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<?php ob_start(); ?> flarg blarg dlarg <!-- BEGIN DYNAMIC BLOCK: guide_greeting --> filler content <!-- END DYNAMIC BLOCK: guide_greeting --> flarg blarg dlarg <?php $content = ob_get_clean(); function getDyanmicBlockContent($content, $tag) { $boundaries = (object) [ 'start' => sprintf('<!-- BEGIN DYNAMIC BLOCK: %s -->', $tag), 'end' => sprintf('<!-- END DYNAMIC BLOCK: %s -->', $tag), ]; $results = (object) [ 'start' => stripos($content, $boundaries->start), 'end' => stripos($content, $boundaries->end), ]; if ($results->start === false || $results->end === false || $results->start > $results->end) { return null; } $substr = substr($content, 0, $boundaries->end); return $substr; } var_dump( getDyanmicBlockContent($content, 'guide_greeting') );
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: substr(): Argument #3 ($length) must be of type ?int, string given in /in/HTRhO:28 Stack trace: #0 /in/HTRhO(28): substr('flarg\nblarg\ndla...', 0, '<!-- END DYNAMI...') #1 /in/HTRhO(34): getDyanmicBlockContent('flarg\nblarg\ndla...', 'guide_greeting') #2 {main} thrown in /in/HTRhO on line 28
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: substr(): Argument #3 ($length) must be of type ?int, string given in /in/HTRhO:28 Stack trace: #0 /in/HTRhO(28): substr('flarg\nblarg\ndla...', 0, '<!-- END DYNAMI...') #1 /in/HTRhO(34): getDyanmicBlockContent('flarg\nblarg\ndla...', 'guide_greeting') #2 {main} thrown in /in/HTRhO on line 28
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: substr() expects parameter 3 to be int, string given in /in/HTRhO on line 28 NULL
Output for 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: substr() expects parameter 3 to be integer, string given in /in/HTRhO on line 28 NULL
Output for 5.6.38 - 5.6.40
Warning: substr() expects parameter 3 to be long, string given in /in/HTRhO on line 28 NULL
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172.62 ms | 401 KiB | 213 Q