id:tokuhiromさんのエントリ(http://blog.64p.org/entry/2013/02/21/121830)に触発されて。 使い方は同じ。

HttpStatusForPHPer.php

#! /usr/bin/php
<?php

$StatusCode = array(
    "100" => "Continue",
    "101" => "Switching Protocols",
    "102" => "Processing",                      # RFC 2518 (WebDAV)
    "200" => "OK",
    "201" => "Created",
    "202" => "Accepted",
    "203" => "Non-Authoritative Information",
    "204" => "No Content",
    "205" => "Reset Content",
    "206" => "Partial Content",
    "207" => "Multi-Status",                    # RFC 2518 (WebDAV)
    "208" => "Already Reported",             # RFC 5842
    "300" => "Multiple Choices",
    "301" => "Moved Permanently",
    "302" => "Found",
    "303" => "See Other",
    "304" => "Not Modified",
    "305" => "Use Proxy",
    "307" => "Temporary Redirect",
    "400" => "Bad Request",
    "401" => "Unauthorized",
    "402" => "Payment Required",
    "403" => "Forbidden",
    "404" => "Not Found",
    "405" => "Method Not Allowed",
    "406" => "Not Acceptable",
    "407" => "Proxy Authentication Required",
    "408" => "Request Timeout",
    "409" => "Conflict",
    "410" => "Gone",
    "411" => "Length Required",
    "412" => "Precondition Failed",
    "413" => "Request Entity Too Large",
    "414" => "Request-URI Too Large",
    "415" => "Unsupported Media Type",
    "416" => "Request Range Not Satisfiable",
    "417" => "Expectation Failed",
    "418" => "I\"m a teapot",            # RFC 2324
    "422" => "Unprocessable Entity",            # RFC 2518 (WebDAV)
    "423" => "Locked",                          # RFC 2518 (WebDAV)
    "424" => "Failed Dependency",               # RFC 2518 (WebDAV)
    "425" => "No code",                         # WebDAV Advanced Collections
    "426" => "Upgrade Required",                # RFC 2817
    "428" => "Precondition Required",
    "429" => "Too Many Requests",
    "431" => "Request Header Fields Too Large",
    "449" => "Retry with",                      # unofficial Microsoft
    "500" => "Internal Server Error",
    "501" => "Not Implemented",
    "502" => "Bad Gateway",
    "503" => "Service Unavailable",
    "504" => "Gateway Timeout",
    "505" => "HTTP Version Not Supported",
    "506" => "Variant Also Negotiates",         # RFC 2295
    "507" => "Insufficient Storage",            # RFC 2518 (WebDAV)
    "509" => "Bandwidth Limit Exceeded",        # unofficial
    "510" => "Not Extended",                    # RFC 2774
    "511" => "Network Authentication Required",
);


if (isset($argv[1])) {
    $val = strtolower($argv[1]);

    if (array_key_exists($val, $StatusCode)) {
        echo $val.' '.$StatusCode[$val].PHP_EOL;
    } else {
        foreach ($StatusCode as $k => $v) {
            if (preg_match("/^$val/", $k) || preg_match("/$val/", strtolower($v))) {
                echo $k.' '.$v.PHP_EOL;
            }
        }
    }

} else {
    foreach ($StatusCode as $k => $v) {
        echo $k.' '.$v.PHP_EOL;
    }
}