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<?php
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/**
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* @file
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* Variable module hook implementations
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*/
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/**
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* Implements hook_variable_group_info().
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*/
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function variable_variable_group_info() {
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// Group for variable that have no group
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$groups['default'] = array(
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'title' => t('Other'),
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'description' => t("Variables that don't belong to any other group."),
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);
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$groups['debug'] = array(
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'title' => t('Debug'),
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'description' => t('Debug and development options.'),
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);
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$groups['variable'] = array(
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'title' => t('Variable'),
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'description' => t('Variables that contain metadata about the variable system.'),
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);
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return $groups;
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}
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/**
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* Implements hook_variable_type_info().
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*/
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function variable_variable_type_info() {
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// Array of values
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$type['array'] = array(
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'title' => t('Array'),
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'element' => array('#type' => 'fieldset', '#tree' => TRUE),
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// Properties for each array item
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'repeat' => array(
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'element' => array('#type' => 'textfield'),
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),
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'format callback' => 'variable_format_array',
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'element callback' => 'variable_form_element_array',
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'default' => array(),
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);
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// Array whose keys are named properties.
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$type['properties'] = array(
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'title' => t('Properties'),
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'format callback' => 'variable_format_properties',
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'type' => 'array',
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);
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// TRUE / FALSE value, checkbox
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$type['boolean'] = array(
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'title' => t('Boolean'),
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'element' => array('#type' => 'checkbox'),
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'format callback' => 'variable_format_boolean',
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);
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// Default type for variables with no other type
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$type['default'] = array(
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'title' => t('Default'),
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'element' => array('#type' => 'textfield'),
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'access' => 'administer site configuration',
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);
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// Enable/Disable
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$type['enable'] = array(
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'title' => t('Enable'),
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'options' => array(t('Disabled'), t('Enabled')),
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'default' => 0,
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'element' => array('#type' => 'radios'),
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'format callback' => 'variable_format_selection',
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);
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// Multiple variable that will spawn into multiple elements
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$type['multiple'] = array(
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'title' => t('Multiple'),
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'element' => array('#type' => 'fieldset'),
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'build callback' => 'variable_build_multiple',
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'format callback' => 'variable_format_multiple',
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'element callback' => 'variable_form_element_multiple',
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'value callback' => 'variable_multiple_get_value',
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'default callback' => 'variable_multiple_get_default',
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);
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$type['mail_address'] = array(
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'title' => t('E-mail address'),
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'element' => array('#type' => 'textfield'),
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'token' => TRUE,
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);
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$type['mail_text'] = array(
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'title' => t('Mail text'),
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'multiple' => array('subject' => t('Subject'), 'body' => t('Body')),
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'build callback' => 'variable_build_mail_text',
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'localize' => TRUE,
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'type' => 'multiple',
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);
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$type['number'] = array(
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'title' => t('Number'),
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'element' => array('#type' => 'textfield', '#size' => 15, '#maxlength' => 10),
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'token' => TRUE,
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'validate callback' => 'variable_validate_number',
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'format callback' => 'variable_format_number',
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);
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// Select multiple options from multiple choices
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$type['options'] = array(
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'title' => t('Options'),
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'options' => TRUE,
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'element' => array('#type' => 'checkboxes'),
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'element callback' => 'variable_form_element_options',
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'format callback' => 'variable_format_options',
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);
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// Select single option from multiple choices
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$type['select'] = array(
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'title' => t('Select'),
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'options' => TRUE,
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// This will become radios or drop-down depending on the number of options
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'element callback' => 'variable_form_element_options',
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'format callback' => 'variable_format_selection',
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);
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// Select number from array of values. Options array that can be list of numbers will be converted to a value => value
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$type['select_number'] = array(
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'title' => t('Select'),
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'options' => TRUE,
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'element callback' => 'variable_form_element_options',
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'options callback' => 'variable_options_select_number',
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);
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$type['string'] = array(
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'title' => t('String'),
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'element' => array('#type' => 'textfield'),
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'localize' => TRUE,
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'format callback' => 'variable_format_string',
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'token' => TRUE,
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// This type may have an 'allowed tags' attribute.
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// If empty it will be formatted as plain text
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'allowed tags' => array(),
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);
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$type['text'] = array(
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'title' => t('Text'),
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'element' => array('#type' => 'textarea'),
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'localize' => TRUE,
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'format callback' => 'variable_format_text',
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'token' => TRUE,
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// This type may have an 'allowed tags' attribute.
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// If empty it will be formatted with filter_xss_admin.
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'allowed tags' => array(),
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);
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// Default type for variables with no other type
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$type['unknown'] = array(
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'title' => t('Unknown'),
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'access' => 'administer site configuration',
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'format' => 'variable_format_unknown',
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'element callback' => 'variable_form_element_unknown',
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'element' => array('#type' => 'item'),
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);
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$type['url'] = array(
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'title' => t('URL'),
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'element' => array('#type' => 'textfield', '#size' => 80, '#maxlength' => 255),
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'token' => TRUE,
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);
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$type['mail_part'] = array(
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'title' => t('Mail parts'),
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'options' => array('subject' => t('Subject'), 'body' => t('Body')),
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);
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$type['text_format'] = array(
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'title' => t('Formatted text'),
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'element' => array('#type' => 'text_format'),
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'element callback' => 'variable_form_element_text_format',
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'format callback' => 'variable_format_text_format',
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'default callback' => 'variable_text_format_default',
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'localize' => TRUE,
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);
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return $type;
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}
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/**
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* Build multiple mail variable
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*/
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function variable_build_mail_text($variable, $options = array()) {
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$name = str_replace('[mail_part]', '', $variable['name']);
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// For mail text, children have different types
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$variable['children'][$name . 'subject']['type'] = 'string';
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$variable['children'][$name . 'body']['type'] = 'text';
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$variable = variable_build_multiple($variable, $options);
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return $variable;
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}
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/**
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* Format select variable
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*/
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function variable_format_selection($variable, $options = array()) {
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$variable = variable_build_options($variable, $options);
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if (isset($variable['value'])) {
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return isset($variable['options'][$variable['value']]) ? $variable['options'][$variable['value']] : '<' . t('Invalid option') . '>';
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}
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else {
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return variable_format_empty($variable);
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}
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}
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/**
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* Format options variable. Value is an array of options.
