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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { const RE = '~ (?(DEFINE) (?P<name> (?i) [a-z_] [-a-z_0-9]*+ ) ) ^ (?: tpl (?: / (?&name) ){3} \\.tpl | (?&name) (?: / (?&name) ){0,2}+ \\.tpl ) $ ~Dxu' ; } $r = preg_match(Foo::RE, "lorem-ipsum.tpl"); if (false === $r) { echo "Fail: ", preg_last_error(); } else { var_dump($r); }
Output for 5.2.2 - 7.1.0
int(1)
Output for 5.2.0 - 5.2.1
Warning: preg_match(): Compilation failed: unrecognized character after (? at offset 123 in /in/ubBtd on line 34 Fail: 0
Output for 5.0.0 - 5.1.6
Warning: preg_match(): Compilation failed: assertion expected after (?( at offset 7 in /in/ubBtd on line 34 Fail: Fatal error: Call to undefined function preg_last_error() in /in/ubBtd on line 36
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ubBtd on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/ubBtd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/ubBtd on line 3
Process exited with code 255.