psStrBeginsWith()
Determine if a string begins with a specific substring
Description:
You can use this to find out if a string begins with something specific.
Usage:
$bool = psStrBeginsWith($needle,$haystack);
$bool = psStrBeginsWithi($needle,$haystack); // case insensitive
Example:
if ( psStrBeginsWith("PR_","PR_TEST") == true )
{
// do something
}
Code:
function psStrBeginsWith($needle,$haystack)
{
$res = false;
$l = strlen($needle);
if (substr($haystack,0,$l) == $needle)
{
$res = true;
}
return $res;
}
function psStrBeginsWithi($needle,$haystack)
{
$res = false;
$l = strlen($needle);
if (substr(strtolower($haystack),0,$l) == strtolower($needle))
{
$res = true;
}
return $res;
}
Changlelog:
|
|