mdrakibhossainhawlader · July 9, 2018 00:53
diff --git a/is_timestamp.php b/is_timestamp.php
 <?php

 /**
 * Checks if a string is a valid timestamp.
 *
 * @param  string $timestamp Timestamp to validate.
 * 
 * @return bool
 */
 function is_timestamp($timestamp)
 {
 	$check = (is_int($timestamp) OR is_float($timestamp))
 		? $timestamp
 		: (string) (int) $timestamp;

 	return  ($check === $timestamp)
        	AND ( (int) $timestamp <=  PHP_INT_MAX)
        	AND ( (int) $timestamp >= ~PHP_INT_MAX);
 }
	<?php

	/**
	* Checks if a string is a valid timestamp.
	*
	* @param string $timestamp Timestamp to validate.
	*
	* @return bool
	*/
	function is_timestamp($timestamp)
	{
	$check = (is_int($timestamp) OR is_float($timestamp))
	? $timestamp
	: (string) (int) $timestamp;

	return ($check === $timestamp)
	AND ( (int) $timestamp <= PHP_INT_MAX)
	AND ( (int) $timestamp >= ~PHP_INT_MAX);
	}