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/WordPress

install_plugins_upload()

Upload from zip

Source

File: wp-admin/includes/plugin-install.php 

function install_plugins_upload() {
	?>
<div class="upload-plugin">
	<p class="install-help"><?php _e( 'If you have a plugin in a .zip format, you may install or update it by uploading it here.' ); ?></p>
	<form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo self_admin_url( 'update.php?action=upload-plugin' ); ?>">
		<?php wp_nonce_field( 'plugin-upload' ); ?>
		<label class="screen-reader-text" for="pluginzip"><?php _e( 'Plugin zip file' ); ?></label>
		<input type="file" id="pluginzip" name="pluginzip" accept=".zip" />
		<?php submit_button( __( 'Install Now' ), '', 'install-plugin-submit', false ); ?>
	</form>
</div>
	<?php
}

Uses

Uses Description
wp-admin/includes/template.php: submit_button()

Echoes a submit button, with provided text and appropriate class(es).
wp-includes/l10n.php: _e()

Display translated text.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/functions.php: wp_nonce_field()

Retrieve or display nonce hidden field for forms.
wp-includes/link-template.php: self_admin_url()

Retrieves the URL to the admin area for either the current site or the network depending on context.

Changelog

Version Description
2.8.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/install_plugins_upload