339 lines
11 KiB
PHP
339 lines
11 KiB
PHP
<?php if ( ! defined( 'ABSPATH' ) ) exit;
|
|
|
|
/**
|
|
* Class WPN_Helper
|
|
*
|
|
* The WP Ninjas Static Helper Class
|
|
*
|
|
* Provides additional helper functionality to WordPress helper functions.
|
|
*/
|
|
final class WPN_Helper
|
|
{
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function addslashes( $value )
|
|
{
|
|
$value = is_array($value) ?
|
|
array_map(array( 'self', 'addslashes' ), $value) :
|
|
addslashes($value);
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $input
|
|
* @return array|string
|
|
*/
|
|
public static function utf8_encode( $input ){
|
|
if ( is_array( $input ) ) {
|
|
return array_map( array( 'self', 'utf8_encode' ), $input );
|
|
} elseif ( function_exists( 'utf8_encode' ) ) {
|
|
return utf8_encode( $input );
|
|
} else {
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $input
|
|
* @return array|string
|
|
*/
|
|
public static function utf8_decode( $input ){
|
|
if ( is_array( $input ) ) {
|
|
return array_map( array( 'self', 'utf8_decode' ), $input );
|
|
} elseif ( function_exists( 'utf8_decode' ) ) {
|
|
return utf8_decode( $input );
|
|
} else {
|
|
return $input;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Function to clean json data before json_decode.
|
|
* @since 3.2
|
|
* @param $input String
|
|
* @return String
|
|
*/
|
|
public static function json_cleanup( $input ) {
|
|
|
|
/*
|
|
* Remove any unwated (corrupted?) characters from either side of our object.
|
|
*/
|
|
$l_trim = strpos( $input, '{' );
|
|
$r_trim = strrpos( $input, '}' ) - $l_trim + 1;
|
|
return substr( $input, $l_trim, $r_trim );
|
|
}
|
|
|
|
/**
|
|
* @param $search
|
|
* @param $replace
|
|
* @param $subject
|
|
* @return mixed
|
|
*/
|
|
public static function str_replace( $search, $replace, $subject ){
|
|
if( is_array( $subject ) ){
|
|
foreach( $subject as &$oneSubject )
|
|
$oneSubject = WPN_Helper::str_replace($search, $replace, $oneSubject);
|
|
unset($oneSubject);
|
|
return $subject;
|
|
} else {
|
|
return str_replace($search, $replace, $subject);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @param int $flag
|
|
* @return array|string
|
|
*/
|
|
public static function html_entity_decode( $value, $flag = ENT_COMPAT ){
|
|
$value = is_array($value) ?
|
|
array_map( array( 'self', 'html_entity_decode' ), $value) :
|
|
html_entity_decode( $value, $flag );
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function htmlspecialchars( $value ){
|
|
$value = is_array($value) ?
|
|
array_map( array( 'self', 'htmlspecialchars' ), $value) :
|
|
htmlspecialchars( $value );
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function stripslashes( $value ){
|
|
$value = is_array($value) ?
|
|
array_map( array( 'self', 'stripslashes' ), $value) :
|
|
stripslashes($value);
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function esc_html( $value )
|
|
{
|
|
$value = is_array($value) ?
|
|
array_map( array( 'self', 'esc_html' ), $value) :
|
|
esc_html($value);
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function kses_post( $value )
|
|
{
|
|
$value = is_array( $value ) ?
|
|
array_map( array( 'self', 'kses_post' ), $value ) :
|
|
wp_kses_post($value);
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* @param $value
|
|
* @return array|string
|
|
*/
|
|
public static function strip_tags( $value )
|
|
{
|
|
$value = is_array( $value ) ?
|
|
array_map( array( 'self', 'strip_tags' ), $value ) :
|
|
strip_tags( $value );
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* String to Bytes
|
|
*
|
|
* Converts PHP settings from a string to bytes.
