load_string is included in the XML_Serializer package.';
} else {
    echo 'The function simplexml_load_string is not included in any installed PEAR package.';
}

Keywords

PEAR package simplexml_load_string function determine

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