381 lines
9.9 KiB
PHP
381 lines
9.9 KiB
PHP
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<?php
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// Register store.
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acf_register_store( 'values' )->prop( 'multisite', true );
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/**
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* acf_get_reference
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*
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* Retrieves the field key for a given field name and post_id.
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*
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* @date 26/1/18
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* @since 5.6.5
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*
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* @param string $field_name The name of the field. eg 'sub_heading'.
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* @param mixed $post_id The post_id of which the value is saved against.
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* @return string The field key.
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*/
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function acf_get_reference( $field_name, $post_id ) {
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// Allow filter to short-circuit load_value logic.
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$reference = apply_filters( 'acf/pre_load_reference', null, $field_name, $post_id );
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if ( $reference !== null ) {
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return $reference;
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}
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// Get hidden meta for this field name.
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$reference = acf_get_metadata( $post_id, $field_name, true );
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/**
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* Filters the reference value.
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*
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* @date 25/1/19
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* @since 5.7.11
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*
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* @param string $reference The reference value.
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* @param string $field_name The field name.
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* @param (int|string) $post_id The post ID where meta is stored.
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*/
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return apply_filters( 'acf/load_reference', $reference, $field_name, $post_id );
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}
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/**
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* Retrieves the value for a given field and post_id.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param int|string $post_id The post id.
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* @param array $field The field array.
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* @return mixed
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*/
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function acf_get_value( $post_id, $field ) {
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// Allow filter to short-circuit load_value logic.
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$value = apply_filters( 'acf/pre_load_value', null, $post_id, $field );
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if ( $value !== null ) {
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return $value;
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}
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// Get field name.
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$field_name = $field['name'];
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// Get field ID & type.
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$decoded = acf_decode_post_id( $post_id );
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$allow_load = true;
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// If we don't have a proper field array, the field doesn't exist currently.
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if ( empty( $field['type'] ) && empty( $field['key'] ) ) {
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// Check if we should trigger warning about accessing fields too early via action.
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do_action( 'acf/get_invalid_field_value', $field, __FUNCTION__ );
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if ( apply_filters( 'acf/prevent_access_to_unknown_fields', false ) || ( 'option' === $decoded['type'] && 'options' !== $decoded['id'] ) ) {
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$allow_load = false;
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}
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}
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// If we're using a non options_ option key, ensure we have a valid reference key.
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if ( 'option' === $decoded['type'] && 'options' !== $decoded['id'] ) {
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$meta = acf_get_metadata( $post_id, $field_name, true );
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if ( ! $meta ) {
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$allow_load = false;
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} elseif ( $meta !== $field['key'] ) {
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if ( ! isset( $field['__key'] ) || $meta !== $field['__key'] ) {
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$allow_load = false;
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}
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}
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}
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// Load Store.
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$store = acf_get_store( 'values' );
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// If we're allowing load, check the store or load value from database.
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if ( $allow_load ) {
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if ( $store->has( "$post_id:$field_name" ) ) {
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return $store->get( "$post_id:$field_name" );
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}
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$value = acf_get_metadata( $post_id, $field_name );
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}
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// Use field's default_value if no meta was found.
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if ( $value === null && isset( $field['default_value'] ) ) {
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$value = $field['default_value'];
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}
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/**
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* Filters the $value after it has been loaded.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The value to preview.
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* @param string $post_id The post ID for this value.
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* @param array $field The field array.
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*/
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$value = apply_filters( 'acf/load_value', $value, $post_id, $field );
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// Update store if we allowed the value load.
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if ( $allow_load ) {
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$store->set( "$post_id:$field_name", $value );
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}
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// Return value.
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return $value;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/load_value', array( 'type', 'name', 'key' ), 2 );
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/**
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* acf_format_value
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*
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* Returns a formatted version of the provided value.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The field value.
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* @param (int|string) $post_id The post id.
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* @param array $field The field array.
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* @return mixed.
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*/
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function acf_format_value( $value, $post_id, $field ) {
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// Allow filter to short-circuit load_value logic.
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$check = apply_filters( 'acf/pre_format_value', null, $value, $post_id, $field );
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if ( $check !== null ) {
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return $check;
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}
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// Get field name.
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$field_name = $field['name'];
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// Check store.
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$store = acf_get_store( 'values' );
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if ( $store->has( "$post_id:$field_name:formatted" ) ) {
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return $store->get( "$post_id:$field_name:formatted" );
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}
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/**
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* Filters the $value for use in a template function.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The value to preview.
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* @param string $post_id The post ID for this value.
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* @param array $field The field array.
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*/
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$value = apply_filters( 'acf/format_value', $value, $post_id, $field );
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// Update store.
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$store->set( "$post_id:$field_name:formatted", $value );
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// Return value.
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return $value;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/format_value', array( 'type', 'name', 'key' ), 2 );
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/**
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* acf_update_value
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*
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* Updates the value for a given field and post_id.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The new value.
