A executable PHP script template.

PHP+Executable+Script.php

<?php
/**
 * @desc   Shell execuatable php script
 * @author rakkang
 * @date   2015-12-30
 */

const G_DESCRIPTION = 'Sample script.';

//!!!! DON'T CHANGE VARIABLE NAME
$g_options = array(
    'g' => array(
        'req'  => false,
        'func' => 'generate',
        'args' => array(
            'p' => array(true, 'pid'),
        ),
        'exam' => '-gp [pid] / -g -p [pid]',
        'desc' => 'generate a new order with a special pid',
    ),
);

/******************* Write your function code below *******************/
/**
 * @param array $args
 */
function generate(array $args)
{
    echo "Generate new order\n";
    echo var_dump($args);
}

/******************* Write your function code above *******************/

// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// !!!!DON'T REWRITE ANY CODE OF BELOW!!!!
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
$_script_argvs = '';
foreach ($g_options as $opt => $item) {
    $_script_argvs .= $opt . '' . ($item['req'] ? ':' : '');

    if (is_array($item['args'])) {
        foreach ($item['args'] as $arg => $attr) {
            $_script_argvs .= $arg . '' . ($attr[0] ? ':' : '');
        }
    }
}

$_got_argvs   = getopt($_script_argvs . 'h', array("help"));
$_script_name = end(explode("/", array_shift($argv)));
$_execute_opt = $g_options[$_got_argvs[0]];

function help()
{
    global $g_options, $_script_name;

    echo "Usage: ~/orp/.../bin/(php|hhvm) $_script_name [options] ... [args] ...\n";
    echo G_DESCRIPTION . "\n\n";
    echo "SHORT OPTIONS:\n";

    foreach ($g_options as $opt => $item) {
        $desc = sprintf("%8s", '-' . $opt) . '        ' . $item['desc'] . "\n";
        $desc .= sprintf('%8s', '') . '        ' . "eg: $_script_name " . $item['exam'];
        echo $desc . "\n\n";
    }

    echo "OPTIONS ARGUMENTS:\n";
    foreach ($g_options as $opt => $item) {
        if (is_array($item['args'])) {
            foreach ($item['args'] as $arg => $attr) {
                $desc = sprintf("%8s", '-' . $arg) . '        ';
                $desc .= $attr[1] . ($attr[0] ? ". Required value" : '') . " for " . $item['desc'] . "\n";
                echo $desc;
            }

            echo "\n";
        }
    }
}

if (empty($_got_argvs)) {
    echo "$_script_name unkown option!\n\n";
    help();
} else {
    $opts = array_keys($_got_argvs);
    if ($opts[0] == 'h' || $opts[0] == 'help') {
        echo "Show help document.\n\n";
        help();
    } else {
        $cmd = $g_options[$opts[0]];

        if (!is_array($cmd)) {
            echo "$_script_name option illegal!\n\n";
            help();
        } else {
            $cmd['func']($_got_argvs);
        }
    }
}

exit(0);