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run code in 500+ PHP versions simultaneously
<?php $replacer = 'href="https://example.net"'; $homepage = preg_replace_callback('/<body.*?>(.*)<\/body>/', function($matches) use($replacer) { return preg_replace("/(?<=href=(\"|'))[^\"']+(?=(\"|'))/",$replacer,$matches[0]); },'<body><a class="attribute" href="https://mother.com"/> <a class="attribute" href="https://mothers.com"></a></body>'); echo $homepage;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.4, 8.3.6 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
<body><a class="attribute" href="href="https://example.net""/> <a class="attribute" href="href="https://example.net""></a></body>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 <body><a class="attribute" href="href="https://example.net""/> <a class="attribute" href="href="https://example.net""></a></body>

preferences:
90.44 ms | 1284 KiB | 4 Q