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Usage code example of php join function

怪我咯
Release: 2023-03-13 19:42:02
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The

join() function returns a string composed of array elements. The

join() function is an alias of the implode() function.

Note: The join() function accepts two parameter orders. However, due to historical reasons, explode() does not work. You must ensure that the separator parameter comes before the string parameter.

Grammar

join(separator,array)
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This article mainly introduces the application of php joinfunction. Friends in need can refer to it. $key = array();

$val = array(); 
foreach ($_POST as $k=>$v) 
{ 
$key[] = '`'.strip_tags(mysql_real_escape_string(trim($k))).'`'; 
$val[] = "'".strip_tags(mysql_real_escape_string(trim($v)))."'"; 
} 

$keys = join(",",$key); 
$vals = join(",",$val);
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