# Booleans

<?php
True;
true;
TRUE;
false;
False;
FALSE;
?>

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(Boolean),
  ExpressionStatement(Boolean),
  ExpressionStatement(Boolean),
  ExpressionStatement(Boolean),
  ExpressionStatement(Boolean),
  ExpressionStatement(Boolean),
  TextInterpolation(PhpClose))

# Floats

<?php

1.0;
1E432;
1.0E-3432;
1423.0E3432;
.5;
6.674_083e11;
107_925_284.88;

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(Float),
  ExpressionStatement(Float),
  ExpressionStatement(Float),
  ExpressionStatement(Float),
  ExpressionStatement(Float),
  ExpressionStatement(Float),
  ExpressionStatement(Float)
)

# Integers

<?php

1234;
1_234_456;
0123;
0123_456;
0x1A;
0x1A_2B_3C;
0b111111111;
0b1111_1111_1111;
0o123;

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer),
  ExpressionStatement(Integer)
)

# Testing string scanner conformance

<?php echo "\"\t\\'" . '\n\\\'a\\\b\\' ?>

==>

Template(
  TextInterpolation(PhpOpen),
  EchoStatement(echo, BinaryExpression(String(EscapeSequence, EscapeSequence, EscapeSequence), ConcatOp, String)),
  TextInterpolation(PhpClose))

# Shell command

<?php
`ls -la`;
`ls`;

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(ShellExpression),
  ExpressionStatement(ShellExpression))

# Heredocs

<?php

<<<HERE
foo #{bar}
HERE;

?>

<?php

<<<HERE
foo #{bar}
HERE;

<<<  HERE
foo #{bar}
HERE;

// Allow Heredoc as function argument
read(<<<  HERE
foo #{bar}
HERE);

read(<<<  HERE
foo #{bar}
HERE , true);

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(HeredocString),
  TextInterpolation(PhpClose,Text,PhpOpen),
  ExpressionStatement(HeredocString),
  ExpressionStatement(HeredocString),
  LineComment,
  ExpressionStatement(
    CallExpression(
      Name,
      ArgList(HeredocString)
    )
  ),
  ExpressionStatement(
    CallExpression(
      Name,
      ArgList(
        HeredocString,
        Boolean
      )
    )
  )
)

# Nowdocs

<?php

<<<'PHP'
<?php echo phpversion().PHP_SAPI;
PHP

?>

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(HeredocString),
  TextInterpolation(PhpClose))

# Unicode escape sequences

<?php

"\u{61}"; // ASCII "a" - characters below U+007F just encode as ASCII, as it's UTF-8
"\u{FF}"; // y with diaeresis
"\u{ff}"; // case-insensitive
"\u{2603}"; // Unicode snowman
"\u{1F602}"; // FACE WITH TEARS OF JOY emoji
"\u{0000001F602}"; // Leading zeroes permitted

==>

Template(
  TextInterpolation(PhpOpen),
  ExpressionStatement(String(EscapeSequence)), LineComment,
  ExpressionStatement(String(EscapeSequence)), LineComment,
  ExpressionStatement(String(EscapeSequence)), LineComment,
  ExpressionStatement(String(EscapeSequence)), LineComment,
  ExpressionStatement(String(EscapeSequence)), LineComment,
  ExpressionStatement(String(EscapeSequence)), LineComment)