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<?php class system_tags { function __call($name, $params) { return 'TAG ' . $name; } } class App { function run() { // Prerequisites. $system_tags = new system_tags(); $code = new \stdClass(); $code->tags = array( 'hello' => 'HELLO', 'world' => 'WORLD', ); $this->template = 'Blah blah {hello} blah blah {world}.'; $this->withStrReplace($code, $system_tags); $this->template = 'Blah blah {hello} blah blah {world}.'; $this->withRegexReplaceCallback($code, $system_tags); } function withStrReplace($code, $system_tags) { foreach($core->tags as $tag_name => $tag_method) { $this->template = str_replace( '{' . $tag_name . '}', $system_tags->{$tag_method}(), $this->template ); } } function withRegexReplaceCallback($code, $system_tags) { $callback = static function ($matches) use (& $tag_method, $system_tags) { return $system_tags->{$tag_method}(); }; foreach($core->tags as $tag_name => $tag_method) { $this->template = preg_replace_callback( '/\{' . preg_quote($tag_name) . '\}/', $callback, $this->template ); } echo $this->template . "\n<br>"; } }
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 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
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
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_FUNCTION, expecting T_PAAMAYIM_NEKUDOTAYIM in /in/hpSni on line 42
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/hpSni on line 15 Parse error: syntax error, unexpected T_STATIC in /in/hpSni on line 42
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/hpSni on line 15 Parse error: parse error, unexpected T_STATIC in /in/hpSni on line 42
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/hpSni on line 15 Parse error: parse error in /in/hpSni on line 42
Process exited with code 255.

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