PHP编译安装时常见错误解决办法,php编译常见错误
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configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
复制代码 代码如下:
yum -y install libxslt-devel
configure: error: Could not find net-snmp-config binary. Please check your net-snmp installation.
复制代码 代码如下:
yum -y install net-snmp-devel
configure: error: Please reinstall readline - I cannot find readline.h
复制代码 代码如下:
yum -y install readline-devel
configure: error: Cannot find pspell
复制代码 代码如下:
yum -y install aspell-devel
checking for unixODBC support... configure: error: ODBC header file '/usr/include/sqlext.h' not found!
复制代码 代码如下:
yum -y install unixODBC-devel
configure: error: Unable to detect ICU prefix or /usr/bin/icu-config failed. Please verify ICU install prefix and make sure icu-config works.
复制代码 代码如下:
yum -y install libicu-devel
configure: error: utf8mime2text() has new signature, but U8TCANONICAL is missing. This should not happen. Check config.log for additional information.
复制代码 代码如下:
yum -y install libc-client-devel
configure: error: freetype.h not found.
复制代码 代码如下:
yum -y install freetype-devel
configure: error: xpm.h not found.
复制代码 代码如下:
yum -y install libXpm-devel
configure: error: png.h not found.
复制代码 代码如下:
yum -y install libpng-devel
configure: error: vpx_codec.h not found.
复制代码 代码如下:
yum -y install libvpx-devel
configure: error: Cannot find enchant
复制代码 代码如下:
yum -y install enchant-devel
configure: error: Please reinstall the libcurl distribution - easy.h should be in /include/curl/
复制代码 代码如下:
yum -y install libcurl-devel
LAOGAO added 20140907:
configure: error: mcrypt.h not found. Please reinstall libmcrypt.
复制代码 代码如下:
wget ftp://mcrypt.hellug.gr/pub/crypto/mcrypt/libmcrypt/libmcrypt-2.5.7.tar.gz
tar zxf libmcrypt-2.5.7.tar.gz
cd libmcrypt-2.5.7
./configure
make && make install
added 20141003:
Cannot find imap
复制代码 代码如下:
ln -s /usr/lib64/libc-client.so /usr/lib/libc-client.so
configure: error: utf8_mime2text() has new signature, but U8T_CANONICAL is missing.
复制代码 代码如下:
yum -y install libc-client-devel
Cannot find ldap.h
复制代码 代码如下:
yum -y install openldap
yum -y install openldap-devel
configure: error: Cannot find ldap libraries in /usr/lib
复制代码 代码如下:
cp -frp /usr/lib64/libldap* /usr/lib/
configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
复制代码 代码如下:
yum -y install postgresql-devel
configure: error: Please reinstall the lib curl distribution
复制代码 代码如下:
yum -y install curl-devel
configure: error: Could not find net-snmp-config binary. Please check your net-snmp installation.
复制代码 代码如下:
yum -y install net-snmp-devel
configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
复制代码 代码如下:
yum -y install libxslt-devel
checking for BZip2 support… yes checking for BZip2 in default path… not found configure: error: Please reinstall the BZip2 distribution
Fix:
复制代码 代码如下:
yum -y install bzip2-devel
checking for cURL support… yes checking if we should use cURL for url streams… no checking for cURL in default path… not found configure: error: Please reinstall the libcurl distribution – easy.h should be in/include/curl/
Fix:
复制代码 代码如下:
yum -y install curl-devel
checking for curl_multi_strerror in -lcurl… yes checking for QDBM support… no checking for GDBM support… no checking for NDBM support… no configure: error: DBA: Could not find necessary header file(s).
Fix:
复制代码 代码如下:
yum -y install db4-devel
checking for fabsf… yes checking for floorf… yes configure: error: jpeglib.h not found.
Fix:
复制代码 代码如下:
yum -y install libjpeg-devel
checking for fabsf… yes checking for floorf… yes checking for jpeg_read_header in -ljpeg… yes configure: error: png.h not found.
Fix:
复制代码 代码如下:
yum -y install libpng-devel
