分解字符串并返回不包含空元素的数组

Posted 2021-02-27

<?php
/*
	Function: eexplode
 
	Explodes an string and removes any empty 
	elements in the resulting array
 
	Parameters: 
		$separator - The separator used to explode the $string
		$string - The string to explode
 
	Returns:
		An array with no empty elements
 
	Example:
		print_r(explode(":","evan:walsh:"));
 
		Array(
			[0] => evan
			[1] => walsh
			[2] => 
		);
 
		print_r(eexplode(":","evan:walsh:"));
 
		Array(
			[0] => evan
			[1] => walsh
		);
 */
function eexplode($separator,$string){
	$array = explode($separator,$string);
	foreach($array as $key => $val){
		if(empty($val)){
			unset($array[$key]);
		}
	}
	return $array;
}