Data loss problem Solving method when PHP post large amount of data

This article mainly introduces the PHP post a large number of data to find the problem of data loss solution, because the default configuration of the data allocation is too small to create this problem, modify the configuration can be, need friends can refer to the

Solution:

In php.ini, change the max_input_vars to 5000.

Reasons for tracing:

From the enctype= "Multipart/form-data"

PHP version 5.6.6

Problem: Partial post data not received

Tracing source code found in PHP max_input_vars configuration caused;

The correlation function is Rfc1867_post_handler, and if the length is exceeded, safe_php_register_variable is not invoked to register the variable

The related stack is as follows

The code is as follows:

#0 Rfc1867_post_handler (

Content_type_dup=0x7ff85307a5f8 "Multipart/form-data; Boundary= ", '-' ," 306141311912057 ",

ARG=0X7FF85307CCC0) at/tmp/php-5.6.2/main/rfc1867.c:681

#1 0x00000000007a4bb0 in Sapi_handle_post (arg= ) at/tmp/php-5.6.2/main/sapi.c:185

#2 0x00000000007ab72f in Php_default_treat_data (arg=0, str=0x0, DESTARRAY=0X7FF85307CCC0)

at/tmp/php-5.6.2/main/php_variables.c:399

#3 0x0000000000615c91 in Mbstr_treat_data (arg=0, str=0x0, destarray=0x0) at/tmp/php-5.6.2/ext/mbstring/mb_gpc.c:69

#4 0X00000000007AA9FB in Php_auto_globals_create_post (name=0x7ff852f474f0 "_post", name_len=5)

at/tmp/php-5.6.2/main/php_variables.c:741

#5 0x00000000007d63bb in Zend_auto_global_init (auto_global=0x196c950) at/tmp/php-5.6.2/zend/zend_compile.c:6832

#6 0x0000000000808a43 in Zend_hash_apply (ht=0x1955cb0, apply_func=0x7d63a0 )

at/tmp/php-5.6.2/zend/zend_hash.c:641

#7 0x00000000007aaa4e in Php_hash_environment () at/tmp/php-5.6.2/main/php_variables.c:702

#8 0x000000000079bb25 in Php_request_startup () at/tmp/php-5.6.2/main/main.c:1671

#9 0x00000000008a756d in Main (argc= , argv= )

at/tmp/php-5.6.2/sapi/fpm/fpm/fpm_main.c:1887

where Rfc1867_post_handler is Php_session_rfc1867_callback

End ~