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<?php /** * Gets time of last page modification * @link https://php.net/manual/en/function.getlastmod.php * @return int the time of the last modification of the current * page. The value returned is a Unix timestamp, suitable for * feeding to date. Returns false on error. * @since 4.0 * @since 5.0 */ function getlastmod () {} /** * Decodes data encoded with MIME base64 * @link https://php.net/manual/en/function.base64-decode.php * @param string $data <p> * The encoded data. * </p> * @param bool $strict [optional] <p> * Returns false if input contains character from outside the base64 * alphabet. * </p> * @return string|false the original data or false on failure. The returned data may be * binary. * @since 4.0 * @since 5.0 */ function base64_decode ($data, $strict = null) {} /** * Encodes data with MIME base64 * @link https://php.net/manual/en/function.base64-encode.php * @param string $data <p> * The data to encode. * </p> * @return string The encoded data, as a string. * @since 4.0 * @since 5.0 */ function base64_encode ($data) {} /** * Uuencode a string * @link https://php.net/manual/en/function.convert-uuencode.php * @param string $data <p> * The data to be encoded. * </p> * @return string the uuencoded data. * @since 5.0 */ function convert_uuencode ($data) {} /** * Decode a uuencoded string * @link https://php.net/manual/en/function.convert-uudecode.php * @param string $data <p> * The uuencoded data. * </p> * @return string the decoded data as a string. * @since 5.0 */ function convert_uudecode ($data) {} /** * Absolute value * @link https://php.net/manual/en/function.abs.php * @param mixed $number <p> * The numeric value to process * </p> * @return float|int The absolute value of number. If the * argument number is * of type float, the return type is also float, * otherwise it is integer (as float usually has a * bigger value range than integer). * @since 4.0 * @since 5.0 */ function abs ($number) {} /** * Round fractions up * @link https://php.net/manual/en/function.ceil.php * @param float $value <p> * The value to round * </p> * @return float|false value rounded up to the next highest * integer. * The return value of ceil is still of type * float as the value range of float is * usually bigger than that of integer. * @since 4.0 * @since 5.0 */ function ceil ($value) {} /** * Round fractions down * @link https://php.net/manual/en/function.floor.php * @param float $value <p> * The numeric value to round * </p> * @return float|false value rounded to the next lowest integer. * The return value of floor is still of type * float because the value range of float is * usually bigger than that of integer. * @since 4.0 * @since 5.0 */ function floor ($value) {} /** * Returns the rounded value of val to specified precision (number of digits after the decimal point). * precision can also be negative or zero (default). * Note: PHP doesn't handle strings like "12,300.2" correctly by default. See converting from strings. * @link https://php.net/manual/en/function.round.php * @param float $val <p> * The value to round * </p> * @param int $precision [optional] <p> * The optional number of decimal digits to round to. * </p> * @param int $mode [optional] <p> * One of PHP_ROUND_HALF_UP, * PHP_ROUND_HALF_DOWN, * PHP_ROUND_HALF_EVEN, or * PHP_ROUND_HALF_ODD. * </p> * @return float|false The rounded value * @since 4.0 * @since 5.0 */ function round ($val, $precision = 0, $mode = PHP_ROUND_HALF_UP) {} /** * Sine * @link https://php.net/manual/en/function.sin.php * @param float $arg <p> * A value in radians * </p> * @return float The sine of arg * @since 4.0 * @since 5.0 */ function sin ($arg) {} /** * Cosine * @link https://php.net/manual/en/function.cos.php * @param float $arg <p> * An angle in radians * </p> * @return float The cosine of arg * @since 4.0 * @since 5.0 */ function cos ($arg) {} /** * Tangent * @link https://php.net/manual/en/function.tan.php * @param float $arg <p> * The argument to process in radians * </p> * @return float The tangent of arg * @since 4.0 * @since 5.0 */ function tan ($arg) {} /** * Arc sine * @link