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|
==============================
If statements
==============================
<?php
if ($a > 0) {
echo "Yes";
}
if ($a==0) {
echo "bad";
} else {
echo "good";
}
if ($a==0) {
echo "bad";
} elseif ($a==3) {
echo "bad";
} else {
echo "good";
}
---
(program
(php_tag)
(if_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (compound_statement (echo_statement (encapsed_string (string_content)))))
(if_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (compound_statement (echo_statement (encapsed_string (string_content))))
alternative: (else_clause
body: (compound_statement (echo_statement (encapsed_string (string_content))))))
(if_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (compound_statement (echo_statement (encapsed_string (string_content))))
alternative: (else_if_clause
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (compound_statement (echo_statement (encapsed_string (string_content)))))
alternative: (else_clause
body: (compound_statement (echo_statement (encapsed_string (string_content)))))))
==============================
Alternative if statements
==============================
<?php
if ($a) echo 1; else echo 0;
if ($a):
echo 1;
echo 2;
else:
echo 0;
endif;
---
(program
(php_tag)
(if_statement
condition: (parenthesized_expression (variable_name (name)))
body: (echo_statement (integer))
alternative: (else_clause
body: (echo_statement (integer))))
(if_statement
condition: (parenthesized_expression (variable_name (name)))
body: (colon_block
(echo_statement (integer))
(echo_statement (integer)))
alternative: (else_clause
body: (colon_block
(echo_statement (integer))))))
==============================
While statements
==============================
<?php
while ($a < 10) {
echo $a;
$a++;
}
---
(program
(php_tag)
(while_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (compound_statement
(echo_statement (variable_name (name)))
(expression_statement (update_expression argument: (variable_name (name)))))))
==============================
Alternative while statements
==============================
<?php
while ($a<5) echo $a++;
while ($a<9):
echo ++$a;
echo $b;
endwhile;
---
(program
(php_tag)
(while_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (echo_statement (update_expression argument: (variable_name (name)))))
(while_statement
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))
body: (colon_block
(echo_statement (update_expression argument: (variable_name (name))))
(echo_statement (variable_name (name))))))
==============================
For statements
==============================
<?php
for($a=0;$a<5;$a++) echo $a;
for($a=0;$a<5;$a++):
echo $a;
endfor;
for($a=0;$a<5;$a++) {
echo $a;
}
---
(program
(php_tag)
(for_statement
initialize: (assignment_expression
left: (variable_name (name))
right: (integer))
condition: (binary_expression
left: (variable_name (name))
right: (integer))
update: (update_expression argument: (variable_name (name)))
body: (echo_statement (variable_name (name))))
(for_statement
initialize: (assignment_expression
left: (variable_name (name))
right: (integer))
condition: (binary_expression
left: (variable_name (name))
right: (integer))
update: (update_expression argument: (variable_name (name)))
body: (echo_statement (variable_name (name))))
(for_statement
initialize: (assignment_expression
left: (variable_name
(name))
right: (integer))
condition: (binary_expression
left: (variable_name
(name))
right: (integer))
update: (update_expression
argument: (variable_name
(name)))
body: (compound_statement
(echo_statement
(variable_name
(name))))))
==============================
Switch statements
==============================
<?php
switch ($a) {
case 0:
echo "bad";
break;
case 1:
echo "good";
break;
default:
echo "bad";
break;
}
---
(program
(php_tag)
(switch_statement
condition: (parenthesized_expression (variable_name (name)))
body: (switch_block
(case_statement
value: (integer)
(echo_statement (encapsed_string (string_content))) (break_statement))
(case_statement
value: (integer)
(echo_statement (encapsed_string (string_content))) (break_statement))
(default_statement
(echo_statement (encapsed_string (string_content))) (break_statement)))))
==============================
Alternative switch statements
==============================
<?php
switch ($a):
case 0;
