简单谈谈centos7中配置php
安装：
yum -y install php php-devel php-pear php-mysql
配置：
vim/etc/php.ini
display_errors=on # 允许php报告错误
upload_max_filesize=20M # 上传文件大小限制
memory_limit=512M # 内存使用量
default_socket_timeout=-1 # 脚本超时时间，设置为无期限
完整配置文件参考：
[PHP]
engine=On
short_open_tag=Off
asp_tags=Off
precision=14
output_buffering=4096
zlib.output_compression=Off
implicit_flush=Off
unserialize_callback_func=
serialize_precision=17
disable_functions=
disable_classes=
zend.enable_gc=On
expose_php=On
max_execution_time=30
max_input_time=60
memory_limit=512M
error_reporting=E_ALL&~E_DEPRECATED&~E_STRICT
display_errors=on
display_startup_errors=Off
log_errors=On
log_errors_max_len=1024
ignore_repeated_errors=Off
ignore_repeated_source=Off
report_memleaks=On
track_errors=Off
html_errors=On
variables_order="GPCS"
request_order="GP"
register_argc_argv=Off
auto_globals_jit=On
post_max_size=8M
auto_prepend_file=
auto_append_file=
default_mimetype="text/html"
doc_root=
user_dir=
enable_dl=Off
file_uploads=On
upload_max_filesize=20M
max_file_uploads=20
allow_url_fopen=On
allow_url_include=Off
default_socket_timeout=-1
[CLIServer]
cli_server.color=On
[Date]
[filter]
[iconv]
[intl]
[sqlite]
[sqlite3]
[Pcre]
[Pdo]
[Pdo_mysql]
pdo_mysql.cache_size=2000
pdo_mysql.default_socket=
[Phar]
[mailfunction]
SMTP=localhost
smtp_port=25
sendmail_path=/usr/sbin/sendmail-t-i
mail.add_x_header=On
[SQL]
sql.safe_mode=Off
[ODBC]
odbc.allow_persistent=On
odbc.check_persistent=On
odbc.max_persistent=-1
odbc.max_links=-1
odbc.defaultlrl=4096
odbc.defaultbinmode=1
[Interbase]
ibase.allow_persistent=1
ibase.max_persistent=-1
ibase.max_links=-1
ibase.timestampformat="%Y-%m-%d%H:%M:%S"
ibase.dateformat="%Y-%m-%d"
ibase.timeformat="%H:%M:%S"
[MySQL]
mysql.allow_local_infile=On
mysql.allow_persistent=On
mysql.cache_size=2000
mysql.max_persistent=-1
mysql.max_links=-1
mysql.default_port=
mysql.default_socket=
mysql.default_host=
mysql.default_user=
mysql.default_password=
mysql.connect_timeout=60
mysql.trace_mode=Off
[MySQLi]
mysqli.max_persistent=-1
mysqli.allow_persistent=On
mysqli.max_links=-1
mysqli.cache_size=2000
mysqli.default_port=3306
mysqli.default_socket=
mysqli.default_host=
mysqli.default_user=
mysqli.default_pw=
mysqli.reconnect=Off
[mysqlnd]
mysqlnd.collect_statistics=On
mysqlnd.collect_memory_statistics=Off
[OCI8]
[PostgreSQL]
pgsql.allow_persistent=On
pgsql.auto_reset_persistent=Off
pgsql.max_persistent=-1
pgsql.max_links=-1
pgsql.ignore_notice=0
pgsql.log_notice=0
[Sybase-CT]
sybct.allow_persistent=On
sybct.max_persistent=-1
sybct.max_links=-1
sybct.min_server_severity=10
sybct.min_client_severity=10
[bcmath]
bcmath.scale=0
[browscap]
[Session]
session.save_handler=files
session.use_cookies=1
session.use_only_cookies=1
session.name=PHPSESSID
session.auto_start=0
session.cookie_lifetime=0
session.cookie_path=/
session.cookie_domain=
session.cookie_httponly=
session.serialize_handler=php
session.gc_probability=1
session.gc_divisor=1000
session.gc_maxlifetime=1440
session.bug_compat_42=Off
session.bug_compat_warn=Off
session.referer_check=
session.cache_limiter=nocache
session.cache_expire=180
session.use_trans_sid=0
session.hash_function=0
session.hash_bits_per_character=5
url_rewriter.tags="a=href,area=href,frame=src,input=src,form=fakeentry"
[MSSQL]
mssql.allow_persistent=On
mssql.max_persistent=-1
mssql.max_links=-1
mssql.min_error_severity=10
mssql.min_message_severity=10
mssql.compatability_mode=Off
mssql.secure_connection=Off
[Assertion]
[mbstring]
[gd]
[exif]
[Tidy]
tidy.clean_output=Off
[soap]
soap.wsdl_cache_enabled=1
soap.wsdl_cache_dir="/tmp"
soap.wsdl_cache_ttl=86400
soap.wsdl_cache_limit=5
[sysvshm]
[ldap]
ldap.max_links=-1
[mcrypt]
[dba]