Scalar Type Hints

Zend/tests/is_a.phpt

@@ -12,21 +12,21 @@ function __autoload($name) {
 class BASE {
 }
 
-interface INT {
+interface I {
 }
 
-class A extends BASE implements INT {
+class A extends BASE implements I {
 }
 
 $a = new A;
 var_dump(is_a($a, "B1"));
 var_dump(is_a($a, "A"));
 var_dump(is_a($a, "BASE"));
-var_dump(is_a($a, "INT"));
+var_dump(is_a($a, "I"));
 var_dump(is_subclass_of($a, "B2"));
 var_dump(is_subclass_of($a, "A"));
 var_dump(is_subclass_of($a, "BASE"));
-var_dump(is_subclass_of($a, "INT"));
+var_dump(is_subclass_of($a, "I"));
 
 var_dump(is_subclass_of("X1", "X2"));
 ?>

Zend/tests/typehints/scalar_aliases.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Scalar type hint aliases
+--FILE--
+<?php
+
+function foo(integer $a, boolean $b) {
+    var_dump($a, $b);
+}
+
+function bar(int $a, bool $b) {
+    var_dump($a, $b);
+}
+
+foo(1, true);
+bar(1, true);
+--EXPECT--
+int(1)
+bool(true)
+int(1)
+bool(true)

Zend/tests/typehints/scalar_basic.phpt

@@ -0,0 +1,241 @@
+--TEST--
+Scalar type hint basics
+--FILE--
+<?php
+
+$errnames = [
+    E_NOTICE => 'E_NOTICE',
+    E_WARNING => 'E_WARNING',
+    E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR'
+];
+set_error_handler(function (int $errno, string $errmsg, string $file, int $line) use ($errnames) {
+    echo "$errnames[$errno]: $errmsg on line $line\n";
+    return true;
+});
+
+$functions = [
+    'int' => function (int $i) { return $i; },
+    'float' => function (float $f) { return $f; },
+    'string' => function (string $s) { return $s; },
+    'bool' => function (bool $b) { return $b; }
+];
+
+class Stringable {
+    public function __toString() {
+        return "foobar";
+    }
+}
+
+$values = [
+    1,
+    "1",
+    1.0,
+    1.5,
+    "1a",
+    "a",
+    "",
+    PHP_INT_MAX,
+    NAN,
+    TRUE,
+    FALSE,
+    NULL,
+    [],
+    new StdClass,
+    new Stringable,
+    fopen("data:text/plain,foobar", "r")
+];
+
+foreach ($functions as $type => $function) {
+    echo PHP_EOL, "Testing '$type' typehint:", PHP_EOL;
+    foreach ($values as $value) {
+        echo "*** Trying ";
+        var_dump($value);
+        var_dump($function($value));
+    }
+}
+--EXPECTF--
+
+Testing 'int' typehint:
+*** Trying int(1)
+int(1)
+*** Trying string(1) "1"
+int(1)
+*** Trying float(1)
+int(1)
+*** Trying float(1.5)
+int(1)
+*** Trying string(2) "1a"
+E_NOTICE: A non well formed numeric value encountered on line %d
+int(1)
+*** Trying string(1) "a"
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, string given, called in %s on line %d and defined on line %d
+string(1) "a"
+*** Trying string(0) ""
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, string given, called in %s on line %d and defined on line %d
+string(0) ""
+*** Trying int(%d)
+int(%d)
+*** Trying float(NAN)
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, float given, called in %s on line %d and defined on line %d
+float(NAN)
+*** Trying bool(true)
+int(1)
+*** Trying bool(false)
+int(0)
+*** Trying NULL
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, null given, called in %s on line %d and defined on line %d
+NULL
+*** Trying array(0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, array given, called in %s on line %d and defined on line %d
+array(0) {
+}
+*** Trying object(stdClass)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, object given, called in %s on line %d and defined on line %d
+object(stdClass)#%s (0) {
+}
+*** Trying object(Stringable)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, object given, called in %s on line %d and defined on line %d
+object(Stringable)#%s (0) {
+}
+*** Trying resource(%d) of type (stream)
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, resource given, called in %s on line %d and defined on line %d
+resource(%d) of type (stream)
+
+Testing 'float' typehint:
+*** Trying int(1)
+float(1)
+*** Trying string(1) "1"
+float(1)
+*** Trying float(1)
+float(1)
+*** Trying float(1.5)
+float(1.5)
+*** Trying string(2) "1a"
+E_NOTICE: A non well formed numeric value encountered on line %d
+float(1)
+*** Trying string(1) "a"
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, string given, called in %s on line %d and defined on line %d
+string(1) "a"
+*** Trying string(0) ""
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, string given, called in %s on line %d and defined on line %d
+string(0) ""
+*** Trying int(%d)
+float(%s)
+*** Trying float(NAN)
+float(NAN)
+*** Trying bool(true)
+float(1)
+*** Trying bool(false)
+float(0)
+*** Trying NULL
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, null given, called in %s on line %d and defined on line %d
+NULL
+*** Trying array(0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, array given, called in %s on line %d and defined on line %d
+array(0) {
+}
+*** Trying object(stdClass)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, object given, called in %s on line %d and defined on line %d
+object(stdClass)#%s (0) {
+}
+*** Trying object(Stringable)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, object given, called in %s on line %d and defined on line %d
+object(Stringable)#%s (0) {
+}
+*** Trying resource(%d) of type (stream)
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, resource given, called in %s on line %d and defined on line %d
+resource(%d) of type (stream)
+
+Testing 'string' typehint:
+*** Trying int(1)
+string(1) "1"
+*** Trying string(1) "1"
+string(1) "1"
+*** Trying float(1)
+string(1) "1"
+*** Trying float(1.5)
+string(3) "1.5"
+*** Trying string(2) "1a"
+string(2) "1a"
+*** Trying string(1) "a"
+string(1) "a"
+*** Trying string(0) ""
+string(0) ""
+*** Trying int(%d)
+string(%d) "%d"
+*** Trying float(NAN)
+string(3) "NAN"
+*** Trying bool(true)
+string(1) "1"
+*** Trying bool(false)
+string(0) ""
+*** Trying NULL
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, null given, called in %s on line %d and defined on line %d
+NULL
+*** Trying array(0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, array given, called in %s on line %d and defined on line %d
+array(0) {
+}
+*** Trying object(stdClass)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, object given, called in %s on line %d and defined on line %d
+object(stdClass)#%s (0) {
+}
+*** Trying object(Stringable)#%s (0) {
+}
+string(6) "foobar"
+*** Trying resource(%d) of type (stream)
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, resource given, called in %s on line %d and defined on line %d
+resource(%d) of type (stream)
+
+Testing 'bool' typehint:
+*** Trying int(1)
+bool(true)
+*** Trying string(1) "1"
+bool(true)
+*** Trying float(1)
+bool(true)
+*** Trying float(1.5)
+bool(true)
+*** Trying string(2) "1a"
+bool(true)
+*** Trying string(1) "a"
+bool(true)
+*** Trying string(0) ""
+bool(false)
+*** Trying int(%d)
+bool(true)
+*** Trying float(NAN)
+bool(true)
+*** Trying bool(true)
+bool(true)
+*** Trying bool(false)
+bool(false)
+*** Trying NULL
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, null given, called in %s on line %d and defined on line %d
+NULL
+*** Trying array(0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, array given, called in %s on line %d and defined on line %d
+array(0) {
+}
+*** Trying object(stdClass)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, object given, called in %s on line %d and defined on line %d
+object(stdClass)#%s (0) {
+}
+*** Trying object(Stringable)#%s (0) {
+}
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, object given, called in %s on line %d and defined on line %d
+object(Stringable)#%s (0) {
+}
+*** Trying resource(%d) of type (stream)
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, resource given, called in %s on line %d and defined on line %d
+resource(%d) of type (stream)

