bool assert (mixed $assertion [, string $description]) - Checks whether 1 assertion is FALSE
assert_options(ASSERT_ACTIVE, true);// Allows the use of assert() function
assert_options(ASSERT_WARNING, false);// in assert No warning is printed on failure
assert_options(ASSERT_BAIL, true);//assert Terminates code execution after failure
assert_options(ASSERT_CALLBACK, 'getMsg');//assert Terminates code execution after failure.
echo ' Start: <br/>';
assert('mysql_query("")');
echo ' Successful test! ';
function getMsg(){
echo ' Error! ';
}mixed assert_options (int $what [, mixed $value]) - Sets various control options for assert(), or queries the current Settings ASSERT_ACTIVE: Whether assert() assertion is enabled, ini configure assert.active, default value 1 ASSERT_WARNING: Whether to generate 1 PHP warning for each failed assertion, ini configure ES30en.warning, default 1 ASSERT_BAIL: Whether execution is aborted if the assertion fails, ini configure assert.bail with the default value 0 ASSERT_QUIET_EVAL: Whether to disable error_reporting when evaluating an assertion expression, ini configure ES45en.quiet_eval, default value 0 ASSERT_CALLBACK: The callback function is called when the assertion fails. ini configured assert.callback
assert_options(ASSERT_ACTIVE, true);// Allows the use of assert() function
assert_options(ASSERT_WARNING, false);// in assert No warning is printed on failure
assert_options(ASSERT_BAIL, true);//assert Terminates code execution after failure
assert_options(ASSERT_CALLBACK, 'getMsg');//assert Terminates code execution after failure.
echo ' Start: <br/>';
assert(is_int(1.2));// The test result is fales
echo ' Successful test! ';
function getMsg(){
echo ' Error! ';
}bool dl(string $library) - Gets the value of the PHP configuration option to load the specified PHP extension
if(!extension_loaded('sqlite')){// Tests whether the specified extension is enabled
$prefix = (PHP_SHLIB_SUFFIX === 'dll') ? 'php_' : '';
dl($prefix . 'sqlite.' . PHP_SHLIB_SUFFIX);
}int gc_collect_cycles() - force collection of all existing garbage cycles void gc_disable (void) - Deactivation of the circular reference collector void gc_enable (void) - Activate the circular reference collector bool gc_enabled (void) - Returns the status of the loop reference counter string get_cfg_var (string $option) — Get the value of the PHP configuration option string get_current_user (void) - Gets the current PHP script owner name array get_defined_constants ([bool $categorize = false]) - Returns an associative array of all constants array get_extension_funcs (string $module_name) - Returns an array of module function names
print_r(get_extension_funcs("xml"));string get_include_path (void) - Gets the current include_path configuration option array get_included_files (void) - returns array with the include and require file names
include 'test1.php';
include_once 'test2.php';
require 'test3.php';
require_once 'test4.php';
$included_files = get_included_files();
foreach ($included_files as $filename){
echo "$filename\n";
}array get_loaded_extensions ([bool $zend_extensions = false]) - returns array for all compiled and loaded module names bool get_magic_quotes_gpc (void) - Gets the configuration option Settings for the current magic_quotes_gpc bool get_magic_quotes_runtime (void) - Gets the activation status of the current magic_quotes_runtime configuration option string getenv (string $varname) - Gets the value of 1 environment variable
$ip = getenv('REMOTE_ADDR');int getlastmod (void) - Gets the time the page was last modified int getmygid (void) - Gets the GID of the current PHP script owner int getmyinode (void) - Gets the inodes of the current script (inode) int getmypid (void) - Gets ID for the PHP process int getmyuid (void) - Gets UID for the PHP script owner array getopt (string $options [, array $longopts]) - Get the options from the command line argument list array getrusage ([int $who = 0]) - Gets the current resource usage array ini_get_all ([string $extension [, bool $details = true]]) — get all configuration options
print_r(ini_get_all("pcre"));
print_r(ini_get_all());string ini_get (string $varname) - Gets the value of 1 configuration option void ini_restore (string $varname) - Restore the default value of the configuration option string ini_set (string $varname, string $newvalue) - Sets the value for 1 configuration option main - Virtual main()int memory_ge
ak_usage ([bool $real_usage = false]) — returns the peak value of int memory_get_usage ([bool $real_usage = false] allocated to PHP memory — Returns the amount of memory allocated to PHP string php_ini_loaded_file (void) - Gets the path to the loaded ES275en.ini file string php_ini_scanned_files (void) - returns a list of.ini files parsed from the additional ini directory string php_sapi_name (void) - Returns the interface type between the web server and PHP string php_uname ([string $mode = “a”]) - Returns information about the system on which PHP is running ‘a’ : This is the default all. ’s’ : Operating system name ‘n’ : Host name. For example: localhost.example.com. ‘r’ : Version name, for example: 5.1.2-ES314en. ‘v’ : Version information. There are big differences between operating systems. ‘m’ : Machine type. For example: i386. bool phpcredits ([int $flag = CREDITS_ALL]) - Print list of PHP contributors CREDITS_ALL: All CREDITS_DOCS: Document group contribution list CREDITS_FULLPAGE: Often used in combination with other flags. Indicates that a separate HTML page containing additional flag representation information needs to be printed. CREDITS_GENERAL: Universal List: Language Design and Concepts, PHP authors, and SAPI modules CREDITS_GROUP: List of core developers CREDITS_MODULES: PHP extension module and author CREDITS_SAPI: Server API module and author for PHP
phpcredits(CREDITS_GROUP | CREDITS_DOCS | CREDITS_FULLPAGE);bool phpinfo ([int $what = INFO_ALL]) - Outputs information about the PHP configuration string phpversion ([string $extension]) - Gets the current version of PHP bool putenv (string $setting) - Sets the value of the environment variable void restore_include_path (void) - Restores the value of the include_path configuration option string set_include_path (string $new_include_path) - Sets the include_path configuration option void set_time_limit (int $seconds) - Sets the maximum execution time of the script, starting from itself, with 0 for unlimited time string sys_get_temp_dir (void) - Returns the directory used for temporary files mixed version_compare (string $version1, string $version2 [, string $operator]) - compare two PHP normalized version numeric strings
if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
echo ' my PHP Version is very high : ' . PHP_VERSION . "\n";
}int zend_thread_id (void) - returns the only identifier for the current thread string zend_version (void) - Gets the version of the current Zend engine