https://php.net/manual/en/function.asin.php * @param float $arg <p> * The argument to process * </p> * @return float The arc sine of arg in radians * @since 4.0 * @since 5.0 */ function asin ($arg) {} /** * Arc cosine * @link https://php.net/manual/en/function.acos.php * @param float $arg <p> * The argument to process * </p> * @return float The arc cosine of arg in radians. * @since 4.0 * @since 5.0 */ function acos ($arg) {} /** * Arc tangent * @link https://php.net/manual/en/function.atan.php * @param float $arg <p> * The argument to process * </p> * @return float The arc tangent of arg in radians. * @since 4.0 * @since 5.0 */ function atan ($arg) {} /** * Inverse hyperbolic tangent * @link https://php.net/manual/en/function.atanh.php * @param float $arg <p> * The argument to process * </p> * @return float Inverse hyperbolic tangent of arg * @since 4.1 * @since 5.0 */ function atanh ($arg) {} /** * Arc tangent of two variables * @link https://php.net/manual/en/function.atan2.php * @param float $y <p> * Dividend parameter * </p> * @param float $x <p> * Divisor parameter * </p> * @return float The arc tangent of y/x * in radians. * @since 4.0 * @since 5.0 */ function atan2 ($y, $x) {} /** * Hyperbolic sine * @link https://php.net/manual/en/function.sinh.php * @param float $arg <p> * The argument to process * </p> * @return float The hyperbolic sine of arg * @since 4.1 * @since 5.0 */ function sinh ($arg) {} /** * Hyperbolic cosine * @link https://php.net/manual/en/function.cosh.php * @param float $arg <p> * The argument to process * </p> * @return float The hyperbolic cosine of arg * @since 4.1 * @since 5.0 */ function cosh ($arg) {} /** * Hyperbolic tangent * @link https://php.net/manual/en/function.tanh.php * @param float $arg <p> * The argument to process * </p> * @return float The hyperbolic tangent of arg * @since 4.1 * @since 5.0 */ function tanh ($arg) {} /** * Inverse hyperbolic sine * @link https://php.net/manual/en/function.asinh.php * @param float $arg <p> * The argument to process * </p> * @return float The inverse hyperbolic sine of arg * @since 4.1 * @since 5.0 */ function asinh ($arg) {} /** * Inverse hyperbolic cosine * @link https://php.net/manual/en/function.acosh.php * @param float $arg <p> * The value to process * </p> * @return float The inverse hyperbolic cosine of arg * @since 4.1 * @since 5.0 */ function acosh ($arg) {} /** * Returns exp(number) - 1, computed in a way that is accurate even * @since 4.1 * @since 5.0 when the value of number is close to zero * @link https://php.net/manual/en/function.expm1.php * @param float $arg <p> * The argument to process * </p> * @return float 'e' to the power of arg minus one */ function expm1 ($arg) {} /** * Returns log(1 + number), computed in a way that is accurate even when * @since 4.1 * @since 5.0 the value of number is close to zero * @link https://php.net/manual/en/function.log1p.php * @param float $number <p> * The argument to process * </p> * @return float log(1 + number) */ function log1p ($number) {} /** * Get value of pi * @link https://php.net/manual/en/function.pi.php * @return float The value of pi as float. * @since 4.0 * @since 5.0 */ function pi () {} /** * Finds whether a value is a legal finite number * @link https://php.net/manual/en/function.is-finite.php * @param float $val <p> * The value to check * </p> * @return bool true if val is a legal finite * number within the allowed range for a PHP float on this platform, * else false. * @since 4.2 * @since 5.0 */ function is_finite ($val) {} /** * Finds whether a value is not a number * @link https://php.net/manual/en/function.is-nan.php * @param float $val <p> * The value to check * </p> * @return bool true if val is 'not a number', * else false. * @since 4.2 * @since 5.0 */ function is_nan ($val) {} /** * Integer division * @link https://php.net/manual/en/function.intdiv.php * @param $dividend <p>Number to be divided.