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<?php $pattern = '/\[CODE\](.*)\[\/CODE\]/'; $replacement = function($m) { return htmlentities($m[0]); }; $subject = <<<EOT <html> <body> <div id="box1">[CODE]<span class="test">Hello World</span>[/CODE]</div> <div id="box2">[CODE]<strong class="test2">Nice to meet you!</strong>[/CODE]</div> </body> </html> EOT; echo preg_replace($pattern, $replacement, $subject);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: preg_replace(): Argument #2 ($replacement) must be of type array|string, Closure given in /in/6KK9G:15 Stack trace: #0 /in/6KK9G(15): preg_replace('/\\[CODE\\](.*)\\[...', Object(Closure), '<html>\n<body>\n<...') #1 {main} thrown in /in/6KK9G on line 15
Process exited with code 255.
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 Fatal error: Uncaught TypeError: preg_replace(): Argument #2 ($replacement) must be of type array|string, Closure given in /in/6KK9G:15 Stack trace: #0 /in/6KK9G(15): preg_replace('/\\[CODE\\](.*)\\[...', Object(Closure), '<html>\n<body>\n<...') #1 {main} thrown in /in/6KK9G on line 15
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Object of class Closure could not be converted to string in /in/6KK9G:15 Stack trace: #0 /in/6KK9G(15): preg_replace('/\\[CODE\\](.*)\\[...', Object(Closure), '<html>\n<body>\n<...') #1 {main} thrown in /in/6KK9G on line 15
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class Closure could not be converted to string in /in/6KK9G on line 15
Process exited with code 255.
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20
Catchable fatal error: Object of class Closure could not be converted to string in /in/6KK9G on line 15
Process exited with code 255.

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