checking for png_write_image in -lpng… yes If configure fails try –with-xpm-dir=
configure: error: freetype.h not found.
Fix:
复制代码 代码如下:
Reconfigure your PHP with the following option. --with-xpm-dir=/usr
checking for png_write_image in -lpng… yes configure: error: libXpm.(a|so) not found.
Fix:
复制代码 代码如下:
yum -y install libXpm-devel
checking for bind_textdomain_codeset in -lc… yes checking for GNU MP support… yes configure: error: Unable to locate gmp.h
Fix:
复制代码 代码如下:
yum -y install gmp-devel
checking for utf8_mime2text signature… new checking for U8T_DECOMPOSE… configure: error: utf8_mime2text() has new signature, but U8T_CANONICAL is missing. This should not happen. Check config.log for additional information.
Fix:
复制代码 代码如下:
yum -y install libc-client-devel
checking for LDAP support… yes, shared checking for LDAP Cyrus SASL support… yes configure: error: Cannot find ldap.h
Fix:
复制代码 代码如下:
yum -y install openldap-devel
checking for mysql_set_character_set in -lmysqlclient… yes checking for mysql_stmt_next_result in -lmysqlclient… no checking for Oracle Database OCI8 support… no checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h' not found!
Fix:
复制代码 代码如下:
yum -y install unixODBC-devel
checking for PostgreSQL support for PDO… yes, shared checking for pg_config… not found configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
Fix:
复制代码 代码如下:
yum -y install postgresql-devel
checking for sqlite 3 support for PDO… yes, shared checking for PDO includes… (cached) /usr/local/src/php-5.3.7/ext checking for sqlite3 files in default path… not found configure: error: Please reinstall the sqlite3 distribution
Fix:
复制代码 代码如下:
yum -y install sqlite-devel
checking for utsname.domainname… yes checking for PSPELL support… yes configure: error: Cannot find pspell
Fix:
复制代码 代码如下:
yum -y install aspell-devel
checking whether to enable UCD SNMP hack… yes checking for default_store.h… no
checking for kstat_read in -lkstat… no checking for snmp_parse_oid in -lsnmp… no checking for init_snmp in -lsnmp… no configure: error: SNMP sanity check failed. Please check config.log for more information.
Fix:
复制代码 代码如下:
yum -y install net-snmp-devel
checking whether to enable XMLWriter support… yes, shared checking for xml2-config path… (cached) /usr/bin/xml2-config checking whether libxml build works… (cached) yes checking for XSL support… yes, shared configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
Fix:
复制代码 代码如下:
yum -y install libxslt-devel
configure: error: xml2-config not found. Please check your libxml2 installation.
Fix:
复制代码 代码如下:
yum -y install libxml2-devel
checking for PCRE headers location… configure: error: Could not find pcre.h in /usr
Fix:
复制代码 代码如下:
yum -y install pcre-devel
configure: error: Cannot find MySQL header files under yes. Note that the MySQL client library is not bundled anymore!
Fix:
复制代码 代码如下:
yum -y install mysql-devel
checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h' not found!
Fix:
复制代码 代码如下:
yum -y install unixODBC-devel
checking for pg_config… not found configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
Fix:
复制代码 代码如下:
yum -y install postgresql-devel
configure: error: Cannot find pspell
Fix:
复制代码 代码如下:
yum -y install pspell-devel
configure: error: Could not find net-snmp-config binary. Please check your net-snmp installation.
Fix:
复制代码 代码如下:
yum -y install net-snmp-devel
configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
Fix:
复制代码 代码如下:
yum -y install libxslt-devel

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

查找方法:1、用strpos(),语法“strpos("字符串值","查找子串")+1”;2、用stripos(),语法“strpos("字符串值","查找子串")+1”。因为字符串是从0开始计数的,因此两个函数获取的位置需要进行加1处理。


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