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* @param (int|string) $post_id The post id.
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* @param array $field The field array.
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* @return bool.
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*/
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function acf_update_value( $value, $post_id, $field ) {
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// Allow filter to short-circuit update_value logic.
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$check = apply_filters( 'acf/pre_update_value', null, $value, $post_id, $field );
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if ( $check !== null ) {
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return $check;
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}
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/**
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* Filters the $value before it is updated.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The value to update.
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* @param string $post_id The post ID for this value.
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* @param array $field The field array.
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* @param mixed $original The original value before modification.
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*/
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$value = apply_filters( 'acf/update_value', $value, $post_id, $field, $value );
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// Allow null to delete value.
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if ( $value === null ) {
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return acf_delete_value( $post_id, $field );
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}
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// Update meta.
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$return = acf_update_metadata( $post_id, $field['name'], $value );
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// Update reference.
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acf_update_metadata( $post_id, $field['name'], $field['key'], true );
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// Delete stored data.
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acf_flush_value_cache( $post_id, $field['name'] );
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// Return update status.
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return $return;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/update_value', array( 'type', 'name', 'key' ), 2 );
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/**
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* acf_update_values
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*
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* Updates an array of values.
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*
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* @date 26/2/19
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* @since 5.7.13
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*
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* @param array values The array of values.
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* @param (int|string) $post_id The post id.
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* @return void
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*/
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function acf_update_values( $values, $post_id ) {
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// Loop over values.
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foreach ( $values as $key => $value ) {
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// Get field.
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$field = acf_get_field( $key );
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// Update value.
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if ( $field ) {
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acf_update_value( $value, $post_id, $field );
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}
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}
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}
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/**
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* acf_flush_value_cache
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*
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* Deletes all cached data for this value.
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*
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* @date 22/1/19
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* @since 5.7.10
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*
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* @param (int|string) $post_id The post id.
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* @param string $field_name The field name.
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* @return void
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*/
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function acf_flush_value_cache( $post_id = 0, $field_name = '' ) {
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// Delete stored data.
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acf_get_store( 'values' )
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->remove( "$post_id:$field_name" )
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->remove( "$post_id:$field_name:formatted" );
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}
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/**
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* acf_delete_value
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*
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* Deletes the value for a given field and post_id.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param (int|string) $post_id The post id.
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* @param array $field The field array.
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* @return bool.
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*/
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function acf_delete_value( $post_id, $field ) {
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/**
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* Fires before a value is deleted.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param string $post_id The post ID for this value.
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* @param mixed $name The meta name.
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* @param array $field The field array.
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*/
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do_action( 'acf/delete_value', $post_id, $field['name'], $field );
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// Delete meta.
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$return = acf_delete_metadata( $post_id, $field['name'] );
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// Delete reference.
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acf_delete_metadata( $post_id, $field['name'], true );
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// Delete stored data.
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acf_flush_value_cache( $post_id, $field['name'] );
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// Return delete status.
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return $return;
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}
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// Register variation.
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acf_add_filter_variations( 'acf/delete_value', array( 'type', 'name', 'key' ), 2 );
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/**
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* acf_preview_value
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*
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* Return a human friendly 'preview' for a given field value.
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*
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* @date 28/09/13
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* @since 5.0.0
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*
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* @param mixed $value The new value.
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* @param (int|string) $post_id The post id.
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* @param array $field The field array.
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* @return bool.
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*/
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function acf_preview_value( $value, $post_id, $field ) {
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/**
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* Filters the $value before used in HTML.
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*
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* @date 24/10/16
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* @since 5.5.0
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*
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* @param mixed $value The value to preview.
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* @param string $post_id The post ID for this value.
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* @param array $field The field array.
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*/
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return apply_filters( 'acf/preview_value', $value, $post_id, $field );
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}
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// Register variation.
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acf_add_filter_variations( 'acf/preview_value', array( 'type', 'name', 'key' ), 2 );
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/**
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* Potentially log an error if a field doesn't exist when we expect it to.
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*
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* @param array $field An array representing the field that a value was requested for.
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* @param string $function The function that noticed the problem.
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*
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* @return void
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*/
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function acf_log_invalid_field_notice( $field, $function ) {
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// If "init" has fired, ACF probably wasn't initialized early.
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if ( did_action( 'init' ) ) {
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return;
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}
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$error_text = sprintf(
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__( '<strong>%1$s</strong> - We\'ve detected one or more calls to retrieve ACF field values before ACF has been initialized. This is not supported and can result in malformed or missing data. <a href="%2$s" target="_blank">Learn how to fix this</a>.', 'acf' ),
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acf_get_setting( 'name' ),
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acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/acf-field-functions/', 'docs', 'early_init_warning' )
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);
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_doing_it_wrong( $function, $error_text, '5.11.1' );
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|
|
}
|
||
|
|
add_action( 'acf/get_invalid_field_value', 'acf_log_invalid_field_notice', 10, 2 );
|