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❖ *.php
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<?phprequire_once("/foo/bar/baz.php");require_once("bar/baz.php");require_once("baz.php");
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❖ *.php
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switch (type) { case ZEND_INCLUDE_ONCE: case ZEND_REQUIRE_ONCE: { zend_file_handle file_handle; zend_string *resolved_path;
resolved_path = zend_resolve_path(Z_STRVAL_P(inc_filename), (int)Z_STRLEN_P(inc_filename)); if (resolved_path) { if (zend_hash_exists(&EG(included_files), resolved_path)) { goto already_compiled; }
Zend/zend_execute.c zend_include_or_eval()
switch (type) { case ZEND_INCLUDE_ONCE: case ZEND_REQUIRE_ONCE: { zend_file_handle file_handle; zend_string *resolved_path;
resolved_path = zend_resolve_path(Z_STRVAL_P(inc_filename), (int)Z_STRLEN_P(inc_filename)); if (resolved_path) { if (zend_hash_exists(&EG(included_files), resolved_path)) { goto already_compiled; }
Zend/zend_execute.c zend_include_or_eval()
❖ *.php
❖ stat(2)
❖ stat
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$ pstree 35811-+= 35811 hnw sapi/fpm/php-fpm |--- 35812 hnw sapi/fpm/php-fpm \--- 35813 hnw sapi/fpm/php-fpm
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$ pstree 35811-+= 35811 hnw sapi/fpm/php-fpm |--- 35812 hnw sapi/fpm/php-fpm \--- 35813 hnw sapi/fpm/php-fpm
❖ *.php
❖ stat(2)
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!"" current -> /var/www/my_app_name/releases/20150120114500/!"" releases# !"" 20150100093500# !"" 20150110104000# $"" 20150120114500
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❖ *.php
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*.php
❖ *.php
❖ *.php
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❖ realpath_cache_ttl
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❖ *.php
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❖ realpath_cache_ttl=0
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❖ *.php
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❖ *.php
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❖ opcache.revalidate_path=0
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int main(int argc, char *argv[]){ /* */
php_execute_script(&file_handle);
sapi/fpm/fpm/fpm_main.c sapi/apache2handler/sapi_apache2.c
typedef struct _zend_file_handle { union { int fd; FILE *fp; zend_stream stream; } handle; const char *filename; zend_string *opened_path; zend_stream_type type; zend_bool free_filename;} zend_file_handle;
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typedef struct _zend_file_handle { union { int fd; FILE *fp; zend_stream stream; } handle; const char *filename; zend_string *opened_path; zend_stream_type type; zend_bool free_filename;} zend_file_handle;
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❖ php_execute_script() file_handle->opened_path
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❖ file_handle->opened_pathdo_validate_timetamps()
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❖ opcache.validate_timestamps=1
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❖ opcache.revalidate_path=0
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❖ opcache.revalidate_path=1
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fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;fastcgi_param DOCUMENT_ROOT $realpath_root;
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❖ $realpath_root
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❖ opcache.revalidate_path=0
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❖ opcache.max_accelerated_files❖
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❖ opcache_get_status()
❖ opcache.max_wasted_percentage❖
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❖ opcache_invalidate($script)
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❖ opcache_reset()
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❖ $realpath_root opcache_invalidate()
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❖ opcache.revalidate_path=1
❖ realpath_cache_ttl=5
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❖ opcache.revalidate_path=0
❖ opcache.validate_timestamps=0
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❖ opcache_reset()
<?phpdefine('ROOT_DIR', getcwd()); /* dirname(__FILE__) */
/* autoloader */
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