</p> * @param $divisor <p>Number which divides the <b><i>dividend</i></b></p> * @return int <p> * If divisor is 0, a {@link DivisionByZeroError} exception is thrown. * If the <b><i>dividend</i></b> is <b>PHP_INT_MIN</b> and the <b><i>divisor</i></b> is -1, * then an {@link ArithmeticError} exception is thrown. * </p> * @since 7.0 */ function intdiv ($dividend, $divisor) {} /** * Finds whether a value is infinite * @link https://php.net/manual/en/function.is-infinite.php * @param float $val <p> * The value to check * </p> * @return bool true if val is infinite, else false. * @since 4.2 * @since 5.0 */ function is_infinite ($val) {} /** * Exponential expression * @link https://php.net/manual/en/function.pow.php * @param int|float $base <p> * The base to use * </p> * @param int|float $exp <p> * The exponent * </p> * @return int|float base raised to the power of exp. * If the result can be represented as integer it will be returned as type * integer, else it will be returned as type float. * If the power cannot be computed false will be returned instead. * @since 4.0 * @since 5.0 */ function pow ($base, $exp) {} /** * Calculates the exponent of <constant>e</constant> * @link https://php.net/manual/en/function.exp.php * @param float $arg <p> * The argument to process * </p> * @return float 'e' raised to the power of arg * @since 4.0 * @since 5.0 */ function exp ($arg) {} /** * Natural logarithm * @link https://php.net/manual/en/function.log.php * @param float $arg <p> * The value to calculate the logarithm for * </p> * @param float $base [optional] <p> * The optional logarithmic base to use * (defaults to 'e' and so to the natural logarithm). * </p> * @return float The logarithm of arg to * base, if given, or the * natural logarithm. * @since 4.0 * @since 5.0 */ function log ($arg, $base = null) {} /** * Base-10 logarithm * @link https://php.net/manual/en/function.log10.php * @param float $arg <p> * The argument to process * </p> * @return float The base-10 logarithm of arg * @since 4.0 * @since 5.0 */ function log10 ($arg) {} /** * Square root * @link https://php.net/manual/en/function.sqrt.php * @param float $arg <p> * The argument to process * </p> * @return float The square root of arg * or the special value NAN for negative numbers. * @since 4.0 * @since 5.0 */ function sqrt ($arg) {} /** * Calculate the length of the hypotenuse of a right-angle triangle * @link https://php.net/manual/en/function.hypot.php * @param float $x <p> * Length of first side * </p> * @param float $y <p> * Length of second side * </p> * @return float Calculated length of the hypotenuse * @since 4.1 * @since 5.0 */ function hypot ($x, $y) {} /** * Converts the number in degrees to the radian equivalent * @link https://php.net/manual/en/function.deg2rad.php * @param float $number <p> * Angular value in degrees * </p> * @return float The radian equivalent of number * @since 4.0 * @since 5.0 */ function deg2rad ($number) {} /** * Converts the radian number to the equivalent number in degrees * @link https://php.net/manual/en/function.rad2deg.php * @param float $number <p> * A radian value * </p> * @return float The equivalent of number in degrees * @since 4.0 * @since 5.0 */ function rad2deg ($number) {} /** * Binary to decimal * @link https://php.net/manual/en/function.bindec.php * @param string $binary_string <p> * The binary string to convert * </p> * @return int|float The decimal value of binary_string * @since 4.0 * @since 5.0 */ function bindec ($binary_string) {} /** * Hexadecimal to decimal * @link https://php.net/manual/en/function.hexdec.php * @param string $hex_string <p> * The hexadecimal string to convert * </p> * @return int|float The decimal representation of hex_string * @since 4.0 * @since 5.0 */ function hexdec ($hex_string) {} /** * Octal to decimal * @link https://php.net/manual/en/function.octdec.php * @param string $octal_string <p> * The octal string to convert * </p> * @return int|float The decimal representation of octal_string * @since 4.0 * @since 5.0 */ function octdec ($octal_string) {} /** * Decimal to binary * @link https://php.net/manual/en/function.decbin.php * @param int $number <p> * Decimal value to convert * </p> * <table> * Range of inputs on 32-bit machines * <tr valign="top"> * <td>positive number</td> * <td>negative number</td> * <td>return value</td> * </tr> * <tr valign="top"> * <td>0</td> * <td></td> * <td>0</td> * </tr> * <tr valign="top"> * <td>1</td> * <td></td> * <td>1</td> * </tr> * <tr valign="top"> * <td>2</td> * <td></td> * <td>10</td> * </tr> * <tr valign="top"> * ... normal progression ...