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Add case insensitive string helper functions.

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Tony Murray
2016-08-30 11:55:24 -05:00
parent 583411046f
commit 38901bfe83
1 changed files with 54 additions and 0 deletions
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54
includes/common.php
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@ -1389,6 +1389,24 @@ function str_contains($haystack, $needles)
return false; return false;
} }
/**
* Determine if a given string contains a given substring.
* Case Insensitive.
*
* @param string $haystack
* @param string|array $needles
* @return bool
*/
function str_icontains($haystack, $needles)
{
foreach ((array) $needles as $needle) {
if ($needle != '' && stripos($haystack, $needle) !== false) {
return true;
}
}
return false;
}
/** /**
* Determine if a given string ends with a given substring. * Determine if a given string ends with a given substring.
* *
@ -1406,6 +1424,24 @@ function ends_with($haystack, $needles)
return false; return false;
} }
/**
* Determine if a given string ends with a given substring.
* Case insensitive.
*
* @param string $haystack
* @param string|array $needles
* @return bool
*/
function iends_with($haystack, $needles)
{
$lower_haystack = strtolower($haystack);
foreach ((array)$needles as $needle) {
if (strtolower($needle) === substr($lower_haystack, -strlen($needle))) {
return true;
}
}
return false;
}
/** /**
* Determine if a given string starts with a given substring. * Determine if a given string starts with a given substring.
@ -1423,3 +1459,21 @@ function starts_with($haystack, $needles)
} }
return false; return false;
} }
/**
* Determine if a given string starts with a given substring.
* Case insensitive.
*
* @param string $haystack
* @param string|array $needles
* @return bool
*/
function istarts_with($haystack, $needles)
{
foreach ((array)$needles as $needle) {
if ($needle != '' && stripos($haystack, $needle) === 0) {
return true;
}
}
return false;
}