API Reference Guide > Zend Code Tracing - Configuration Directives

Zend Code Tracing - Configuration Directives

Configuration Directives Summary

Directive	Type	Modification Scope	Description
zend_codetracing.enable	boolean	ZEND_INI_PERDIR	Is tracing functionality enabled?
zend_codetracing.buffer_size	string	PHP_INI_SYSTEM	The size of the trace memory buffer
zend_codetracing.dump_format	integer	PHP_INI_ALL	The type of dump produced
zend_codetracing.max_string	integer	PHP_INI_ALL	The maximal length of the string before it is cut
zend_codetracing.max_depth	integer	PHP_INI_ALL	The maximal depth of the array preserved
zend_codetracing.max_elements	integer	PHP_INI_ALL	The maximal number of the array elements preserved
zend_codetracing.dump_file	string	PHP_INI_ALL	The prefix for the dump file names, relative to zend.data_dir.
zend_codetracing.trace_time	boolean	PHP_INI_ALL	Timestamp collection is enabled
zend_codetracing.trace_source_lines	boolean	PHP_INI_ALL	Source file information collection is enabled
zend_codetracing.trace_internal_functions	boolean	PHP_INI_ALL	Internal functions call collection is enabled
zend_codetracing.trace_user_functions	boolean	PHP_INI_ALL	User functions call collection is enabled
zend_codetracing.trace_includes	boolean	PHP_INI_ALL	Include/require data collection is enabled
zend_codetracing.trace_arguments	boolean	PHP_INI_ALL	Function call argument collection is enabled
zend_codetracing.trace_return_values	boolean	PHP_INI_ALL	Function return value collection is enabled
zend_codetracing.trace_exceptions	boolean	PHP_INI_ALL	PHP exception data collection is enabled
zend_codetracing.trace_arrays	boolean	PHP_INI_ALL	Array contents recording is enabled
zend_codetracing.trace_write	boolean	PHP_INI_ALL	Output data (writing) collection is enabled
zend_codetracing.trace_headers	boolean	PHP_INI_ALL	Output headers collection is enabled
zend_codetracing.trace_memory_usage	boolean	PHP_INI_ALL	Memory usage data collection is enabled
zend_codetracing.trace_errors	boolean	PHP_INI_ALL	PHP error collection is enabled
zend_codetracing.trace_events	boolean	PHP_INI_ALL	Zend Monitor event recording is enabled
zend_codetracing.always_dump	boolean	PHP_INI_ALL	Trace data is always persisted
zend_codetracing.dump_on_segv	boolean	PHP_INI_ALL	Trace data is persisted if fatal signal (like Segmentation Fault) happens
zend_codetracing.max_freq	integer	PHP_INI_SYSTEM	Minimum amount of seconds between successive dumps.
zend_codetracing.log_file	string	PHP_INI_SYSTEM	Log file for the Code Tracing module (relative to the log dir).
zend_codetracing.log_verbosity	integer	PHP_INI_SYSTEM	Logging verbosity level.
zend_codetracing.override_functions	string	PHP_INI_SYSTEM	List of overriding functions.
zend_codetracing.max_concurrent_trace_buffers	integer	PHP_INI_ALL	Number of concurrent trace buffer allocated
zend_codetracing.log_rotation_size	integer	PHP_INI_ALL	The maximum size of the log file before it is rotated
zend_codetracing.max_disk_space	integer	PHP_INI_ALL	The maximum disk space for trace files

Configuration Directive Details

zend_codetracing.enable

Is tracing functionality enabled?

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.buffer_size

The size of the trace memory buffer

Type: string

Units: Bytes

Default Value: 1M

Available since version 4.0

zend_codetracing.dump_format

The type of dump produced

Type: integer

Default Value: 2

Available since version 4.0

zend_codetracing.max_string

The maximal length of the string before it is cut

Type: integer

Units: Bytes

Default Value: 48

Available since version 4.0

zend_codetracing.max_depth

The maximal depth of the array preserved

Type: integer

Default Value: 2

Available since version 4.0

zend_codetracing.max_elements

The maximal number of the array elements preserved

Type: integer

Default Value: 10

Available since version 4.0

zend_codetracing.dump_file

The prefix for the dump file names, relative to zend.data_dir.

Type: string

Default Value: codetracing/dump

Available since version 4.0

zend_codetracing.trace_time

Timestamp collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_source_lines

Source file information collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_internal_functions

Internal functions call collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_user_functions

User functions call collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_includes

Include/require data collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_arguments

Function call argument collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_return_values

Function return value collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_exceptions

PHP exception data collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_arrays

Array contents recording is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_write

Output data (writing) collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_headers

Output headers collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_memory_usage

Memory usage data collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_errors

PHP error collection is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.trace_events

Zend Monitor event recording is enabled

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.always_dump

Trace data is always persisted

Type: boolean

Default Value: 0

Available since version 4.0

zend_codetracing.dump_on_segv

Trace data is persisted if fatal signal (like Segmentation Fault) happens

Type: boolean

Default Value: 1

Available since version 4.0

zend_codetracing.max_freq

Minimum amount of seconds between successive dumps.

Type: integer

Default Value: 1

Available since version 4.0

zend_codetracing.log_file

Log file for the Code Tracing module (relative to the log dir).

Type: string

Default Value: codetracing.log

Available since version 4.0

zend_codetracing.log_verbosity

Logging verbosity level.

Type: integer

Default Value: 0

Available since version 4.0

zend_codetracing.override_functions

List of overriding functions. Can contain function names, wildcards (prefix_*) and references to files (@filename). Entries are separated by comma. File contains one entry per line, which can be function name or wildcard.

Type: string

Default Value: @ZEND_PREFIX/etc/functions.txt

Available since version 4.0

zend_codetracing.max_concurrent_trace_buffers

Number of concurrent trace buffer allocated

Type: integer

Default Value: 5

Available since version 4.0

zend_codetracing.log_rotation_size

The maximum size of the log file before it is rotated

Type: integer

Units: MBytes

Default Value: 10

Available since version 4.0

zend_codetracing.max_disk_space

The maximum disk space for trace files.

Type: integer

Units: MBytes

Default Value: 5120

Available since version 6.1