echo 0;
break;
case 5:
echo 1;
break;
default;
echo 0;
break;
endswitch;
---
(program
(php_tag)
(switch_statement
condition: (parenthesized_expression (variable_name (name)))
body: (switch_block
(case_statement
value: (integer)
(echo_statement (integer))
(break_statement))
(case_statement
value: (integer)
(echo_statement (integer))
(break_statement))
(default_statement
(echo_statement (integer))
(break_statement)))))
==============================
Include statement
==============================
<?php
include "015.inc";
---
(program
(php_tag)
(expression_statement (include_expression (encapsed_string (string_content)))))
==============================
Do-while statements
==============================
<?php
do {
echo $i;
$i--;
} while($i>0);
---
(program
(php_tag)
(do_statement
body: (compound_statement
(echo_statement (variable_name (name)))
(expression_statement (update_expression argument: (variable_name (name)))))
condition: (parenthesized_expression (binary_expression
left: (variable_name (name))
right: (integer)))))
==============================
Try statements
==============================
<?php
try {
} catch (MyException) {
} catch (OtherException|YetAnotherException $e) {
} finally {
}
try {
ThrowException();
} catch (MyException $exception) {
print "There was an exception: " . $exception->getException();
print "\n";
}
---
(program
(php_tag)
(try_statement
body: (compound_statement)
(catch_clause
type: (type_list
(named_type (name))
)
body: (compound_statement))
(catch_clause
type: (type_list
(named_type (name))
(named_type (name))
)
name: (variable_name (name))
body: (compound_statement))
(finally_clause
body: (compound_statement)))
(try_statement
body: (compound_statement
(expression_statement (function_call_expression
function: (name)
arguments: (arguments))))
(catch_clause
type: (type_list
(named_type (name))
)
name: (variable_name (name))
body: (compound_statement
(expression_statement (print_intrinsic (binary_expression
left: (encapsed_string (string_content))
right: (member_call_expression
object: (variable_name (name))
name: (name)
arguments: (arguments)))))
(expression_statement (print_intrinsic (encapsed_string (escape_sequence))))))))
==============================
Foreach statements
==============================
<?php
foreach ($a as $b[0]) {
echo $b[0]."\n";
}
foreach($arr as $key => $value);
foreach($a as $b):
echo $a;
echo $b;
endforeach;
---
(program
(php_tag)
(foreach_statement
(variable_name (name))
(subscript_expression (variable_name (name)) (integer))
body: (compound_statement
(echo_statement (binary_expression
left: (subscript_expression (variable_name (name)) (integer))
right: (encapsed_string (escape_sequence))))))
(foreach_statement
(variable_name (name))
(pair (variable_name (name)) (variable_name (name))))
(foreach_statement
(variable_name (name))
(variable_name (name))
body: (colon_block
(echo_statement (variable_name (name)))
(echo_statement (variable_name (name))))))
=================================
Case insensitive keywords
=================================
<?php
FOREACH ($a AS $b) {
DO {
if ($c) {
d();
} else {
e();
}
} while ($f);
}
---
(program
(php_tag)
(foreach_statement
(variable_name (name))
(variable_name (name))
(compound_statement
(do_statement
(compound_statement
(if_statement
(parenthesized_expression (variable_name (name)))
(compound_statement
(expression_statement (function_call_expression (name) (arguments))))
(else_clause
(compound_statement
(expression_statement (function_call_expression (name) (arguments)))))))
(parenthesized_expression (variable_name (name)))))))
=========================================
Accessing Constants
=========================================
<?php
echo ANOTHER_CONST;
echo ANIMALS[1];
---
(program
(php_tag)
(echo_statement
(name)
)
(echo_statement
(subscript_expression
(name)
(integer)
)
)
)
=========================================
Named label and goto statement
=========================================
<?php
foo:
goto foo;
---
(program
(php_tag)
(named_label_statement (name))
(goto_statement (name)))
=========================================
Exit statements
=========================================
<?php
exit;
exit();
exit(1);
exit('Goodbye');
---
(program
(php_tag)
(exit_statement)
(exit_statement)
(exit_statement (integer))
(exit_statement (string (string_content))))
|
