Mini Shell
<?php
/*
* acf_is_empty
*
* Returns true if the value provided is considered "empty". Allows numbers such as 0.
*
* @date 6/7/16
* @since 5.4.0
*
* @param mixed $var The value to check.
* @return bool
*/
function acf_is_empty( $var ) {
return ( ! $var && ! is_numeric( $var ) );
}
/**
* acf_not_empty
*
* Returns true if the value provided is considered "not empty". Allows numbers such as 0.
*
* @date 15/7/19
* @since 5.8.1
*
* @param mixed $var The value to check.
* @return bool
*/
function acf_not_empty( $var ) {
return ( $var || is_numeric( $var ) );
}
/**
* acf_uniqid
*
* Returns a unique numeric based id.
*
* @date 9/1/19
* @since 5.7.10
*
* @param string $prefix The id prefix. Defaults to 'acf'.
* @return string
*/
function acf_uniqid( $prefix = 'acf' ) {
// Instantiate global counter.
global $acf_uniqid;
if ( ! isset( $acf_uniqid ) ) {
$acf_uniqid = 1;
}
// Return id.
return $prefix . '-' . $acf_uniqid++;
}
/**
* acf_merge_attributes
*
* Merges together two arrays but with extra functionality to append class names.
*
* @date 22/1/19
* @since 5.7.10
*
* @param array $array1 An array of attributes.
* @param array $array2 An array of attributes.
* @return array
*/
function acf_merge_attributes( $array1, $array2 ) {
// Merge together attributes.
$array3 = array_merge( $array1, $array2 );
// Append together special attributes.
foreach ( array( 'class', 'style' ) as $key ) {
if ( isset( $array1[ $key ] ) && isset( $array2[ $key ] ) ) {
$array3[ $key ] = trim( $array1[ $key ] ) . ' ' . trim( $array2[ $key ] );
}
}
// Return.
return $array3;
}
/**
* acf_cache_key
*
* Returns a filtered cache key.
*
* @date 25/1/19
* @since 5.7.11
*
* @param string $key The cache key.
* @return string
*/
function acf_cache_key( $key = '' ) {
/**
* Filters the cache key.
*
* @date 25/1/19
* @since 5.7.11
*
* @param string $key The cache key.
* @param string $original_key The original cache key.
*/
return apply_filters( 'acf/get_cache_key', $key, $key );
}
/**
* acf_request_args
*
* Returns an array of $_REQUEST values using the provided defaults.
*
* @date 28/2/19
* @since 5.7.13
*
* @param array $args An array of args.
* @return array
*/
function acf_request_args( $args = array() ) {
foreach ( $args as $k => $v ) {
$args[ $k ] = isset( $_REQUEST[ $k ] ) ? $_REQUEST[ $k ] : $args[ $k ];
}
return $args;
}
/**
* Returns a single $_REQUEST arg with fallback.
*
* @date 23/10/20
* @since 5.9.2
*
* @param string $key The property name.
* @param mixed $default The default value to fallback to.
* @return mixed
*/
function acf_request_arg( $name = '', $default = null ) {
return isset( $_REQUEST[ $name ] ) ? $_REQUEST[ $name ] : $default;
}
// Register store.
acf_register_store( 'filters' );
/**
* acf_enable_filter
*
* Enables a filter with the given name.
*
* @date 14/7/16
* @since 5.4.0
*
* @param string name The modifer name.
* @return void
*/
function acf_enable_filter( $name = '' ) {
acf_get_store( 'filters' )->set( $name, true );
}
/**
* acf_disable_filter
*
* Disables a filter with the given name.
*
* @date 14/7/16
* @since 5.4.0
*
* @param string name The modifer name.
* @return void
*/
function acf_disable_filter( $name = '' ) {
acf_get_store( 'filters' )->set( $name, false );
}
/**
* acf_is_filter_enabled
*
* Returns the state of a filter for the given name.
*
* @date 14/7/16
* @since 5.4.0
*
* @param string name The modifer name.
* @return array
*/
function acf_is_filter_enabled( $name = '' ) {
return acf_get_store( 'filters' )->get( $name );
}
/**
* acf_get_filters
*
* Returns an array of filters in their current state.
*
* @date 14/7/16
* @since 5.4.0
*
* @param void
* @return array
*/
function acf_get_filters() {
return acf_get_store( 'filters' )->get();
}
/**
* acf_set_filters
*
* Sets an array of filter states.
*
* @date 14/7/16
* @since 5.4.0
*
* @param array $filters An Array of modifers
* @return array
*/
function acf_set_filters( $filters = array() ) {
acf_get_store( 'filters' )->set( $filters );
}
/**
* acf_disable_filters
*
* Disables all filters and returns the previous state.
*
* @date 14/7/16
* @since 5.4.0
*
* @param void
* @return array
*/
function acf_disable_filters() {
// Get state.
$prev_state = acf_get_filters();
// Set all modifers as false.
acf_set_filters( array_map( '__return_false', $prev_state ) );
// Return prev state.
return $prev_state;
}
/**
* acf_enable_filters
*
* Enables all or an array of specific filters and returns the previous state.
*
* @date 14/7/16
* @since 5.4.0
*
* @param array $filters An Array of modifers
* @return array
*/
function acf_enable_filters( $filters = array() ) {
// Get state.
$prev_state = acf_get_filters();
// Allow specific filters to be enabled.
if ( $filters ) {
acf_set_filters( $filters );
// Set all modifers as true.