</td> * </tr> * <tr valign="top"> * <td>2147483646</td> * <td></td> * <td>1111111111111111111111111111110</td> * </tr> * <tr valign="top"> * <td>2147483647 (largest signed integer)</td> * <td></td> * <td>1111111111111111111111111111111 (31 1's)</td> * </tr> * <tr valign="top"> * <td>2147483648</td> * <td>-2147483648</td> * <td>10000000000000000000000000000000</td> * </tr> * <tr valign="top"> * ... normal progression ...</td> * </tr> * <tr valign="top"> * <td>4294967294</td> * <td>-2</td> * <td>11111111111111111111111111111110</td> * </tr> * <tr valign="top"> * <td>4294967295 (largest unsigned integer)</td> * <td>-1</td> * <td>11111111111111111111111111111111 (32 1's)</td> * </tr> * </table> * <table> * Range of inputs on 64-bit machines * <tr valign="top"> * <td>positive number</td> * <td>negative number</td> * <td>return value</td> * </tr> * <tr valign="top"> * <td>0</td> * <td></td> * <td>0</td> * </tr> * <tr valign="top"> * <td>1</td> * <td></td> * <td>1</td> * </tr> * <tr valign="top"> * <td>2</td> * <td></td> * <td>10</td> * </tr> * <tr valign="top"> * ... normal progression ...</td> * </tr> * <tr valign="top"> * <td>9223372036854775806</td> * <td></td> * <td>111111111111111111111111111111111111111111111111111111111111110</td> * </tr> * <tr valign="top"> * <td>9223372036854775807 (largest signed integer)</td> * <td></td> * <td>111111111111111111111111111111111111111111111111111111111111111 (31 1's)</td> * </tr> * <tr valign="top"> * <td></td> * <td>-9223372036854775808</td> * <td>1000000000000000000000000000000000000000000000000000000000000000</td> * </tr> * <tr valign="top"> * ... normal progression ...</td> * </tr> * <tr valign="top"> * <td></td> * <td>-2</td> * <td>1111111111111111111111111111111111111111111111111111111111111110</td> * </tr> * <tr valign="top"> * <td></td> * <td>-1</td> * <td>1111111111111111111111111111111111111111111111111111111111111111 (64 1's)</td> * </tr> * </table> * @return string Binary string representation of number * @since 4.0 * @since 5.0 */ function decbin ($number) {} /** * Decimal to octal * @link https://php.net/manual/en/function.decoct.php * @param int $number <p> * Decimal value to convert * </p> * @return string Octal string representation of number * @since 4.0 * @since 5.0 */ function decoct ($number) {} /** * Decimal to hexadecimal * @link https://php.net/manual/en/function.dechex.php * @param int $number <p> * Decimal value to convert * </p> * @return string Hexadecimal string representation of number * @since 4.0 * @since 5.0 */ function dechex ($number) {} /** * Convert a number between arbitrary bases * @link https://php.net/manual/en/function.base-convert.php * @param string $number <p> * The number to convert * </p> * @param int $frombase <p> * The base number is in * </p> * @param int $tobase <p> * The base to convert number to * </p> * @return string number converted to base tobase * @since 4.0 * @since 5.0 */ function base_convert ($number, $frombase, $tobase) {} /** * Format a number with grouped thousands * @link https://php.net/manual/en/function.number-format.php * @param float $number <p> * The number being formatted. * </p> * @param int $decimals [optional] <p> * Sets the number of decimal points. * </p> * @param string $dec_point [optional] * @param string $thousands_sep [optional] * @return string A formatted version of number. * @since 4.0 * @since 5.0 */ function number_format ($number , $decimals = 0 , $dec_point = '.' , $thousands_sep = ',' ) {} /** * Returns the floating point remainder (modulo) of the division * @since 4.2 * @since 5.0 of the arguments * @link https://php.net/manual/en/function.fmod.php * @param float $x <p> * The dividend * </p> * @param float $y <p> * The divisor * </p> * @return float The floating point remainder of * x/y */ function fmod ($x, $y) {} /** * Converts a packed internet address to a human readable representation * @link https://php.net/manual/en/function.inet-ntop.php * @param string $in_addr <p> * A 