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memory_get_peak_usage

memory_get_peak_usage

(PHP 5 >= 5.2.0)

memory_get_peak_usageReturns the peak of memory allocated by PHP

说明

int memory_get_peak_usage ([ bool $real_usage = false ] )

Returns the peak of memory, in bytes, that's been allocated to your PHP script.

参数

real_usage

Set this to TRUE to get the real size of memory allocated from system. If not set or FALSE only the memory used by emalloc() is reported.

返回值

Returns the memory peak in bytes.

更新日志

版本 说明
5.2.1 Compiling with --enable-memory-limit is no longer required for this function to exist.
5.2.0 real_usage was added.

参见


  • assert
  • assert_options
  • dl
  • extension_loaded
  • gc_collect_cycles
  • gc_disable
  • gc_enable
  • gc_enabled
  • getenv
  • getlastmod
  • getmyinode
  • getopt
  • getrusage
  • get_cfg_var
  • get_current_user
  • get_defined_constants
  • get_extension_funcs
  • get_included_files
  • get_include_path
  • get_loaded_extensions
  • get_magic_quotes_gpc
  • get_magic_quotes_runtime
  • get_required_files
  • ini_alter
  • ini_get
  • ini_get_all
  • ini_restore
  • ini_set
  • magic_quotes_runtime
  • main
  • memory_get_peak_usage
  • memory_get_usage
  • phpcredits
  • phpversion
  • php_ini_loaded_file
  • php_ini_scanned_files
  • php_logo_guid
  • php_sapi_name
  • php_uname
  • putenv
  • restore_include_path
  • set_include_path
  • set_magic_quotes_runtime
  • set_time_limit
  • sys_get_temp_dir
  • version_compare
  • zend_logo_guid
  • zend_thread_id
  • zend_version
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