add support for multiple arguments and mutually exclusive params

[m6w6/travis-pecl] / gen-matrix.php

<?php

return function() {
        $process = function($apc, $key, $values = ["no", "yes"]) {

                return $apc;
        };

        foreach (func_get_args() as $array) {
                $apc = [];
                foreach ($array as $key => $values) {
                        if (is_numeric($key) && is_string($values)) {
                                // switch on yes/no
                                $key = $values;
                                $values = ["no", "yes"];
                        } else if (is_numeric($key) && is_array($values)) {
                                // mutually enasbled options
                                $vpc = [];
                                foreach ($values as $yes) {
                                        $mpc = "$yes=yes ";
                                        foreach ($values as $no) {
                                                if ($yes === $no) {
                                                        continue;
                                                }
                                                $mpc .= "$no=no ";
                                        }
                                        $vpc[] = $mpc;
                                }
                                $key = null;
                                $values = $vpc;
                        }

                        if (empty($apc)) {
                                // seed
                                foreach ((array) $values as $val) {
                                        $apc[] = strlen($key) ? "$key=$val" : $val;
                                }
                        } else {
                                // combine
                                $cpc = $apc;
                                $apc = [];
                                foreach ((array) $values as $val) {
                                        foreach ($cpc as $e) {
                                                $apc[] = strlen($key) ? "$e $key=$val" : "$e $val";
                                        }
                                }
                        }
                }
                $xpc[] = $apc;
        }
        return $xpc;
};