参考自rfc 2616,并由rfc 2518、rfc 2817、rfc 2295、rfc 2774、rfc 4918等规范扩展。红字代表比较常见的几种status code
100 : continue
101 : switching protocols
102 : processing (webdav;rfc 2518)
200 : ok
201 : created
202 : accepted
203 : non-authoritative information (since http/1.1)
204 : no content
205 : reset content
206 : partial content
207 : multi-status(webdav; rfc 4918)
208 : already reported (webdav; rfc 5842)
226 : im used (rfc 3229)
300 : multiple choices
301 : moved permanently
302 : found
303 : see other (since http/1.1)
304 : not modified
305 : use proxy (since http/1.1)
306 : switch proxy(no longer used)
307 : temporary redirect(since http/1.1)
308 : permanent redirect (experimental rfc; rfc 7238)
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 time-out
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 : requested range not satisfiable
417 : expectation failed
418 : i'm a teapot (rfc 2324)
419 : authentication timeout (not in rfc 2616)
420 : method failure (spring framework)
420 : enhance your calm (twitter)
421 : there are too many connections from your internet address(unknown)
422 : unprocessable entity(webdav; rfc 4918)
423 : locked(webdav; rfc 4918)
424 : failed dependency (webdav; rfc 4918)
426 : upgrade required(rfc 2817)
428 : precondition required (rfc 6585)
429 : too many requests (rfc 6585)
431 : request header fields too large (rfc 6585)
440 : login timeout (microsoft)
444 : no response (nginx)
449 : retry with(microsoft)
450 : blocked by windows parental controls (microsoft)
451 : unavailable for legal reasons (internet draft)
451 : redirect (microsoft)
494 : request header too large (nginx)
495 : cert error (nginx)
496 : no cert (nginx)
497 : http to https (nginx)
498 : token expired/invalid (esri)
499 : client closed request (nginx)
499 : token required (esri)
500 : internal server error
501 : not implemented
502 : bad gateway
503 : service unavailable
504 : gateway time-out
505 : http version not supported
506 : variant also negotiates(rfc 2295)
507 : insufficient storage (webdav; rfc 4918)
508 : loop detected (webdav; rfc 5842)
509 : bandwidth limit exceeded(apache bw/limited extension)
510 : not extended(rfc 2774)
511 : network authentication required (rfc 6585)
598 : network read timeout error (unknown)
599 : network connect timeout error (unknown)
600 : unparseable response headers
以上就介绍了http状态码大全，包括了方面的内容，希望对php教程有兴趣的朋友有所帮助。