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<?php $array= [ 'url("images")', 'url (\'images\')', 'url(vendor/)', 'url(website/images)', "url(http://)" ]; $pattern = '/url\s*\(\s*[\'"]?+\/?+((?!http|vendor|website).+?)[\'"]?\s*\)/i'; $result=[]; foreach ($array as $test_string) { $content = preg_replace($pattern, 'url(websites/abc/www/$1)', $test_string); $result[$test_string] = $content; } print_r($result);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [url("images")] => url(websites/abc/www/images) [url ('images')] => url(websites/abc/www/images) [url(vendor/)] => url(vendor/) [url(website/images)] => url(website/images) [url(http://)] => url(http://) )

preferences:
106.64 ms | 2080 KiB | 4 Q