Implode multi-field items

@return null|string
498300
protected function implodeOptions( $method = 'select_option', $default = null )
	{
		$this->args['default'] ?: $this->args['default'] = $default;

		$method = $this->camelCase( $method );

		$method = method_exists( $this, $method )
			? $method
			: 'selectOption';

		$i = 0;

		if( $method === 'singleInput' ) {

			if( !isset( $this->args['options'] ) || empty( $this->args['options'] ))return;

			// hack to make sure unset single checkbox values start at 1 instead of 0
			if( key( $this->args['options'] ) === 0 ) {
				$options = ['1' => $this->args['options'][0]];
				$this->args['options'] = $options;
			}

			return $this->singleInput();
		}

		return array_reduce( array_keys( $this->args['options'] ), function( $carry, $key ) use ( &$i, $method ) {
			return $carry .= $this->$method( $key, $i++ );
		});
	}
378654
function getContents($joinChar = '')
    {
        $contents = array();
        foreach($this->subfields as $subfield) {
            $contents[] = $subfield->getData();
        }
        return implode($joinChar, $contents);
    }
1135772
public static function implodeDelim($values, $char = ',')
    {
        if (\is_array($char)) {  // params were originally swapped
            list($values, $char) = array($char, $values);
        }
        if (empty($values)) {
            return '';
        }
        $str = '';
        foreach ($values as $k => $v) {
            if ($char == ',') {
                $v = \str_replace('"', '""', $v);
            }
            if (\preg_match('/['.$char.'\n"]/', $v)) {
                $v = '"'.$v.'"';
            }
            $values[$k] = $v;
        }
        $str = \implode($char, $values);
        return $str;
    }
567908
public function render()
    {
        $html = [];

        foreach ($this->all() as $key => $value) {
            if (is_null($value)) {
                continue;
            }

            if (is_numeric($key)) {
                $key = $value;
            }

            $html[] = $key . '="' . e($value) . '"';
        }

        return implode(' ', array_filter($html));
    }
42856
public function combine() {

		if(count($this -> values) > 0) {

			if(null !== $this -> glue) {
				return implode($this -> glue, $this -> values);
			}

			return vsprintf($this -> format, $this -> values);
		}
	}
341525
public function toString()
    {
        $adapter = $this->getAdapter();
        $prefix  = $adapter->getTablePrefix();
        $query   = $this->type;

        if($this->table) {
            $query .= ' INTO '.$adapter->quoteIdentifier($prefix.$this->table);
        }

        if($this->columns) {
            $query .= '('.implode(', ', array_map(array($adapter, 'quoteIdentifier'), $this->columns)).')';
        }

        if($this->values)
        {
            if(!$this->values instanceof KDatabaseQuerySelect)
            {
                $query .= ' VALUES'.PHP_EOL;

                $values = array();
                foreach ($this->values as $row)
                {
                    $data = array();
                    foreach($row as $column) {
                        $data[] = $adapter->quoteValue(is_object($column) ? (string) $column : $column);
                    }

                    $values[] = '('.implode(', ', $data).')';
                }

                $query .= implode(', '.PHP_EOL, $values);
            }
            else $query .= ' '.$this->values;
        }

        if($this->duplicate_key_values && $this->type === 'INSERT')
        {
            $values = array();
            foreach($this->duplicate_key_values as $value) {
                $values[] = ' '. $adapter->quoteIdentifier($value);
            }

            $update_clause = implode(', ', $values);

            if($this->_parameters) {
                $update_clause = $this->_replaceParams($update_clause);
            }

            $query .= ' ON DUPLICATE KEY UPDATE '.$update_clause;
        }

        return $query;
    }
578689
public function maybeImplode( array $attributes, $implode = true )
	{
		if( !$implode || $implode !== 'implode' ) {
			return $attributes;
		}
		$results = [];
		foreach( $attributes as $key => $value ) {
			// if data attributes, use single quotes in case of json encoded values
			$quotes = false !== stripos( $key, 'data-' ) ? "'" : '"';
			if( is_array( $value )) {
				$value = json_encode( $value );
				$quotes = "'";
			}
			$results[] = is_string( $key )
				? sprintf( '%1$s=%3$s%2$s%3$s', $key, $value, $quotes )
				: $value;
		}
		return implode( ' ', $results );
	}
1064018
public function getSortString() {
    $sort = $this->getSort();
    $sortString = array();
    if (is_array($sort) && !empty($sort)) {
      foreach ($sort as $k => $v) {
        $sortString[] = $v . $k;
      }
    }
    return implode(";", $sortString);
  }
1099387
public function getQueryString()
    {
        $parameters = $this->query->all();
        array_walk($parameters,
            function (&$value, $key)
            {
                $value = $key . '=' . $value;
            }
        );
        return implode('&', $parameters);
    }
306197
protected function fields()
    {
        if (isset($this->fillables)) {
            $this->output = (sizeof($this->fillables) > 0) ? implode($this->fillables, ',') : '*';
        } else {
            $this->output = '*';
        }

        return $this->output;
    }
370431
public function formFieldCssClass()
    {
        if (empty($this->formFieldCssClass)) {
            $this->formFieldCssClass = $this->defaultFormFieldCssClasses();
        }

        return implode(' ', $this->formFieldCssClass);
    }
37026
public function serialize()
    {
        $text = array();
        foreach ($this->parameters as $k => $v) {
            $text[] = $k . ': ' . $v;
        }
        foreach ($this->variables as $k => $v) {
            $text[] = 'Set: ' . $k . '=' . $v;
        }
        return implode("\n", $text);
    }
301670
public function toString()
    {
        $parts = [];

        if ($this->operand) {
            $parts[] = (string)$this->operand;
        }

        if ($this->constraint) {
            $parts[] = (string)$this->constraint;
        }

        return implode(' ', $parts);
    }
194905
public function toString(): string
    {
        $parts = array_map(
            function (AttributeTypeAndValue $tv) {
                return $tv->toString();
            }, $this->_attribs);
        return implode("+", $parts);
    }
580137
public function passive($field = null) {
		if (!$field) {
			$field = $this->getConfig('dummyField') ?: 'email_homepage';
		}
		$dummyFields = (array)$field;

		$html = [];
		foreach ($dummyFields as $dummyField) {
			$html[] = '<div style="display: none">' . $this->Form->control($dummyField, ['value' => '']) . '</div>';
		}
		return implode(PHP_EOL, $html);
	}
522208
public function toString()
    {
        $stringAttr = array();

        foreach ($this->attributes as $name => $value) {
            $stringAttr[] = $name.'='.$this->escape($value);
        }

        return implode(',', $stringAttr);
    }
1256029
public function getFullName(): string
    {
        $list = [
            $this->getTitle(),
            $this->getFirstName(),
            $this->getMiddleName(),
            $this->getLastName(),
        ];
        return implode(' ', array_filter($list));
    }