PHP编译过程中常见错误信息的解决方
checking for BZip2 support… yes checking for BZip2 in default path… not found configure: error: Please reinstall the BZip2 distribution
Fix: yum 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: yum 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: yum install db4-devel
checking for fabsf… yes checking for floorf… yes configure: error: jpeglib.h not found.
Fix: yum 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: yum 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: 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: yum 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: yum 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: yum install libc-client-devel
checking for LDAP support… yes, shared checking for LDAP Cyrus SASL support… yes configure: error: Cannot find ldap.h
Fix: yum 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:
yum 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: yum 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: yum install sqlite-devel
checking for utsname.domainname… yes checking for PSPELL support… yes configure: error: Cannot find pspell
Fix: yum 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: yum 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: yum install libxslt-devel
configure: error: xml2-config not found. Please check your libxml2 installation.
Fix: yum install libxml2-devel
checking for PCRE headers location… configure: error: Could not find pcre.h in /usr
Fix: yum install pcre-devel
configure: error: Cannot find MySQL header files under yes. Note that the MySQL client library is not bundled anymore!
Fix: yum install mysql-devel
checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h’ not found!
Fix: yum install unixODBC-devel
checking for pg_config… not found configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
Fix:
yum install postgresql-devel
configure: error: Cannot find pspell
Fix: yum install pspell-devel
configure: error: Could not find net-snmp-config binary. Please check your net-snmp installation.
Fix: yum install net-snmp-devel
configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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