|
|
*
|
|
* @param $size
|
|
* @return float
|
|
*/
|
|
public static function string_to_bytes( $size )
|
|
{
|
|
// Remove the non-unit characters from the size.
|
|
$unit = preg_replace('/[^bkmgtpezy]/i', '', $size);
|
|
|
|
// Remove the non-numeric characters from the size.
|
|
$size = preg_replace('/[^0-9\.]/', '', $size);
|
|
|
|
if ( $unit && is_array( $unit ) ) {
|
|
// Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
|
|
$size *= pow( 1024, stripos( 'bkmgtpezy', $unit[0] ) );
|
|
}
|
|
|
|
return round($size);
|
|
}
|
|
|
|
public static function str_putcsv( $array, $delimiter = ',', $enclosure = '"', $terminator = "\n" ) {
|
|
// First convert associative array to numeric indexed array
|
|
$workArray = array();
|
|
foreach ($array as $key => $value) {
|
|
$workArray[] = $value;
|
|
}
|
|
|
|
$returnString = ''; # Initialize return string
|
|
$arraySize = count( $workArray ); # Get size of array
|
|
|
|
for ( $i=0; $i<$arraySize; $i++ ) {
|
|
// Nested array, process nest item
|
|
if ( is_array( $workArray[$i] ) ) {
|
|
$returnString .= self::str_putcsv( $workArray[$i], $delimiter, $enclosure, $terminator );
|
|
} else {
|
|
switch ( gettype( $workArray[$i] ) ) {
|
|
// Manually set some strings
|
|
case "NULL": $_spFormat = ''; break;
|
|
case "boolean": $_spFormat = ($workArray[$i] == true) ? 'true': 'false'; break;
|
|
// Make sure sprintf has a good datatype to work with
|
|
case "integer": $_spFormat = '%i'; break;
|
|
case "double": $_spFormat = '%0.2f'; break;
|
|
case "string": $_spFormat = '%s'; $workArray[$i] = str_replace("$enclosure", "$enclosure$enclosure", $workArray[$i]); break;
|
|
// Unknown or invalid items for a csv - note: the datatype of array is already handled above, assuming the data is nested
|
|
case "object":
|
|
case "resource":
|
|
default: $_spFormat = ''; break;
|
|
}
|
|
$returnString .= sprintf('%2$s'.$_spFormat.'%2$s', $workArray[$i], $enclosure);
|
|
$returnString .= ($i < ($arraySize-1)) ? $delimiter : $terminator;
|
|
}
|
|
}
|
|
// Done the workload, return the output information
|
|
return $returnString;
|
|
}
|
|
|
|
public static function get_query_string( $key, $default = FALSE )
|
|
{
|
|
if( ! isset( $_GET[ $key ] ) ) return $default;
|
|
|
|
$value = self::htmlspecialchars( $_GET[ $key ] );
|
|
|
|
if( is_array( $value ) ) $value = reset( $value );
|
|
|
|
return $value;
|
|
}
|
|
|
|
public static function sanitize_text_field( $data )
|
|
{
|
|
if( is_array( $data ) ){
|
|
return array_map( array( 'self', 'sanitize_text_field' ), $data );
|
|
}
|
|
return sanitize_text_field( $data );
|
|
}
|
|
|
|
public static function get_plugin_version( $plugin )
|
|
{
|
|
$plugins = get_plugins();
|
|
|
|
if( ! isset( $plugins[ $plugin ] ) ) return false;
|
|
|
|
return $plugins[ $plugin ][ 'Version' ];
|
|
}
|
|
|
|
public static function is_func_disabled( $function )
|
|
{
|
|
if( ! function_exists( $function ) ) return true;
|
|
$disabled = explode( ',', ini_get( 'disable_functions' ) );
|
|
return in_array( $function, $disabled );
|
|
}
|
|
|
|
public static function maybe_unserialize( $original )
|
|
{
|
|
// Repalcement for https://codex.wordpress.org/Function_Reference/maybe_unserialize
|
|
if ( is_serialized( $original ) ){
|
|
// Ported with php5.2 support from https://magp.ie/2014/08/13/php-unserialize-string-after-non-utf8-characters-stripped-out/
|
|
$parsed = preg_replace_callback( '!s:(\d+):"(.*?)";!s', array( 'self', 'parse_utf8_serialized' ), $original );
|
|
$parsed = @unserialize( $parsed );
|
|
|
|
return ( $parsed ) ? $parsed : unserialize( $original ); // Fallback if parse error.
