concrete/src/Cache/OpCache.php
public static function clear($file = null)
    {
        if (static::hasEAccelerator()) {
            if (function_exists('eeaccelerator_clear')) {
                $paths = @ini_get('eaccelerator.allowed_admin_path');
                if (is_string($paths) && ($paths !== '')) {
                    $myPath = str_replace(DIRECTORY_SEPARATOR, '/', __DIR__);
                    foreach (explode(PATH_SEPARATOR, $paths) as $path) {
                        $path = str_replace(DIRECTORY_SEPARATOR, '/', $path);
                        if ($path !== '') {
                            $path = rtrim($path, '/');
                            if (($path === $myPath) || (strpos($myPath, $path.'/') === 0)) {
                                @eeaccelerator_clear();
                                break;
                            }
                        }
                    }
                }
            }
        }
        if (static::hasAPC()) {
            if (function_exists('apc_clear_cache')) {
                @apc_clear_cache('system');
            }
        }
        if (static::hasXCache()) {
            if (function_exists('xcache_clear_cache') && ini_get('xcache.admin.user') && ini_get('xcache.admin.pass')) {
                @xcache_clear_cache(XC_TYPE_PHP, 0);
            }
        }
        if (static::hasWinCache()) {
            if (function_exists('wincache_refresh_if_changed')) {
                if ($file) {
                    @wincache_refresh_if_changed((array) $file);
                } else {
                    @wincache_refresh_if_changed();
                }
            }
        }
        if (static::hasZendOpCache()) {
            if ($file && function_exists('opcache_invalidate')) {
                @opcache_invalidate($file, true);
            } elseif (function_exists('opcache_reset')) {
                @opcache_reset();
            }
        }
    }
public static function clear($file = null)
    {
        if (static::hasEAccelerator()) {
            if (function_exists('eeaccelerator_clear')) {
                $paths = @ini_get('eaccelerator.allowed_admin_path');
                if (is_string($paths) && ($paths !== '')) {
                    $myPath = str_replace(DIRECTORY_SEPARATOR, '/', __DIR__);
                    foreach (explode(PATH_SEPARATOR, $paths) as $path) {
                        $path = str_replace(DIRECTORY_SEPARATOR, '/', $path);
                        if ($path !== '') {
                            $path = rtrim($path, '/');
                            if (($path === $myPath) || (strpos($myPath, $path.'/') === 0)) {
                                @eeaccelerator_clear();
                                break;
                            }
                        }
                    }
                }
            }
        }
        if (static::hasAPC()) {
            if (function_exists('apc_clear_cache')) {
                @apc_clear_cache('system');
            }
        }
        if (static::hasXCache()) {
            if (function_exists('xcache_clear_cache') && ini_get('xcache.admin.user') && ini_get('xcache.admin.pass')) {
                @xcache_clear_cache(XC_TYPE_PHP, 0);
            }
        }
        if (static::hasWinCache()) {
            if (function_exists('wincache_refresh_if_changed')) {
                if ($file) {
                    @wincache_refresh_if_changed((array) $file);
                } else {
                    @wincache_refresh_if_changed();
                }
            }
        }
        if (static::hasZendOpCache()) {
            if ($file && function_exists('opcache_invalidate')) {
                @opcache_invalidate($file, true);
            } elseif (function_exists('opcache_reset')) {
                @opcache_reset();
            }
        }
    }
public static function clear ( $ file = null ) { if ( static :: hasEAccelerator ( ) ) { if ( function_exists ( 'eeaccelerator_clear' ) ) { $ paths = @ ini_get ( 'eaccelerator.allowed_admin_path' ) ; if ( is_string ( $ paths ) && ( $ paths !== '' ) ) { $ myPath = str_replace ( DIRECTORY_SEPARATOR , '/' , __DIR__ ) ; foreach ( explode ( PATH_SEPARATOR , $ paths ) as $ path ) { $ path = str_replace ( DIRECTORY_SEPARATOR , '/' , $ path ) ; if ( $ path !== '' ) { $ path = rtrim ( $ path , '/' ) ; if ( ( $ path === $ myPath ) || ( strpos ( $ myPath , $ path . '/' ) === 0 ) ) { @ eeaccelerator_clear ( ) ; break ; } } } } } } if ( static :: hasAPC ( ) ) { if ( function_exists ( 'apc_clear_cache' ) ) { @ apc_clear_cache ( 'system' ) ; } } if ( static :: hasXCache ( ) ) { if ( function_exists ( 'xcache_clear_cache' ) && ini_get ( 'xcache.admin.user' ) && ini_get ( 'xcache.admin.pass' ) ) { @ xcache_clear_cache ( XC_TYPE_PHP , 0 ) ; } } if ( static :: hasWinCache ( ) ) { if ( function_exists ( 'wincache_refresh_if_changed' ) ) { if ( $ file ) { @ wincache_refresh_if_changed ( ( array ) $ file ) ; } else { @ wincache_refresh_if_changed ( ) ; } } } if ( static :: hasZendOpCache ( ) ) { if ( $ file && function_exists ( 'opcache_invalidate' ) ) { @ opcache_invalidate ( $ file , true ) ; } elseif ( function_exists ( 'opcache_reset' ) ) { @ opcache_reset ( ) ; } } }
Clear the opcache.

@param string|null $file If it's specified, we'll try to clear the cache only for this file
Clear the opcache .