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<?php |
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/** |
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* Surge Installer |
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* |
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* This file runs when Surge needs to be installed. Its main purpose is to copy |
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* the advanced-cache.php loader and add the WP_CACHE constant to wp-config.php. |
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* |
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* @package Surge |
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*/ |
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|
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namespace Surge; |
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|
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include_once( __DIR__ . '/common.php' ); |
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|
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// Remove old advanced-cache.php. |
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if ( file_exists( WP_CONTENT_DIR . '/advanced-cache.php' ) ) { |
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unlink( WP_CONTENT_DIR . '/advanced-cache.php' ); |
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} |
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|
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// Copy our own advanced-cache.php. |
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$ret = copy( __DIR__ . '/advanced-cache.php', WP_CONTENT_DIR . '/advanced-cache.php' ); |
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if ( ! $ret ) { |
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update_option( 'surge_installed', 3 ); |
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return; |
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} |
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|
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// Create the cache directory |
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wp_mkdir_p( CACHE_DIR ); |
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|
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// Nothing to do if WP_CACHE is already on or forced skip. |
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if ( defined( 'WP_CACHE' ) && WP_CACHE || apply_filters( 'surge_skip_config_update', false ) ) { |
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update_option( 'surge_installed', 1 ); |
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return; |
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} |
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|
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// Fetch wp-config.php contents. |
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$config_path = ABSPATH . 'wp-config.php'; |
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if ( ! file_exists( ABSPATH . 'wp-config.php' ) |
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&& @file_exists( dirname( ABSPATH ) . '/wp-config.php' ) |
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&& ! @file_exists( dirname( ABSPATH ) . '/wp-settings.php' ) |
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) { |
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$config_path = dirname( ABSPATH ) . '/wp-config.php'; |
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} |
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|
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$config = file_get_contents( $config_path ); |
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|
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// Remove existing WP_CACHE definitions. |
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// Some regex inherited from https://github.com/wp-cli/wp-config-transformer/ |
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$pattern = '#(?<=^|;|<\?php\s|<\?\s)(\s*?)(\h*define\s*\(\s*[\'"](WP_CACHE)[\'"]\s*)' |
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. '(,\s*([\'"].*?[\'"]|.*?)\s*)((?:,\s*(?:true|false)\s*)?\)\s*;\s)#ms'; |
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|
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$config = preg_replace( $pattern, '', $config ); |
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|
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// Add a WP_CACHE to wp-config.php. |
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$anchor = "/* That's all, stop editing!"; |
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if ( false !== strpos( $config, $anchor ) ) { |
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$config = str_replace( $anchor, "define( 'WP_CACHE', true );\n\n" . $anchor, $config ); |
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} elseif ( false !== strpos( $config, '<?php' ) ) { |
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$config = preg_replace( '#^<\?php\s.*#', "$0\ndefine( 'WP_CACHE', true );\n", $config ); |
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} |
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|
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// Write modified wp-config.php. |
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$bytes = file_put_contents( $config_path, $config ); |
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update_option( 'surge_installed', $bytes ? 1 : 2 ); |
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|
