Parse error: syntax error, unexpected T_FUNCTION in /home2/prem/public_html/

Below is line 1 to Line 44 of the .php code i got from my hostgator cpanel file manager after following some instructions online, just in case this may help.

<?php
/**
* zerif Theme Customizer
*
* @package zerif
*/
/**
* Add postMessage support for site title and description for the Theme Customizer.
*
* @param WP_Customize_Manager $wp_customize Theme Customizer object.
*/
function zerif_customize_register( $wp_customize ) {

class Zerif_Customizer_Number_Control extends WP_Customize_Control {
public $type = ‘number’;
public function render_content() {
?>
<label>
<span class=”customize-control-title”><?php echo esc_html( $this->label ); ?></span>
<input type=”number” <?php $this->link(); ?> value=”<?php echo intval( $this->value() ); ?>” />
</label>
<?php
}
}

$wp_customize->get_setting( ‘blogname’ )->transport = ‘postMessage’;
$wp_customize->get_setting( ‘blogdescription’ )->transport = ‘postMessage’;
$wp_customize->get_setting( ‘header_textcolor’ )->transport = ‘postMessage’;
$wp_customize->get_setting( ‘custom_logo’ )->transport = ‘postMessage’;
//$wp_customize->remove_section(‘colors’);

if ( isset( $wp_customize->selective_refresh ) ) {
$wp_customize->selective_refresh->add_partial( ‘custom_logo’, array(
‘selector’ => ‘.navbar-brand’,
‘settings’ => ‘custom_logo’,
‘render_callback’ => ‘zerif_custom_logo_callback’,
));
$wp_customize->selective_refresh->add_partial( ‘zerif_bigtitle_title_2’, array(
‘selector’ => ‘.intro-text’,
‘settings’ => ‘zerif_bigtitle_title_2’,
‘render_callback’ => function() {
return get_theme_mod(‘zerif_bigtitle_title_2’);
},
) );