32bit IPv4, or 128bit IPv6 address. * </p> * @return string|false a string representation of the address or false on failure. * @since 5.1 */ function inet_ntop ($in_addr) {} /** * Converts a human readable IP address to its packed in_addr representation * @link https://php.net/manual/en/function.inet-pton.php * @param string $address <p> * A human readable IPv4 or IPv6 address. * </p> * @return string the in_addr representation of the given * address * @since 5.1 */ function inet_pton ($address) {} /** * Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address * @link https://php.net/manual/en/function.ip2long.php * @param string $ip_address <p> * A standard format address. * </p> * @return int|false the IPv4 address or false if ip_address * is invalid. * @since 4.0 * @since 5.0 */ function ip2long ($ip_address) {} /** * Converts an (IPv4) Internet network address into a string in Internet standard dotted format * @link https://php.net/manual/en/function.long2ip.php * @param string|int $proper_address <p> * A proper address representation. * </p> * @return string the Internet IP address as a string. * @since 4.0 * @since 5.0 */ function long2ip ($proper_address) {} /** * Gets the value of an environment variable * @link https://php.net/manual/en/function.getenv.php * @param string $varname [optional] <p> * The variable name. * </p> * @param bool $local_only [optional] <p> * Set to true to only return local environment variables (set by the operating system or putenv). * </p> * @return string|array|false the value of the environment variable * varname or an associative array with all environment variables if no variable name * is provided, or false on an error. * @since 4.0 * @since 5.5.38 The local_only parameter has been added. * @since 5.6.24 The local_only parameter has been added. * @since 7.0.9 The local_only parameter has been added. * @since 7.1 The varname parameter was made optional. */ function getenv ($varname = null, $local_only = false) {} /** * Sets the value of an environment variable * @link https://php.net/manual/en/function.putenv.php * @param string $setting <p> * The setting, like "FOO=BAR" * </p> * @return bool true on success or false on failure. * @since 4.0 * @since 5.0 */ function putenv ($setting) {} /** * Gets options from the command line argument list * @link https://php.net/manual/en/function.getopt.php * @param string $options Each character in this string will be used as option characters and * matched against options passed to the script starting with a single * hyphen (-). * For example, an option string "x" recognizes an * option -x. * Only a-z, A-Z and 0-9 are allowed. * @param array $longopts [optional] An array of options. Each element in this array will be used as option * strings and matched against options passed to the script starting with * two hyphens (--). * For example, an longopts element "opt" recognizes an * option --opt. * Prior to PHP5.3.0 this parameter was only available on few systems * @param int $optind If the optind parameter is present, then the index where argument parsing stopped will be written to this variable. * @return array This function will return an array of option / argument pairs or false on * failure. * @since 4.3 * @since 5.0 */ function getopt ($options, array $longopts = null, &$optind = null) {} /** * Gets system load average * @link https://php.net/manual/en/function.sys-getloadavg.php * @return array an array with three samples (last 1, 5 and 15 * minutes). * @since 5.1.3 */ function sys_getloadavg () {} /** * Return current Unix timestamp with microseconds * @link https://php.net/manual/en/function.microtime.php * @param bool $get_as_float [optional] <p> * When called without the optional argument, this function returns the string * "msec sec" where sec is the current time measured in the number of * seconds since the Unix Epoch (0:00:00 January 1, 1970 GMT), and * msec is the microseconds part. * Both portions of the string are returned in units of seconds. * </p> * <p> * If the optional get_as_float is set to * true then a float (in seconds) is returned. * </p> * @return string|float * @since 4.0 * @since 