Validates a Customize setting value.

Description

Plugins should amend the $validity object via its WP_Error::add() method.

The dynamic portion of the hook name, $this->ID, refers to the setting ID.

Parameters

$validityWP_Error

Filtered from true to WP_Error when invalid.

$valuemixed

Value of the setting.

$settingWP_Customize_Setting

WP_Customize_Setting instance.

Source

$validity = apply_filters( "customize_validate_{$this->id}", $validity, $value, $this );

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