Class ProgressHelper
Create a progress bar using a supplied callback.
Usage
The ProgressHelper can be accessed from shells using the helper() method
$this->helper('Progress')->output(['callback' => function ($progress) { // Do work $progress->increment(); });
- Cake\Console\Helper uses Cake\Core\InstanceConfigTrait
- Cake\Shell\Helper\ProgressHelper
Properties summary
-
$_progress
protectedThe current progress.integer
-
$_total
protectedThe total number of 'items' to progress through.integer
-
$_width
protectedThe width of the bar.integer
Inherited Properties
Method Summary
- draw() publicRender the progress bar based on the current state.
- increment() publicIncrement the progress bar.
- init() publicInitialize the progress bar for use.
- output() publicOutput a progress bar.
Method Detail
increment()source public
increment( integer $num 1 )
Increment the progress bar.
Parameters
- integer
$num
optional 1 - The amount of progress to advance by.
Returns
$this
init()source public
init( array $args [] )
Initialize the progress bar for use.
-
total
The total number of items in the progress bar. Defaults to 100. -
width
The width of the progress bar. Defaults to 80.
Parameters
- array
$args
optional [] - The initialization data.
Returns
$this
output()source public
output( array $args )
Output a progress bar.
Takes a number of options to customize the behavior:
-
total
The total number of items in the progress bar. Defaults to 100. -
width
The width of the progress bar. Defaults to 80. -
callback
The callback that will be called in a loop to advance the progress bar.
Parameters
- array
$args
- The arguments/options to use when outputing the progress bar.
Methods inherited from Cake\Console\Helper
__construct()source public
__construct( Cake\Console\ConsoleIo $io , array $config [] )
Constructor.
Parameters
-
Cake\Console\ConsoleIo
$io
- The ConsoleIo instance to use.
- array
$config
optional [] - The settings for this helper.
Methods used from Cake\Core\InstanceConfigTrait
_configDelete()source protected
_configDelete( string $key )
Deletes a single config key.
Parameters
- string
$key
- Key to delete.
Throws
Cake\Core\Exception\Exception
if attempting to clobber existing config
_configRead()source protected
_configRead( string|null $key )
Reads a config key.
Parameters
- string|null
$key
- Key to read.
Returns
mixed_configWrite()source protected
_configWrite( string|array $key , mixed $value , boolean|string $merge false )
Writes a config key.
Parameters
- string|array
$key
- Key to write to.
- mixed
$value
- Value to write.
- boolean|string
$merge
optional false True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.
Throws
Cake\Core\Exception\Exception
if attempting to clobber existing config
config()source public
config( string|array|null $key null , mixed|null $value null , boolean $merge true )
Gets/Sets the config.
Usage
Reading the whole config:
$this->config();
Reading a specific value:
$this->config('key');
Reading a nested value:
$this->config('some.nested.key');
Setting a specific value:
$this->config('key', $value);
Setting a nested value:
$this->config('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->config(['one' => 'value', 'another' => 'value']);
Deprecated
3.4.0 use setConfig()/getConfig() instead.Parameters
- string|array|null
$key
optional null - The key to get/set, or a complete array of configs.
- mixed|null
$value
optional null - The value to set.
- boolean
$merge
optional true - Whether to recursively merge or overwrite existing config, defaults to true.
Returns
mixedConfig value being read, or the object itself on write operations.
Throws
Cake\Core\Exception\Exception
When trying to set a key that is invalid.
configShallow()source public
configShallow( string|array $key , mixed|null $value null )
Merge provided config with existing config. Unlike config()
which does a recursive merge for nested keys, this method does a simple merge.
Setting a specific value:
$this->configShallow('key', $value);
Setting a nested value:
$this->configShallow('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->configShallow(['one' => 'value', 'another' => 'value']);
Parameters
- string|array
$key
- The key to set, or a complete array of configs.
- mixed|null
$value
optional null - The value to set.
Returns
$this
getConfig()source public
getConfig( string|null $key null , mixed $default null )
Returns the config.
Usage
Reading the whole config:
$this->getConfig();
Reading a specific value:
$this->getConfig('key');
Reading a nested value:
$this->getConfig('some.nested.key');
Reading with default value:
$this->getConfig('some-key', 'default-value');
Parameters
- string|null
$key
optional null - The key to get or null for the whole config.
- mixed
$default
optional null - The return value when the key does not exist.
Returns
mixedConfig value being read.
setConfig()source public
setConfig( string|array $key , mixed|null $value null , boolean $merge true )
Sets the config.
Usage
Setting a specific value:
$this->setConfig('key', $value);
Setting a nested value:
$this->setConfig('some.nested.key', $value);
Updating multiple config settings at the same time:
$this->setConfig(['one' => 'value', 'another' => 'value']);
Parameters
- string|array
$key
- The key to set, or a complete array of configs.
- mixed|null
$value
optional null - The value to set.
- boolean
$merge
optional true - Whether to recursively merge or overwrite existing config, defaults to true.
Returns
$this
Throws
Cake\Core\Exception\Exception
When trying to set a key that is invalid.
Properties detail
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Licensed under the MIT License.
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https://api.cakephp.org/3.4/class-Cake.Shell.Helper.ProgressHelper.html