|
|
}
|
|
return $original;
|
|
}
|
|
|
|
/**
|
|
* Function to fetch our cache from the upgrades table (if it exists there).
|
|
*
|
|
* @param $id (int) The form ID.
|
|
*
|
|
* @since 3.3.7
|
|
*/
|
|
public static function get_nf_cache( $id ) {
|
|
// See if we have the data in our table already.
|
|
global $wpdb;
|
|
$sql = "SELECT cache FROM `{$wpdb->prefix}nf3_upgrades` WHERE id = " . intval( $id );
|
|
$result = $wpdb->get_results( $sql, 'ARRAY_A' );
|
|
// If so...
|
|
if ( ! empty( $result ) ) {
|
|
// Unserialize the result.
|
|
$value = WPN_Helper::maybe_unserialize( $result[ 0 ][ 'cache' ] );
|
|
// Return it.
|
|
return $value;
|
|
} // Otherwise... (We don't have the data.)
|
|
else {
|
|
// Get it from the options table.
|
|
return get_option( 'nf_form_' . $id );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Function to insert or update our cache in the upgrades table (if it exists).
|
|
*
|
|
* @param $id (int) The form ID.
|
|
* @param $data (string) The form cache.
|
|
*
|
|
* @since 3.3.7
|
|
*/
|
|
public static function update_nf_cache( $id, $data ) {
|
|
// Define our current stage here for use as we run various upgrades.
|
|
$CURRENT_STAGE = 1;
|
|
// Serialize our data.
|
|
$cache = serialize( $data );
|
|
global $wpdb;
|
|
// See if we've already got a record.
|
|
$sql = "SELECT id FROM `{$wpdb->prefix}nf3_upgrades` WHERE id = " . intval( $id );
|
|
$result = $wpdb->get_results( $sql, 'ARRAY_A' );
|
|
// If we don't already have the data...
|
|
if ( empty( $result ) ) {
|
|
// Insert it.
|
|
$sql = $wpdb->prepare( "INSERT INTO `{$wpdb->prefix}nf3_upgrades` (id, cache, stage) VALUES (%d, %s, %s)", intval( $id ), $cache, $CURRENT_STAGE);
|
|
} // Otherwise... (We do have the data.)
|
|
else {
|
|
// Update the existing record.
|
|
$sql = $wpdb->prepare( "UPDATE `{$wpdb->prefix}nf3_upgrades` SET cache = %s WHERE id = %d", $cache, intval( $id ) ) ;
|
|
}
|
|
$wpdb->query( $sql );
|
|
}
|
|
|
|
/**
|
|
* Function to delete our cache.
|
|
*
|
|
* @param $id (int) The form ID.
|
|
*
|
|
* @since 3.3.7
|
|
*/
|
|
public static function delete_nf_cache( $id ) {
|
|
global $wpdb;
|
|
$sql = "DELETE FROM `{$wpdb->prefix}nf3_upgrades` WHERE id = " . intval( $id );
|
|
$wpdb->query( $sql );
|
|
delete_option( 'nf_form_' . intval( $id ) );
|
|
}
|
|
|
|
private static function parse_utf8_serialized( $matches )
|
|
{
|
|
if ( isset( $matches[2] ) ){
|
|
return 's:'.strlen($matches[2]).':"'.$matches[2].'";';
|
|
}
|
|
}
|
|
|
|
} // End Class WPN_Helper
|