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<?php ini_set('display_errors', 1); $d = new DOMDocument(); $html = "<!DOCTYPE html><html><head><meta charset='UTF-8'><title>a title with a </title></head><body>U+0000 <span>before \x0 after</span><span>test</span></body></html>"; $d->loadHTML($html); print($d->saveHTML());
Output for 7.3.26 - 7.3.33, 7.4.13 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: DOMDocument::loadHTML(): Char 0x0 out of allowed range in Entity, line: 1 in /in/MqaAY on line 6 <!DOCTYPE html> <html><head><meta charset="UTF-8"><title>a title with a </title></head><body>U+0000 <span>before after</span><span>test</span></body></html>
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 Warning: DOMDocument::loadHTML(): Char 0x0 out of allowed range in Entity, line: 1 in /in/MqaAY on line 6 <!DOCTYPE html> <html><head><meta charset="UTF-8"><title>a title with a </title></head><body>U+0000 <span>before after</span><span>test</span></body></html>
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.24, 7.4.0 - 7.4.12
<!DOCTYPE html> <html><head><meta charset="UTF-8"><title>a title with a </title></head><body>U+0000 <span>before </span></body></html>

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187.7 ms | 402 KiB | 184 Q