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<?php $strs = ['%%%[[http://hello | world]] **bold**%%%', ' %%%[[http://hello | world]] **bold**%%%']; foreach ($strs as $str) { var_dump(preg_match('/^(\s{2,}).+/', $str)); var_dump(preg_match('/^\s*(```)/', $str)); var_dump(preg_match('/^\s*(```)(.*)(```)\s*$/', $str)); var_dump(preg_match('/```\s*$/', $str)); var_dump(preg_match('/^\s{2,}/', $str)); echo "--------------------\n"; }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.3.6
int(0) int(0) int(0) int(0) int(0) -------------------- int(1) int(0) int(0) int(0) int(1) --------------------
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/MTgPs on line 2
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
Parse error: parse error, unexpected '[' in /in/MTgPs on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/MTgPs on line 2
Process exited with code 255.

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