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<?php $sampleString = "<a href='{{url}}'>Link</a> <p>This text {{url}} will not get replaced</p> <a href='{{url}}' download='true'>Another Link</a>"; $regex = "/(?<=href=')()(?={{url}}.*>)/"; $replaced = preg_replace($regex, "https://myurl.com?redirect=\1", $sampleString); echo $replaced;
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
<a href='https://myurl.com?redirect={{url}}'>Link</a> <p>This text {{url}} will not get replaced</p> <a href='https://myurl.com?redirect={{url}}' download='true'>Another Link</a>
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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