function AbstractUnicodeString::join

Overrides AbstractString::join

2 calls to AbstractUnicodeString::join()

UnicodeString::join in vendor/symfony/string/UnicodeString.php
UnicodeString::join in vendor/symfony/string/UnicodeString.php

1 method overrides AbstractUnicodeString::join()

UnicodeString::join in vendor/symfony/string/UnicodeString.php

File

vendor/symfony/string/AbstractUnicodeString.php, line 201

Class

AbstractUnicodeString: Represents a string of abstract Unicode characters.

Namespace

Symfony\Component\String

Code

public function join(array $strings, ?string $lastGlue = null) : static {
    $str = clone $this;
    $tail = null !== $lastGlue && 1 < \count($strings) ? $lastGlue . array_pop($strings) : '';
    $str->string = implode($this->string, $strings) . $tail;
    if (!preg_match('//u', $str->string)) {
        throw new InvalidArgumentException('Invalid UTF-8 string.');
    }
    return $str;
}