Zend/tests/typehints/scalar_none.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Scalar type hint missing parameters
+--FILE--
+<?php
+
+$errnames = [
+    E_NOTICE => 'E_NOTICE',
+    E_WARNING => 'E_WARNING',
+    E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR'
+];
+set_error_handler(function (int $errno, string $errmsg, string $file, int $line) use ($errnames) {
+    echo "$errnames[$errno]: $errmsg on line $line\n";
+    return true;
+});
+
+$functions = [
+    'int' => function (int $i) { return $i; },
+    'float' => function (float $f) { return $f; },
+    'string' => function (string $s) { return $s; },
+    'bool' => function (bool $b) { return $b; },
+    'int nullable' => function (int $i = NULL) { return $i; },
+    'float nullable' => function (float $f = NULL) { return $f; },
+    'string nullable' => function (string $s = NULL) { return $s; },
+    'bool nullable' => function (bool $b = NULL) { return $b; }
+];
+
+foreach ($functions as $type => $function) {
+    echo "Testing $type:", PHP_EOL;
+    var_dump($function());
+}
+--EXPECTF--
+Testing int:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, none given, called in %s on line %d and defined on line %d
+E_NOTICE: Undefined variable: i on line %d
+NULL
+Testing float:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, none given, called in %s on line %d and defined on line %d
+E_NOTICE: Undefined variable: f on line %d
+NULL
+Testing string:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, none given, called in %s on line %d and defined on line %d
+E_NOTICE: Undefined variable: s on line %d
+NULL
+Testing bool:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, none given, called in %s on line %d and defined on line %d
+E_NOTICE: Undefined variable: b on line %d
+NULL
+Testing int nullable:
+NULL
+Testing float nullable:
+NULL
+Testing string nullable:
+NULL
+Testing bool nullable:
+NULL

Zend/tests/typehints/scalar_null.phpt

@@ -0,0 +1,51 @@
+--TEST--
+Scalar type hint nullability
+--FILE--
+<?php
+
+$errnames = [
+    E_NOTICE => 'E_NOTICE',
+    E_WARNING => 'E_WARNING',
+    E_RECOVERABLE_ERROR => 'E_RECOVERABLE_ERROR'
+];
+set_error_handler(function (int $errno, string $errmsg, string $file, int $line) use ($errnames) {
+    echo "$errnames[$errno]: $errmsg on line $line\n";
+    return true;
+});
+
+$functions = [
+    'int' => function (int $i) { return $i; },
+    'float' => function (float $f) { return $f; },
+    'string' => function (string $s) { return $s; },
+    'bool' => function (bool $b) { return $b; },
+    'int nullable' => function (int $i = NULL) { return $i; },
+    'float nullable' => function (float $f = NULL) { return $f; },
+    'string nullable' => function (string $s = NULL) { return $s; },
+    'bool nullable' => function (bool $b = NULL) { return $b; }
+];
+
+foreach ($functions as $type => $function) {
+    echo "Testing $type:", PHP_EOL;
+    var_dump($function(NULL));
+}
+--EXPECTF--
+Testing int:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type integer, null given, called in %s on line %d and defined on line %d
+NULL
+Testing float:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type float, null given, called in %s on line %d and defined on line %d
+NULL
+Testing string:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type string, null given, called in %s on line %d and defined on line %d
+NULL
+Testing bool:
+E_RECOVERABLE_ERROR: Argument 1 passed to {closure}() must be of the type boolean, null given, called in %s on line %d and defined on line %d
+NULL
+Testing int nullable:
+NULL
+Testing float nullable:
+NULL
+Testing string nullable:
+NULL
+Testing bool nullable:
+NULL