本文整理匯總了PHP中Illuminate\Support\Str::before方法的典型用法代碼示例。如果您正苦於以下問題：PHP Str::before方法的具體用法？PHP Str::before怎麽用？PHP Str::before使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Illuminate\Support\Str的用法示例。
在下文中一共展示了Str::before方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: test_str_before
public function test_str_before()
{
$string = Str::before('user@example.org', '@');
$this->assertEquals('user', $string);
$string = Str::before('user@example@.org', '@');
$this->assertEquals('user', $string);
$string = Str::before('userexample.org', '@');
$this->assertEquals('userexample.org', $string);
$string = Str::before('', '@');
$this->assertEquals('', $string);
}示例2: function
if (!Str::hasMacro('tease')) {
/**
* Shortens a string in a pretty way. Removes all double spaces and HTML.
* The string is concatenated with the moreTextIndicator.
*
* @param string $string
* @param int $length
* @param string $moreTextIndicator
* @return string
*/
Str::macro('tease', function ($string, $length = 200, $moreTextIndicator = '...') {
$string = preg_replace("/\\s+/", ' ', strip_tags(trim($string)));
if (strlen($string) <= $length) {
return $string;
}
return Str::before(wordwrap($string, $length, "\n"), "\n") . $moreTextIndicator;
});
}
if (!Str::hasMacro('segment')) {
/**
* Get a segment of a string based on a delimiter.
* Use a negative index to start counting from the last element.
*
* @param string $string
* @param string $delimiter
* @param int $nth
* @return string
*/
Str::macro('segment', function ($string, $delimiter, $nth) {
$segments = explode($delimiter, $string);
if ($nth < 0) {示例3:
/**
* Get the part of haystack before needle.
*
* @param string $haystack
* @param string $needle
* @return string
*/
function str_before($haystack, $needle)
{
return Str::before($haystack, $needle);
}