471 lines
9.3 KiB
PHP
471 lines
9.3 KiB
PHP
<?php
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/*
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* acf_is_empty
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*
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* Returns true if the value provided is considered "empty". Allows numbers such as 0.
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*
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* @date 6/7/16
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* @since 5.4.0
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*
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* @param mixed $var The value to check.
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* @return bool
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*/
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function acf_is_empty( $var ) {
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return ( ! $var && ! is_numeric( $var ) );
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}
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/**
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* acf_not_empty
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*
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* Returns true if the value provided is considered "not empty". Allows numbers such as 0.
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*
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* @date 15/7/19
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* @since 5.8.1
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*
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* @param mixed $var The value to check.
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* @return bool
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*/
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function acf_not_empty( $var ) {
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return ( $var || is_numeric( $var ) );
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}
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/**
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* acf_uniqid
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*
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* Returns a unique numeric based id.
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*
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* @date 9/1/19
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* @since 5.7.10
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*
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* @param string $prefix The id prefix. Defaults to 'acf'.
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* @return string
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*/
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function acf_uniqid( $prefix = 'acf' ) {
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// Instantiate global counter.
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global $acf_uniqid;
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if ( ! isset( $acf_uniqid ) ) {
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$acf_uniqid = 1;
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}
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// Return id.
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return $prefix . '-' . $acf_uniqid++;
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}
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/**
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* acf_merge_attributes
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*
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* Merges together two arrays but with extra functionality to append class names.
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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 array $array1 An array of attributes.
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* @param array $array2 An array of attributes.
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* @return array
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*/
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function acf_merge_attributes( $array1, $array2 ) {
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// Merge together attributes.
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$array3 = array_merge( $array1, $array2 );
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// Append together special attributes.
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foreach ( array( 'class', 'style' ) as $key ) {
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if ( isset( $array1[ $key ] ) && isset( $array2[ $key ] ) ) {
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$array3[ $key ] = trim( $array1[ $key ] ) . ' ' . trim( $array2[ $key ] );
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}
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}
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// Return.
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return $array3;
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}
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/**
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* acf_cache_key
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*
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* Returns a filtered cache key.
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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 $key The cache key.
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* @return string
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*/
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function acf_cache_key( $key = '' ) {
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/**
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* Filters the cache key.
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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 $key The cache key.
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* @param string $original_key The original cache key.
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*/
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return apply_filters( 'acf/get_cache_key', $key, $key );
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}
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/**
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* acf_request_args
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*
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* Returns an array of $_REQUEST values using the provided defaults.
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*
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* @date 28/2/19
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* @since 5.7.13
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*
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* @param array $args An array of args.
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* @return array
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*/
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function acf_request_args( $args = array() ) {
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foreach ( $args as $k => $v ) {
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$args[ $k ] = isset( $_REQUEST[ $k ] ) ? $_REQUEST[ $k ] : $args[ $k ];
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}
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return $args;
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}
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/**
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* Returns a single $_REQUEST arg with fallback.
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*
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* @date 23/10/20
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* @since 5.9.2
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*
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* @param string $key The property name.
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* @param mixed $default The default value to fallback to.
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* @return mixed
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*/
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function acf_request_arg( $name = '', $default = null ) {
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return isset( $_REQUEST[ $name ] ) ? $_REQUEST[ $name ] : $default;
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}
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// Register store.
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acf_register_store( 'filters' );
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/**
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* acf_enable_filter
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*
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* Enables a filter with the given name.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param string name The modifer name.
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* @return void
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*/
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function acf_enable_filter( $name = '' ) {
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acf_get_store( 'filters' )->set( $name, true );
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}
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/**
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* acf_disable_filter
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*
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* Disables a filter with the given name.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param string name The modifer name.
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* @return void
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*/
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function acf_disable_filter( $name = '' ) {
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acf_get_store( 'filters' )->set( $name, false );
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}
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/**
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* acf_is_filter_enabled
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*
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* Returns the state of a filter for the given name.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param string name The modifer name.
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* @return array
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*/
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function acf_is_filter_enabled( $name = '' ) {
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return acf_get_store( 'filters' )->get( $name );
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}
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/**
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* acf_get_filters
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*
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* Returns an array of filters in their current state.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param void
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* @return array
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*/
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function acf_get_filters() {
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return acf_get_store( 'filters' )->get();
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}
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/**
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* acf_set_filters
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*
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* Sets an array of filter states.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param array $filters An Array of modifers
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* @return array
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*/
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function acf_set_filters( $filters = array() ) {
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acf_get_store( 'filters' )->set( $filters );
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}
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/**
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* acf_disable_filters
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*
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* Disables all filters and returns the previous state.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param void
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* @return array
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*/
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function acf_disable_filters() {
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// Get state.
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$prev_state = acf_get_filters();
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// Set all modifers as false.
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acf_set_filters( array_map( '__return_false', $prev_state ) );
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// Return prev state.
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return $prev_state;
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}
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/**
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* acf_enable_filters
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*
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* Enables all or an array of specific filters and returns the previous state.
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*
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* @date 14/7/16
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* @since 5.4.0
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*
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* @param array $filters An Array of modifers
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* @return array
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*/
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function acf_enable_filters( $filters = array() ) {
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// Get state.
