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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();
});
Property Summary
-
$_config protected
array<string, mixed>
Runtime config
-
$_configInitialized protected
bool
Whether the config property has already been configured with defaults
-
$_defaultConfig protected
array<string, mixed>
Default config for this helper.
-
$_io protected
Cake\Console\ConsoleIo
ConsoleIo instance.
-
$_progress protected
float|int
The current progress.
-
$_total protected
int
The total number of 'items' to progress through.
-
$_width protected
int
The width of the bar.
Method Summary
__construct() public
Constructor.
_configDelete() protected
Deletes a single config key.
_configRead() protected
Reads a config key.
_configWrite() protected
Writes a config key.
configShallow() public
Merge provided config with existing config. Unlike
config()
which does a recursive merge for nested keys, this method does a simple merge.draw() public
Render the progress bar based on the current state.
getConfig() public
Returns the config.
getConfigOrFail() public
Returns the config for this specific key.
increment() public
Increment the progress bar.
init() public
Initialize the progress bar for use.
output() public
Output a progress bar.
setConfig() public
Sets the config.
Method Detail
__construct() public
__construct(Cake\Console\ConsoleIo $io, array<string, mixed> $config = [])
Constructor.
Parameters
Cake\Console\ConsoleIo
$io-
The ConsoleIo instance to use.
array<string, mixed>
$config optional-
The settings for this helper.
_configDelete() protected
_configDelete(string $key): void
Deletes a single config key.
Parameters
string
$key-
Key to delete.
Returns
void
Throws
Cake\Core\Exception\CakeException
if attempting to clobber existing config
_configRead() protected
_configRead(string|null $key): mixed
Reads a config key.
Parameters
string|null
$key-
Key to read.
Returns
mixed
_configWrite() protected
_configWrite(array<string, mixed>|string $key, mixed $value, string|bool $merge = false): void
Writes a config key.
Parameters
array<string, mixed>|string
$key-
Key to write to.
mixed
$value-
Value to write.
string|bool
$merge optional-
True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.
Returns
void
Throws
Cake\Core\Exception\CakeException
if attempting to clobber existing config
configShallow() public
configShallow(array<string, mixed>|string $key, mixed|null $value = null): $this
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
array<string, mixed>|string
$key-
The key to set, or a complete array of configs.
mixed|null
$value optional-
The value to set.
Returns
$this
draw() public
draw(): $this
Render the progress bar based on the current state.
Returns
$this
getConfig() public
getConfig(string|null $key = null, mixed $default = null): mixed
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-
The key to get or null for the whole config.
mixed
$default optional-
The return value when the key does not exist.
Returns
mixed
getConfigOrFail() public
getConfigOrFail(string $key): mixed
Returns the config for this specific key.
The config value for this key must exist, it can never be null.
Parameters
string
$key-
The key to get.
Returns
mixed
Throws
InvalidArgumentException
increment() public
increment(float|int $num = 1): $this
Increment the progress bar.
Parameters
float|int
$num optional-
The amount of progress to advance by.
Returns
$this
init() public
init(array $args = []): $this
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() public
output(array $args): void
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.
Returns
void
setConfig() public
setConfig(array<string, mixed>|string $key, mixed|null $value = null, bool $merge = true): $this
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
array<string, mixed>|string
$key-
The key to set, or a complete array of configs.
mixed|null
$value optional-
The value to set.
bool
$merge optional-
Whether to recursively merge or overwrite existing config, defaults to true.
Returns
$this
Throws
Cake\Core\Exception\CakeException
When trying to set a key that is invalid.
Property Detail
$_config protected
Runtime config
Type
array<string, mixed>
$_configInitialized protected
Whether the config property has already been configured with defaults
Type
bool
$_defaultConfig protected
Default config for this helper.
Type
array<string, mixed>
$_io protected
ConsoleIo instance.
Type
Cake\Console\ConsoleIo
$_progress protected
The current progress.
Type
float|int
$_total protected
The total number of 'items' to progress through.
Type
int
$_width protected
The width of the bar.
Type
int
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https://api.cakephp.org/4.4/class-Cake.Shell.Helper.ProgressHelper.html