php-armadillo/tests/includes/supports.php

<?php

/**
 * Check whether the current php-armadillo build supports certain feature.
 *
 * @param bool $feature
 * @param string $msg
 * @return bool
 */
function arma_supports($feature, $msg) {
    if (!$feature) {
        echo "skip $msg is not supported.";
        return false;
    }
    return true;
}

/**
 * Check whether operator overloading is supported.
 *
 * @return bool
 */
function supports_operator_overloading() {
    return arma_supports(Arma\Features::OPERATORS, 'operator overloading');
}

/**
 * Check whether I/O with PHP stream resource is supported.
 * 
 * @return bool
 */
function supports_stream_resource() {
    return arma_supports(Arma\Features::STREAM_RES, 'stream resource');
}

/**
 * Check whether HDF5 data format is supported.
 *
 * @return bool
 */
function supports_hdf5() {
    return arma_supports(Arma\Features::HDF5, 'HDF5 data format');
}