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Api settings image upload (1 post)

  1. najubudeen
    Member
    Posted 1 year ago #

    Hi, I am creating api settings page. I have an logo upload option in page. My problem is, if I click upload button when the file upload field is empty, my option array looks like this a:3:{ s:5:"files";s:5:"Array";s:4:"file";a:1:{s:5:"error";s:21:"No file was uploaded.";}}. I have written my full code below please help somebody.

    <?php
    /*
    Plugin Name:Rough test
    */
    
    //Logo Upload
    
    	add_action('admin_init', 'ld_admin_init');
    	function ld_admin_init() {
    		register_setting( 'ld_options', 'ld_options', 'ld_options_validate' );
    		add_settings_section('ld_main', 'Upload', 'ld_section_text', 'ld');
    		add_settings_field('ld_setting_checkbox', 'Use image', 'ld_setting_checkbox', 'ld', 'ld_main');
    		add_settings_field('ld_setting_string', 'Logo text', 'ld_setting_string', 'ld', 'ld_main');
    		add_settings_field('ld_filename', 'File:', 'ld_setting_filename', 'ld', 'ld_main');
    	}
    
    // add the admin options page
    	add_action('admin_menu', 'ld_admin_add_page');
    	function ld_admin_add_page() {
    		$mypage = add_theme_page('Logo', 'Logo', 'manage_options', 'ld', 'ld_options_page');
    	}
    
    // display the admin options page
    	function ld_options_page() {
    
    	?>
            <div class="wrap">
            <h2>Logo settings</h2>
            <p>You can upload a new logo.</p>
            <form method="post" enctype="multipart/form-data" action="options.php">
            <?php settings_fields('ld_options'); ?>
            <?php do_settings_sections('ld'); ?>
            <p class="submit">
            <input type="submit" name="Submit" class="button-primary" value="<?php esc_attr_e('Save Changes') ?>" />
            </p>
            </form>
    
            </div>
    
    	<?php
    	}
    
    	function ld_section_text() {
    		echo '<input type="hidden" name="ld_options[file]" value="' . serialize( $file ) . '" />';
    		$options = get_option('ld_options');
    		echo '<p>Upload your file here:</p>';
    		if ($file = $options['file']) {
    			//var_dump($file);
    			echo "<img src='{$file['url']}' />";
    		}
    	}
    
    	function ld_setting_filename() {
    		echo '<input type="file" name="ld_filename" size="40" />';
    	}
    
    	function ld_setting_checkbox() {
    		$usetext = get_option('ld_options');
    		if($usetext['chkbox1']) { $checked = ' checked="checked" '; }
    		echo "<input ".$checked." id='plugin_chk1' name='ld_options[chkbox1]' type='checkbox' />";
    	}
    
    	function ld_setting_string() {
    		$logotext = get_option('ld_options');
    		echo "<input id='ld_logo_text' name='ld_options[text_string]' size='40' type='text' value='{$logotext['text_string']}' />";
    	}
    
    	function ld_options_validate( $input ) {
    		// set $newinput to the $input that was POSTed
    		$newinput = $input;
    
    		// update the file field
    		if ($_FILES['ld_filename']) {
    			$overrides = array('test_form' => false);
    			$file = wp_handle_upload($_FILES['ld_filename'], $overrides);
    			$newinput['file'] = $file;
    		} else {
    			$newinput['file'] = maybe_unserialize( $input['file'] );
    		}
    
    		return $newinput;
    	}
    ?>

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