} else {
acf_set_filters( array_map( '__return_true', $prev_state ) );
}
// Return prev state.
return $prev_state;
}
/**
* acf_idval
*
* Parses the provided value for an ID.
*
* @date 29/3/19
* @since 5.7.14
*
* @param mixed $value A value to parse.
* @return int
*/
function acf_idval( $value ) {
// Check if value is numeric.
if ( is_numeric( $value ) ) {
return (int) $value;
// Check if value is array.
} elseif ( is_array( $value ) ) {
return (int) isset( $value['ID'] ) ? $value['ID'] : 0;
// Check if value is object.
} elseif ( is_object( $value ) ) {
return (int) isset( $value->ID ) ? $value->ID : 0;
}
// Return default.
return 0;
}
/**
* acf_maybe_idval
*
* Checks value for potential id value.
*
* @date 6/4/19
* @since 5.7.14
*
* @param mixed $value A value to parse.
* @return mixed
*/
function acf_maybe_idval( $value ) {
if ( $id = acf_idval( $value ) ) {
return $id;
}
return $value;
}
/**
* Convert any numeric strings into their equivalent numeric type. This function will
* work with both single values and arrays.
*
* @param mixed $value Either a single value or an array of values.
* @return mixed
*/
function acf_format_numerics( $value ) {
if ( is_array( $value ) ) {
return array_map(
function ( $v ) {
return is_numeric( $v ) ? $v + 0 : $v;
},
$value
);
}
return is_numeric( $value ) ? $value + 0 : $value;
}
/**
* acf_numval
*
* Casts the provided value as eiter an int or float using a simple hack.
*
* @date 11/4/19
* @since 5.7.14
*
* @param mixed $value A value to parse.
* @return (int|float)
*/
function acf_numval( $value ) {
return ( intval( $value ) == floatval( $value ) ) ? intval( $value ) : floatval( $value );
}
/**
* acf_idify
*
* Returns an id attribute friendly string.
*
* @date 24/12/17
* @since 5.6.5
*
* @param string $str The string to convert.
* @return string
*/
function acf_idify( $str = '' ) {
return str_replace( array( '][', '[', ']' ), array( '-', '-', '' ), strtolower( $str ) );
}
/**
* Returns a slug friendly string.
*
* @date 24/12/17
* @since 5.6.5
*
* @param string $str The string to convert.
* @param string $glue The glue between each slug piece.
* @return string
*/
function acf_slugify( $str = '', $glue = '-' ) {
$raw = $str;
$slug = str_replace( array( '_', '-', '/', ' ' ), $glue, strtolower( remove_accents( $raw ) ) );
$slug = preg_replace( "/[^A-Za-z0-9" . preg_quote( $glue ) . "]/", '', $slug );
/**
* Filters the slug created by acf_slugify().
*
* @since 5.11.4
*
* @param string $slug The newly created slug.
* @param string $raw The original string.
* @param string $glue The separator used to join the string into a slug.
*/
return apply_filters( 'acf/slugify', $slug, $raw, $glue );
}
/**
* Returns a string with correct full stop punctuation.
*
* @date 12/7/19
* @since 5.8.2
*
* @param string $str The string to format.
* @return string
*/
function acf_punctify( $str = '' ) {
if ( substr( trim( strip_tags( $str ) ), -1 ) !== '.' ) {
return trim( $str ) . '.';
}
return trim( $str );
}
/**
* acf_did
*
* Returns true if ACF already did an event.
*
* @date 30/8/19
* @since 5.8.1
*
* @param string $name The name of the event.
* @return bool
*/
function acf_did( $name ) {
// Return true if already did the event (preventing event).
if ( acf_get_data( "acf_did_$name" ) ) {
return true;
// Otherwise, update store and return false (alowing event).
} else {
acf_set_data( "acf_did_$name", true );
return false;
}
}
/**
* Returns the length of a string that has been submitted via $_POST.
*
* Uses the following process:
* 1. Unslash the string because posted values will be slashed.
* 2. Decode special characters because wp_kses() will normalize entities.
* 3. Treat line-breaks as a single character instead of two.
* 4. Use mb_strlen() to accomodate special characters.
*
* @date 04/06/2020
* @since 5.9.0
*
* @param string $str The string to review.
* @return int
*/
function acf_strlen( $str ) {
return mb_strlen( str_replace( "\r\n", "\n", wp_specialchars_decode( wp_unslash( $str ) ) ) );
}
/**
* Returns a value with default fallback.
*
* @date 6/4/20
* @since 5.9.0
*
* @param mixed $value The value.
* @param mixed $default_value The default value.
* @return mixed
*/
function acf_with_default( $value, $default_value ) {
return $value ? $value : $default_value;
}
/**
* Returns the current priority of a running action.
*
* @date 14/07/2020
* @since 5.9.0
*
* @param string $action The action name.
* @return int|bool
*/
function acf_doing_action( $action ) {
global $wp_filter;
if ( isset( $wp_filter[ $action ] ) ) {
return $wp_filter[ $action ]->current_priority();
}
return false;
}
/**
* Returns the current URL.
*
* @date 23/01/2015
* @since 5.1.5
*
* @param void
* @return string
*/
function acf_get_current_url() {
// Ensure props exist to avoid PHP Notice during CLI commands.
if ( isset( $_SERVER['HTTP_HOST'], $_SERVER['REQUEST_URI'] ) ) {
return ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
}
return '';
}
Zerion Mini Shell 1.0