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*/
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function variable_format_options($variable, $options = array()) {
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$variable = variable_build_options($variable, $options);
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$names = array();
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if (isset($variable['value']) && $variable['value']) {
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if (is_array($variable['value'])) {
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foreach ($variable['value'] as $index => $value) {
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$names[$index] = isset($variable['options'][$value]) ? $variable['options'][$value] : '<' . t('Invalid option') . '>';
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}
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return implode(', ', $names);
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}
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else {
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return '<' . t('Invalid value') . '>';
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}
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}
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else {
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return variable_format_empty($variable);
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}
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}
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/**
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* Format array variable, handling nested arrays
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*/
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function variable_format_array($variable = NULL, $options = array()) {
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if (empty($variable['value'])) {
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return variable_format_empty($variable);
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}
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else {
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$list = array();
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foreach ($variable['value'] as $index => $item) {
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if (is_array($item) || is_object($item)) {
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$list[$index] = variable_format_array(array('value' => (array)$item), $options);
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}
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else {
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$list[$index] = check_plain((string)$item);
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}
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}
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return theme('item_list', array('items' => $list));
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}
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}
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/**
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* Format array variable with known keys, handling nested arrays
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*/
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function variable_format_properties($variable = NULL, $options = array()) {
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if (empty($variable['value'])) {
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return variable_format_empty($variable);
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}
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else {
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$rows = array();
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foreach ($variable['value'] as $name => $item) {
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$title = check_plain((string)$name);
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if (is_array($item) || is_object($item)) {
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$value = variable_format_array(array('value' => (array)$item), $options);
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}
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else {
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$value = check_plain((string)$item);
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}
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$rows[] = array('<em>' . $title . '</em>', $value);
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}
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return theme('table', array('rows' => $rows));
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}
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}
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/**
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* Format boolean variable
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*/
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function variable_format_boolean($variable, $options = array()) {
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if (isset($variable['value'])) {
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return $variable['value'] ? t('True') : t('False');
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}
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else {
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return t('Undefined');
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}
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}
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/**
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* Format variable empty value
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*/
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function variable_format_empty($variable) {
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return isset($variable['empty']) ? $variable['empty'] : t('Empty');
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}
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/**
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* Format variable as number.
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*/
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281
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function variable_format_number($variable, $options = array()) {
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if (is_numeric($variable['value'])) {
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return (string)$variable['value'];
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}
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elseif (empty($variable['value'])) {
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return '';
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}
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else {
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return check_plain($variable['value']);
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}
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}
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293
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/**
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* Format variable as string. Either check plain for filter_xss.
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*/
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function variable_format_string($variable, $options = array()) {
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if (empty($variable['value'])) {
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return '';
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}
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300
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elseif (!empty($variable['allowed tags'])) {
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return filter_xss($variable['value'], $variable['allowed tags']);
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}
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else {
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return check_plain($variable['value']);
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}
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}
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307
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308
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/**
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309
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* Format text variable
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310
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*/
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function variable_format_text($variable, $options = array()) {
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312
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if (empty($variable['value'])) {
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return '';
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314
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}
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315
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elseif (!empty($variable['allowed tags'])) {
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return filter_xss($variable['value'], $variable['allowed tags']);
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}
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else {
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return filter_xss_admin($variable['value']);
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}
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321
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}
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322
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323
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/**
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324
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* Options callback for numeric select
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325
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*/
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326
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function variable_options_select_number($variable, $options = array()) {
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327
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return drupal_map_assoc($variable['options']);
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}
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329
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330
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/**
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331
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* Default callback for text_format.
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*/
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333
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function variable_text_format_default($variable, $options = array()) {
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334
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$out = array(
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'value' => '',
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336
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'format' => filter_default_format(),
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337
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);
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338
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if (!empty($variable['default'])) {
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339
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if (is_string($variable['default'])) {
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$out['value'] = $variable['default'];
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341
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}
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342
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elseif (is_array($variable['default'])) {
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343
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if (isset($variable['default']['value'])) {
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344
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$out['value'] = $variable['default']['value'];
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345
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}
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346
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if (isset($variable['default']['format'])) {
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347
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$out['format'] = $variable['default']['format'];
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348
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}
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349
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}
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350
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}
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return $out;
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352
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}
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353
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354
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/**
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* Format text_format.
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*/
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function variable_format_text_format($variable, $options = array()) {
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return check_markup($variable['value']['value'], $variable['value']['format']);
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}
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360
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361
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/**
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362
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* Format multiple variable.
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363
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*/
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364
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function variable_format_multiple($variable, $options = array()) {
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365
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$rows = array();
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366
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foreach ($variable['children'] as $name => $child) {
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$rows[$name] = array(
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array('data' => check_plain($child['title']), 'header' => TRUE),
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369
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variable_format_value($child)
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);
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}
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return theme('table', array('rows' => $rows));
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}
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375
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/**
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376
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* Validate numeric variable.
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377
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*/
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378
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function variable_validate_number($variable) {
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379
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if (!is_numeric($variable['value'])) {
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380
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return t('The value is not a number.');
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}
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382
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}
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