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$prev_state = acf_get_filters();
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// Allow specific filters to be enabled.
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if ( $filters ) {
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acf_set_filters( $filters );
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// Set all modifers as true.
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} else {
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acf_set_filters( array_map( '__return_true', $prev_state ) );
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}
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// Return prev state.
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return $prev_state;
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}
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/**
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* acf_idval
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*
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* Parses the provided value for an ID.
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*
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* @date 29/3/19
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* @since 5.7.14
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*
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* @param mixed $value A value to parse.
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* @return int
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*/
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function acf_idval( $value ) {
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// Check if value is numeric.
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if ( is_numeric( $value ) ) {
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return (int) $value;
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// Check if value is array.
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} elseif ( is_array( $value ) ) {
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return (int) isset( $value['ID'] ) ? $value['ID'] : 0;
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// Check if value is object.
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} elseif ( is_object( $value ) ) {
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return (int) isset( $value->ID ) ? $value->ID : 0;
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}
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// Return default.
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return 0;
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}
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/**
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* acf_maybe_idval
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*
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* Checks value for potential id value.
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*
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* @date 6/4/19
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* @since 5.7.14
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*
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* @param mixed $value A value to parse.
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* @return mixed
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*/
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function acf_maybe_idval( $value ) {
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if ( $id = acf_idval( $value ) ) {
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return $id;
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}
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return $value;
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}
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/**
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* acf_numval
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*
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* Casts the provided value as eiter an int or float using a simple hack.
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*
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* @date 11/4/19
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* @since 5.7.14
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*
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* @param mixed $value A value to parse.
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* @return (int|float)
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*/
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function acf_numval( $value ) {
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return ( intval( $value ) == floatval( $value ) ) ? intval( $value ) : floatval( $value );
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}
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/**
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* acf_idify
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*
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* Returns an id attribute friendly string.
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*
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* @date 24/12/17
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* @since 5.6.5
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*
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* @param string $str The string to convert.
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* @return string
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*/
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function acf_idify( $str = '' ) {
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return str_replace( array( '][', '[', ']' ), array( '-', '-', '' ), strtolower( $str ) );
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}
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/**
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* acf_slugify
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*
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* Returns a slug friendly string.
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*
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* @date 24/12/17
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* @since 5.6.5
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*
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* @param string $str The string to convert.
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* @param string $glue The glue between each slug piece.
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* @return string
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*/
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function acf_slugify( $str = '', $glue = '-' ) {
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return str_replace( array( '_', '-', '/', ' ' ), $glue, strtolower( $str ) );
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}
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/**
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* Returns a string with correct full stop punctuation.
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*
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* @date 12/7/19
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* @since 5.8.2
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*
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* @param string $str The string to format.
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* @return string
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*/
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function acf_punctify( $str = '' ) {
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if ( substr( trim( strip_tags( $str ) ), -1 ) !== '.' ) {
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return trim( $str ) . '.';
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}
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return trim( $str );
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}
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/**
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* acf_did
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*
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* Returns true if ACF already did an event.
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*
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* @date 30/8/19
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* @since 5.8.1
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*
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* @param string $name The name of the event.
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* @return bool
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*/
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function acf_did( $name ) {
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// Return true if already did the event (preventing event).
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if ( acf_get_data( "acf_did_$name" ) ) {
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return true;
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// Otherwise, update store and return false (alowing event).
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} else {
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acf_set_data( "acf_did_$name", true );
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return false;
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}
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}
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/**
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* Returns the length of a string that has been submitted via $_POST.
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*
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* Uses the following process:
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* 1. Unslash the string because posted values will be slashed.
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* 2. Decode special characters because wp_kses() will normalize entities.
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* 3. Treat line-breaks as a single character instead of two.
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* 4. Use mb_strlen() to accomodate special characters.
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*
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* @date 04/06/2020
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* @since 5.9.0
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*
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* @param string $str The string to review.
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* @return int
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*/
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function acf_strlen( $str ) {
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return mb_strlen( str_replace( "\r\n", "\n", wp_specialchars_decode( wp_unslash( $str ) ) ) );
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}
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/**
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* Returns a value with default fallback.
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*
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* @date 6/4/20
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* @since 5.9.0
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*
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* @param mixed $value The value.
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* @param mixed $default_value The default value.
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* @return mixed
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*/
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function acf_with_default( $value, $default_value ) {
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return $value ? $value : $default_value;
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}
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/**
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* Returns the current priority of a running action.
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*
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* @date 14/07/2020
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* @since 5.9.0
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*
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* @param string $action The action name.
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* @return int|bool
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*/
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function acf_doing_action( $action ) {
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global $wp_filter;
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if ( isset( $wp_filter[ $action ] ) ) {
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return $wp_filter[ $action ]->current_priority();
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}
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return false;
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}
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/**
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* Returns the current URL.
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*
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* @date 23/01/2015
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* @since 5.1.5
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*
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* @param void
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* @return string
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*/
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function acf_get_current_url() {
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// Ensure props exist to avoid PHP Notice during CLI commands.
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if ( isset( $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'] ) ) {
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return ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
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}
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return '';
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}
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