5.0 */ function microtime ($get_as_float = null) {} /** * Get current time * @link https://php.net/manual/en/function.gettimeofday.php * @param bool $return_float [optional] <p> * When set to true, a float instead of an array is returned. * </p> * @return int[]|float By default an array is returned. If return_float * is set, then a float is returned. * </p> * <p> * Array keys: * "sec" - seconds since the Unix Epoch * "usec" - microseconds * "minuteswest" - minutes west of Greenwich * "dsttime" - type of dst correction * @since 4.0 * @since 5.0 */ function gettimeofday ($return_float = null) {} /** * Gets the current resource usages * @link https://php.net/manual/en/function.getrusage.php * @param int $who [optional] <p> * If who is 1, getrusage will be called with * RUSAGE_CHILDREN. * </p> * @return array an associative array containing the data returned from the system * call. All entries are accessible by using their documented field names. * @since 4.0 * @since 5.0 */ function getrusage ($who = null) {} /** * Generate a unique ID * @link https://php.net/manual/en/function.uniqid.php * @param string $prefix [optional] <p> * Can be useful, for instance, if you generate identifiers * simultaneously on several hosts that might happen to generate the * identifier at the same microsecond. * </p> * <p> * With an empty prefix, the returned string will * be 13 characters long. If more_entropy is * true, it will be 23 characters. * </p> * @param bool $more_entropy [optional] <p> * If set to true, uniqid will add additional * entropy (using the combined linear congruential generator) at the end * of the return value, which should make the results more unique. * </p> * @return string the unique identifier, as a string. * @since 4.0 * @since 5.0 */ function uniqid ($prefix = "", $more_entropy = false) {} /** * Convert a quoted-printable string to an 8 bit string * @link https://php.net/manual/en/function.quoted-printable-decode.php * @param string $str <p> * The input string. * </p> * @return string the 8-bit binary string. * @since 4.0 * @since 5.0 */ function quoted_printable_decode ($str) {} /** * Convert a 8 bit string to a quoted-printable string * @link https://php.net/manual/en/function.quoted-printable-encode.php * @param string $str <p> * The input string. * </p> * @return string the encoded string. * @since 5.3 */ function quoted_printable_encode ($str) {} /** * Convert from one Cyrillic character set to another * @link https://php.net/manual/en/function.convert-cyr-string.php * @param string $str <p> * The string to be converted. * </p> * @param string $from <p> * The source Cyrillic character set, as a single character. * </p> * @param string $to <p> * The target Cyrillic character set, as a single character. * </p> * @return string the converted string. * @since 4.0 * @since 5.0 * @deprecated 7.4 */ function convert_cyr_string ($str, $from, $to) {} /** * Gets the name of the owner of the current PHP script * @link https://php.net/manual/en/function.get-current-user.php * @return string the username as a string. * @since 4.0 * @since 5.0 */ function get_current_user () {} /** * Limits the maximum execution time * @link https://php.net/manual/en/function.set-time-limit.php * @param int $seconds <p> * The maximum execution time, in seconds. If set to zero, no time limit * is imposed. * </p> * @return bool Returns TRUE on success, or FALSE on failure. * @since 4.0 * @since 5.0 */ function set_time_limit ($seconds) {} /** * Gets the value of a PHP configuration option * @link https://php.net/manual/en/function.get-cfg-var.php * @param string $option <p> * The configuration option name. * </p> * @return string the current value of the PHP configuration variable specified by * option, or false if an error occurs. * @since 4.0 * @since 5.0 */ function get_cfg_var ($option) {} /** * &Alias; <function>set_magic_quotes_runtime</function> * @link https://php.net/manual/en/function.magic-quotes-runtime.php * @deprecated 5.3 * @param $new_setting * @since 4.0 * @since 5.0 */ function magic_quotes_runtime ($new_setting) {} /** * Sets the current active configuration setting of magic_quotes_runtime * @link https://php.net/manual/en/function.set-magic-quotes-runtime.php * @deprecated 5.3 * @param bool $new_setting <p> * false for off, true for on. * </p> * @return bool true on success or false on failure. * @deprecated 5.4 This function has been DEPRECATED as of PHP 5.4.0. Raises an E_CORE_ERROR. * @since 4.0 * @since 5.0 */ function set_magic_quotes_runtime ($new_setting) {} /** * Gets the current configuration setting of magic quotes gpc * @link https://php.net/manual/en/function.get-magic-quotes-gpc.php * @return int 0 if magic quotes gpc are off, 1 otherwise. * @since 4.0 * @since 5.0 * @deprecated 7.4 */ function get_magic_quotes_gpc () {} /** * Gets the current active configuration setting of magic_quotes_runtime * @link https://php.net/manual/en/function.get-magic-quotes-runtime.php * @return int 0 if magic quotes runtime is off, 1 otherwise. * @since 4.0 * @since 5.0 * @deprecated 7.4 */ function get_magic_quotes_runtime () {} /** * Import GET/POST/Cookie variables into the global scope * @link https://php.net/manual/en/function.import-request-variables.php * @param string $types <p> * Using the types parameter, you can specify * which request variables to import. You can use 'G', 'P' and 'C' * characters respectively for GET, POST and Cookie. These characters are * not case sensitive, so you can also use any combination of 'g', 'p' * and 'c'. POST includes the POST uploaded file information. * </p> * <p> * Note that the order of the letters matters, as when using * "GP", the * POST variables will overwrite GET variables with the same name. Any * other letters than GPC are discarded. * </p> * @param string $prefix [optional] <p> * Variable name prefix, prepended before all variable's name imported * into the global scope. So if you have a GET value named * "userid", and provide a prefix * "pref_", then you'll get a global variable named * $pref_userid. * </p> * <p> * Although the prefix parameter is optional, you * will get an E_NOTICE level * error if you specify no prefix, or specify an empty string as a * prefix. This is a possible security hazard. Notice level errors are * not displayed using the default error reporting level. * </p> * @return bool true on success or false on failure. * @deprecated 5.3 This function has been DEPRECATED as of PHP 5.3.0 and REMOVED as of PHP 5.4.0. * @since 4.1 * @since 5.0 */ function import_request_variables ($types, $prefix = null) {} /** * Send an error message somewhere * @link https://php.net/manual/en/function.error-log.php * @param string $message <p> * The error message that should be logged. * </p> * @param int $message_type [optional] <p> * Says where the error should go. The possible message types are as * follows: * </p> * <p> * <table> * error_log log types * <tr valign="top"> * <td>0</td> * <td> * message is sent to PHP's system logger, using * the Operating System's system logging mechanism or a file, depending * on what the error_log * configuration directive is set to. This is the default option. * </td> * </tr> * <tr valign="top"> * <td>1</td> * <td> * message is sent by email to the address in * the destination parameter. This is the only * message type where the fourth parameter, * extra_headers is used. * </td> * </tr> * <tr valign="top"> * <td>2</td> * <td> * No longer an option. * </td> * </tr> * <tr valign="top"> * <td>3</td> * <td> * message is appended to the file * destination. A newline is not automatically * added to the end of the message string. * </td> * </tr> * <tr valign="top"> * <td>4</td> * <td> * message is sent directly to the SAPI logging * handler. * </td> * </tr> * </table> * </p> * @param string $destination [optional] <p> * The destination. Its meaning depends on the * message_type parameter as described above. * </p> * @param string $extra_headers [optional] <p> * The extra headers. It's used when the message_type * parameter is set to 1. * This message type uses the same internal function as * mail does. * </p> * @return bool true on success or false on failure. * @since 4.0 * @since 5.0 */ function error_log ($message, $message_type = null, $destination = null, $extra_headers = null) {}