【已解答】Ubuntu 26 安装不了php7.3
为了能快速了解并处理您的问题，请提供以下基础信息：面板、插件版本：v11.8.0系统版本：Ubuntu 26.04 LTS
问题描述：安装软件报错
相关截图（日志、错误）：/bin/sh /www/server/php/73/src/libtool --silent --preserve-dup-deps --mode=install cp ext/opcache/opcache.la /www/server/php/73/src/modules/bin/sh /www/server/php/73/src/libtool --silent --preserve-dup-deps --mode=compile /usr/bin/gcc-13 -DZEND_ENABLE_STATIC_TSRMLS_CACHE=1 -Iext/libxml/ -I/www/server/php/73/src/ext/libxml/ -DPHP_ATOM_INC -I/www/server/php/73/src/include -I/www/server/php/73/src/main -I/www/server/php/73/src -I/www/server/php/73/src/ext/date/lib -I/usr/include/libxml2 -I/usr/local/openssl/include -I/usr/local/curl/include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/local/icu/include -I/www/server/php/73/src/ext/mbstring/oniguruma -I/www/server/php/73/src/ext/mbstring/libmbfl -I/www/server/php/73/src/ext/mbstring/libmbfl/mbfl -I/www/server/php/73/src/ext/sqlite3/libsqlite -I/usr/local/libsodium/include -I/www/server/php/73/src/TSRM -I/www/server/php/73/src/Zend -I/usr/include -g -O2 -fvisibility=hidden -DZEND_SIGNALS -c /www/server/php/73/src/ext/libxml/libxml.c -o ext/libxml/libxml.lo /www/server/php/73/src/ext/libxml/libxml.c: In function ‘php_libxml_input_buffer_create_filename’:/www/server/php/73/src/ext/libxml/libxml.c:418:17: warning: ‘context’ is deprecated [-Wdeprecated-declarations]418 | ret->context = context; | ^~~In file included from /usr/include/libxml2/libxml/parser.h:30, from /www/server/php/73/src/ext/libxml/libxml.c:37:/usr/include/libxml2/libxml/xmlIO.h:127:28: note: declared here127 | void* context XML_DEPRECATED_MEMBER; | ^~~~~~~/www/server/php/73/src/ext/libxml/libxml.c:419:17: warning: ‘readcallback’ is deprecated [-Wdeprecated-declarations]419 | ret->readcallback = php_libxml_streams_IO_read; | ^~~/usr/include/libxml2/libxml/xmlIO.h:128:28: note: declared here128 | xmlInputReadCallback readcallback XML_DEPRECATED_MEMBER; | ^~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c:420:17: warning: ‘closecallback’ is deprecated [-Wdeprecated-declarations]420 | ret->closecallback = php_libxml_streams_IO_close; | ^~~/usr/include/libxml2/libxml/xmlIO.h:129:28: note: declared here129 | xmlInputCloseCallbackclosecallback XML_DEPRECATED_MEMBER; | ^~~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c: At top level:/www/server/php/73/src/ext/libxml/libxml.c:430:47: error: expected ‘;’, ‘,’ or ‘)’ before ‘ATTRIBUTE_UNUSED’430 | int compression ATTRIBUTE_UNUSED) | ^~~~~~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c: In function ‘_php_libxml_external_entity_loader’:/www/server/php/73/src/ext/libxml/libxml.c:657:41: warning: ‘context’ is deprecated [-Wdeprecated-declarations]657 | pib->context = stream; | ^~~/usr/include/libxml2/libxml/xmlIO.h:127:28: note: declared here127 | void* context XML_DEPRECATED_MEMBER; | ^~~~~~~/www/server/php/73/src/ext/libxml/libxml.c:658:41: warning: ‘readcallback’ is deprecated [-Wdeprecated-declarations]658 | pib->readcallback = php_libxml_streams_IO_read; | ^~~/usr/include/libxml2/libxml/xmlIO.h:128:28: note: declared here128 | xmlInputReadCallback readcallback XML_DEPRECATED_MEMBER; | ^~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c:659:41: warning: ‘closecallback’ is deprecated [-Wdeprecated-declarations]659 | pib->closecallback = php_libxml_streams_IO_close; | ^~~/usr/include/libxml2/libxml/xmlIO.h:129:28: note: declared here129 | xmlInputCloseCallbackclosecallback XML_DEPRECATED_MEMBER; | ^~~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c: In function ‘php_libxml_shutdown’:/www/server/php/73/src/ext/libxml/libxml.c:769:17: warning: ‘xmlRelaxNGCleanupTypes’ is deprecated: See https://gnome.pages.gitlab.gnome.org/libxml2/html/deprecated.html [-Wdeprecated-declarations]769 | xmlRelaxNGCleanupTypes(); | ^~~~~~~~~~~~~~~~~~~~~~In file included from /www/server/php/73/src/ext/libxml/libxml.c:44:/usr/include/libxml2/libxml/relaxng.h:122:21: note: declared here122 | xmlRelaxNGCleanupTypes (void); | ^~~~~~~~~~~~~~~~~~~~~~/www/server/php/73/src/ext/libxml/libxml.c: In function ‘zm_startup_libxml’:/www/server/php/73/src/ext/libxml/libxml.c:867:54: error: ‘php_libxml_output_buffer_create_filename’ undeclared (first use in this function); did you mean ‘php_libxml_input_buffer_create_filename’?867 | xmlOutputBufferCreateFilenameDefault(php_libxml_output_buffer_create_filename); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | php_libxml_input_buffer_create_filename/www/server/php/73/src/ext/libxml/libxml.c:867:54: note: each undeclared identifier is reported only once for each function it appears in/www/server/php/73/src/ext/libxml/libxml.c: In function ‘zm_activate_libxml’:/www/server/php/73/src/ext/libxml/libxml.c:880:54: error: ‘php_libxml_output_buffer_create_filename’ undeclared (first use in this function); did you mean ‘php_libxml_input_buffer_create_filename’?880 | xmlOutputBufferCreateFilenameDefault(php_libxml_output_buffer_create_filename); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | php_libxml_input_buffer_create_filename/www/server/php/73/src/ext/libxml/libxml.c: In function ‘zif_libxml_use_internal_errors’:/www/server/php/73/src/ext/libxml/libxml.c:979:48: warning: comparison of distinct pointer types lacks a cast979 | if (current_handler && current_handler == php_libxml_structured_error_handler) { | ^~/www/server/php/73/src/ext/libxml/libxml.c:997:49: warning: passing argument 2 of ‘xmlSetStructuredErrorFunc’ from incompatible pointer type [-Wincompatible-pointer-types]997 | xmlSetStructuredErrorFunc(NULL, php_libxml_structured_error_handler); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | void (*)(void *, xmlError *) {aka void (*)(void *, struct _xmlError *)}In file included from /usr/include/libxml2/libxml/valid.h:19, from /usr/include/libxml2/libxml/parser.h:24:/usr/include/libxml2/libxml/xmlerror.h:1005:57: note: expected ‘xmlStructuredErrorFunc’ {aka ‘void (*)(void *, const struct _xmlError *)’} but argument is of type ‘void (*)(void *, xmlError *)’ {aka ‘void (*)(void *, struct _xmlError *)’} 1005 | xmlStructuredErrorFunc handler); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~/www/server/php/73/src/ext/libxml/libxml.c: In function ‘zif_libxml_get_last_error’:/www/server/php/73/src/ext/libxml/libxml.c:1013:15: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers] 1013 | error = xmlGetLastError(); | ^make: *** Error 1
PHP7.xPHP官方已经停止维护，Ubuntu26是今年5月份推出的新系统，PHP为对此做兼容，如果非要使用PHP7.x建议降级系统到Ubuntu24，这个系统是可以的，如果不是必要的，请更换PHP8.3+的版本
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