PHP Validation daily format

PHP Authentication Daily Format _ Email Verification _ Mobile Authentication _ Identity Verification _ URL Verification _ time verification

 \?\\\/\'\"]*)|. {0,5})   $|\s/", if (!preg_match ($chars, $user _safe)) {return true;    Returns true if no special characters are found}else{return false; }}/** * Check whether it is a valid time format * * @access public * @param string $time format: 2011-11-16 15:54:13 * @return void */function I    S_time ($time) {$pattern = '/[\d]{4}-[\d]{1,2}-[\d]{1,2}\s[\d]{1,2}:[\d]{1,2}:[\d]{1,2}/'; Return Preg_match ($pattern, $time);}? >

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