function Crawler::xpathLiteral

Converts string for XPath expressions.

Escaped characters are: quotes (") and apostrophe (').

Examples:

echo Crawler::xpathLiteral('foo " bar'); //prints 'foo " bar'

echo Crawler::xpathLiteral("foo ' bar"); //prints "foo ' bar"

echo Crawler::xpathLiteral('a\'b"c'); //prints concat('a', "'", 'b"c')

4 calls to Crawler::xpathLiteral()

Crawler::selectButton in vendor/symfony/dom-crawler/Crawler.php

Selects a button by name or alt value for images.

Crawler::selectImage in vendor/symfony/dom-crawler/Crawler.php

Selects images by alt value.

Crawler::selectLink in vendor/symfony/dom-crawler/Crawler.php

Selects links by name or alt value for clickable images.

Form::initialize in vendor/symfony/dom-crawler/Form.php

Adds form elements related to this form.

File

vendor/symfony/dom-crawler/Crawler.php, line 894

Class

Crawler

Crawler eases navigation of a list of \DOMNode objects.

Namespace

Symfony\Component\DomCrawler

Code

public static function xpathLiteral(string $s) : string {
    if (!str_contains($s, "'")) {
        return \sprintf("'%s'", $s);
    }
    if (!str_contains($s, '"')) {
        return \sprintf('"%s"', $s);
    }
    $string = $s;
    $parts = [];
    while (true) {
        if (false !== ($pos = strpos($string, "'"))) {
            $parts[] = \sprintf("'%s'", substr($string, 0, $pos));
            $parts[] = "\"'\"";
            $string = substr($string, $pos + 1);
        }
        else {
            $parts[] = "'{$string}'";
            break;
        }
    }
    return \sprintf('concat(%s)', implode(', ', $parts));
}