


An explanation of how to use php str_getcsv to parse a string into an array
php根据定界符把字符串解析为数组一般使用explode方法实现
例如:使用”,”为定界符解析字符串为数组
<?php$str = '1,2,3';$arr = explode(',', $str); print_r($arr);?>
输出:
Array( [0] => 1 [1] => 2 [2] => 3)
但对于一些较复杂的字符串,例如csv格式,使用explode不能得出想要的结果,而使用正则较麻烦。
例如:
<?php$str = "中国,广东省,广州市,天河区,'113.329884,23.154799',1,'2016-01-01 12:00:00','1,2,3,4,5,6'";$arr = explode(',', $str); print_r($arr);?>
输出:
Array( [0] => 中国 [1] => 广东省 [2] => 广州市 [3] => 天河区 [4] => '113.329884 [5] => 23.154799' [6] => 1 [7] => '2016-01-01 12:00:00' [8] => '1 [9] => 2 [10] => 3 [11] => 4 [12] => 5 [13] => 6')
实际上想得到的结果是:
Array( [0] => 中国 [1] => 广东省 [2] => 广州市 [3] => 天河区 [4] => 113.329884,23.154799 [5] => 1 [6] => 2016-01-01 12:00:00 [7] => 1,2,3,4,5,6)
php提供了str_getcsv方法,可以把字符串作为csv格式来处理,这样方便解析为数组。
str_getcsv 解析csv字符串为数组
array str_getcsv ( string $input [, string $delimiter = "," [, string $enclosure = '"' [, string $escape = "\\" ]]] )
参数:
input 待解析的字符串
delimiter 设定字段界定符(仅单个字符)
enclosure 设定字段包裹字符(仅单个字符)
escape 设置转义字符(仅单个字符),默认为反斜线(\)
实例:
<?php$str = "中国,广东省,广州市,天河区,'113.329884,23.154799',1,'2016-01-01 12:00:00','1,2,3,4,5,6'";$arr = str_getcsv($str, ',', "'"); print_r($arr);?>
输出:
Array( [0] => 中国 [1] => 广东省 [2] => 广州市 [3] => 天河区 [4] => 113.329884,23.154799 [5] => 1 [6] => 2016-01-01 12:00:00 [7] => 1,2,3,4,5,6)
本篇讲解了php str_getcsv把字符串解析为数组的使用方法,更多相关内容请关注php中文网。
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