<?php
namespace FluentForm\App\Helpers;
class Str
{
/**
* Determine if a given string starts with a given substring.
*
* @param string $haystack
* @param string|array $needles
*
* @return bool
*/
public static function startsWith($haystack, $needles)
{
if (is_array($haystack)) {
$haystack = implode(' ', $haystack);
}
foreach ((array) $needles as $needle) {
if ('' != $needle && substr($haystack, 0, strlen($needle)) === (string) $needle) {
return true;
}
}
return false;
}
/**
* Determine if a given string ends with a given substring.
*
* @param string $haystack
* @param string|array $needles
*
* @return bool
*/
public static function endsWith($haystack, $needles)
{
if (is_array($haystack)) {
$haystack = implode(' ', $haystack);
}
foreach ((array) $needles as $needle) {
if (substr($haystack, -strlen($needle)) === (string) $needle) {
return true;
}
}
return false;
}
/**
* Determine if a given string contains a given substring.
*
* @param string $haystack
* @param string|array $needles
*
* @return bool
*/
public static function contains($haystack, $needles)
{
if (is_array($haystack)) {
$haystack = implode(' ', $haystack);
}
foreach ((array) $needles as $needle) {
if ('' != $needle && fluentform_mb_strpos($haystack, $needle) !== false) {
return true;
}
}
return false;
}
/**
* Determine if a given string does not contain a given substring.
*
* @param string $haystack
* @param string|array $needles
*
* @return bool
*/
public static function doNotContains($haystack, $needles)
{
return !self::contains($haystack, $needles);
}
}