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b78b4965e2
git-svn-id: http://core.svn.wordpress.org/trunk@23837 1a063a9b-81f0-0310-95a4-ce76da25c4cd
58 lines
2.0 KiB
PHP
58 lines
2.0 KiB
PHP
<?php
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/**
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* Prevents Twenty Thirteen from running on WordPress versions prior to 3.6.
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*
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* Twenty Thirteen is not meant to be backwards compatible, since it relies on
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* a lot of new functions and markup changes that were introduced in 3.6.
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*
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* @package WordPress
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* @subpackage Twenty_Thirteen
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* @since Twenty Thirteen 1.0
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*/
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/**
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* Prevent switching to Twenty Thirteen on old versions of WordPress. Switches
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* to the previously activated theme or the default theme.
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*
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* @since Twenty Thirteen 1.0
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*
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* @param string $theme_name
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* @param WP_Theme $theme
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* @return void
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*/
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function twentythirteen_switch_theme( $theme_name, $theme ) {
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if ( 'twentythirteen' != $theme->template )
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switch_theme( $theme->template, $theme->stylesheet );
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elseif ( 'twentythirteen' != WP_DEFAULT_THEME )
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switch_theme( WP_DEFAULT_THEME );
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unset( $_GET['activated'] );
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add_action( 'admin_notices', 'twentythirteen_upgrade_notice' );
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}
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add_action( 'after_switch_theme', 'twentythirteen_switch_theme', 10, 2 );
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/**
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* Prints an update nag after an unsuccessful attempt to switch to
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* Twenty Thirteen on WordPress versions prior to 3.6.
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*
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* @since Twenty Thirteen 1.0
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*
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* @return void
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*/
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function twentythirteen_upgrade_notice() {
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$message = sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentythirteen' ), $GLOBALS['wp_version'] );
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printf( '<div class="error"><p>%s</p></div>', $message );
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}
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/**
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* Prevents the Customizer from being loaded on WordPress versions prior to 3.6.
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*
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* @since Twenty Thirteen 1.0
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*
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* @return void
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*/
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function twentythirteen_customize() {
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wp_die( sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'twentythirteen' ), $GLOBALS['wp_version'] ) . sprintf( ' <a href="javascript:history.go(-1);">%s</a>', __( 'Go back.', 'twentythirteen' ) ) );
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}
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add_action( 'load-customize.php', 'twentythirteen_customize' );
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