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<?php class Foo { public $pos = 0; public $str; function __construct($str) { $this->str = $str; $this->current = $this->lookAhead(); } function isLineBreak() { if ("\r" !== $this->current && "\n" !== $this->current) { return false; } $char = $this->current; do { $brk = ("\n" === $char); $char = $this->lookAhead(); switch ($char) { case " ": return false; case "\n": if ($brk) { return true; } break; default: return $brk; } } while (true); } function lookAhead() { return mb_strcut($this->str, $this->pos++, 1); } } function crlf($str) { var_dump("$str: "); $foo = new Foo($str); return $foo->isLineBreak(); } var_dump(crlf("\r\n")); var_dump(crlf("\r\n ")); var_dump(crlf("\r\r\n")); var_dump(crlf("\n\n")); var_dump(crlf("\r\n\n")); var_dump(crlf("\r\n8")); var_dump(crlf("\n")); var_dump(crlf("\n "));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(4) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(true) string(5) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(false) string(5) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(false) string(4) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(true) string(5) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(true) string(5) " 8: " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(true) string(3) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(true) string(4) " : " Deprecated: Creation of dynamic property Foo::$current is deprecated in /in/h5iSD on line 10 bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 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
string(4) " : " bool(true) string(5) " : " bool(false) string(5) " : " bool(false) string(4) " : " bool(true) string(5) " : " bool(true) string(5) " 8: " bool(true) string(3) " : " bool(true) string(4) " : " bool(false)
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/h5iSD</b> on line <b>5</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/h5iSD</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/h5iSD</b> on line <b>5</b><br />
Process exited with code 255.
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