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wp-content/plugins/mailchimp-for-wp/includes/class-field-guesser.php

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+<?php
+
+/**
+ * Class MC4WP_Field_Guesser
+ *
+ * @access private
+ * @ignore
+ */
+class MC4WP_Field_Guesser {
+
+
+	/**
+	 * @var array
+	 */
+	protected $fields;
+
+	/**
+	 * @param array $fields
+	 */
+	public function __construct( array $fields ) {
+		$fields       = array_change_key_case( $fields, CASE_UPPER );
+		$this->fields = $fields;
+	}
+
+	/**
+	 * Get all data which is namespaced with a given namespace
+	 *
+	 * @param string $namespace
+	 *
+	 * @return array
+	 */
+	public function namespaced( $namespace = 'mc4wp-' ) {
+		$prefix = strtoupper( $namespace );
+		$return = array();
+		$length = strlen( $prefix );
+
+		foreach ( $this->fields as $key => $value ) {
+			if ( strpos( $key, $prefix ) === 0 ) {
+				$new_key            = substr( $key, $length );
+				$return[ $new_key ] = $value;
+			}
+		}
+
+		return $return;
+	}
+
+	/**
+	 * Guess values for the following fields
+	 *  - EMAIL
+	 *  - NAME
+	 *  - FNAME
+	 *  - LNAME
+	 *
+	 * @return array
+	 */
+	public function guessed() {
+		$guessed = array();
+
+		foreach ( $this->fields as $field => $value ) {
+
+			// transform value into array to support 1-level arrays
+			$sub_fields = is_array( $value ) ? $value : array( $value );
+
+			foreach ( $sub_fields as $sub_field_value ) {
+
+				// poor man's urldecode, to get Enfold theme's contact element to work.
+				$sub_field_value = str_replace( '%40', '@', $sub_field_value );
+
+				// is this an email value? if so, assume it's the EMAIL field
+				if ( empty( $guessed['EMAIL'] ) && is_string( $sub_field_value ) && is_email( $sub_field_value ) ) {
+					$guessed['EMAIL'] = $sub_field_value;
+					continue 2;
+				}
+
+				// remove special characters from field name
+				$simple_key = str_replace( array( '-', '_', ' ' ), '', $field );
+
+				if ( empty( $guessed['FNAME'] ) && $this->string_contains( $simple_key, array( 'FIRSTNAME', 'FNAME', 'GIVENNAME', 'FORENAME' ) ) ) {
+					// find first name field
+					$guessed['FNAME'] = $sub_field_value;
+				} elseif ( empty( $guessed['LNAME'] ) && $this->string_contains( $simple_key, array( 'LASTNAME', 'LNAME', 'SURNAME', 'FAMILYNAME' ) ) ) {
+					// find last name field
+					$guessed['LNAME'] = $sub_field_value;
+				} elseif ( empty( $guessed['NAME'] ) && $this->string_contains( $simple_key, 'NAME' ) ) {
+					// find name field
+					$guessed['NAME'] = $sub_field_value;
+				}
+			}
+		}
+
+		return $guessed;
+	}
+
+	/**
+	 * @param $methods
+	 *
+	 * @return array
+	 */
+	public function combine( array $methods ) {
+		$combined = array();
+
+		foreach ( $methods as $method ) {
+			if ( method_exists( $this, $method ) ) {
+				$combined = array_merge( $combined, call_user_func( array( $this, $method ) ) );
+			}
+		}
+
+		return $combined;
+	}
+
+	/**
+	 * @param string $haystack
+	 * @param string|array $needles
+	 *
+	 * @return bool
+	 */
+	private function string_contains( $haystack, $needles ) {
+		if ( ! is_array( $needles ) ) {
+			$needles = array( $needles );
+		}
+
+		foreach ( $needles as $needle ) {
+			if ( strpos( $haystack, $needle ) !== false ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}