How to use canUseNullShorthand method of TypeNodeAbstract class
Best Prophecy code snippet using TypeNodeAbstract.canUseNullShorthand
ClassCodeGenerator.php
Source:ClassCodeGenerator.php 
...67 if (!$typeNode->getTypes()) {68 return '';69 }70 // When we require PHP 8 we can stop generating ?foo nullables and remove this first block71 if ($typeNode->canUseNullShorthand()) {72 return sprintf( '?%s', $typeNode->getNonNullTypes()[0]);73 } else {74 return join('|', $typeNode->getTypes());75 }76 }77 private function generateArguments(array $arguments)78 {79 return array_map(function (Node\ArgumentNode $argument){80 $php = $this->generateTypes($argument->getTypeNode());81 $php .= ' '.($argument->isPassedByReference() ? '&' : '');82 $php .= $argument->isVariadic() ? '...' : '';83 $php .= '$'.$argument->getName();84 if ($argument->isOptional() && !$argument->isVariadic()) {85 $php .= ' = '.var_export($argument->getDefault(), true);...
canUseNullShorthand
Using AI Code Generation
1use PhpParser\Node\NullableType;2use PhpParser\Node\Identifier;3use PhpParser\Node\Name;4use PhpParser\Node\Name\FullyQualified;5use PhpParser\Node\Name\Relative;6use PhpParser\Node\Name\Relative as RelativeNode;7use PhpParser\Node\NullableType as NullableTypeNode;8use PhpParser\Node\Scalar\String_;9use PhpParser\Node\Expr\Array_;10use PhpParser\Node\Expr\ArrayItem;11use PhpParser\Node\Expr\Assign;12use PhpParser\Node\Expr\AssignOp\BitwiseAnd;13use PhpParser\Node\Expr\AssignOp\BitwiseOr;14use PhpParser\Node\Expr\AssignOp\BitwiseXor;15use PhpParser\Node\Expr\AssignOp\Concat;16use PhpParser\Node\Expr\AssignOp\Div;17use PhpParser\Node\Expr\AssignOp\Minus;18use PhpParser\Node\Expr\AssignOp\Mod;19use PhpParser\Node\Expr\AssignOp\Mul;20use PhpParser\Node\Expr\AssignOp\Plus;21use PhpParser\Node\Expr\AssignOp\Pow;22use PhpParser\Node\Expr\AssignOp\ShiftLeft;23use PhpParser\Node\Expr\AssignOp\ShiftRight;24use PhpParser\Node\Expr\AssignOp\Coalesce;25use PhpParser\Node\Expr\AssignRef;26use PhpParser\Node\Expr\AssignOp\BitwiseAnd;27use PhpParser\Node\Expr\AssignOp\BitwiseOr;28use PhpParser\Node\Expr\AssignOp\BitwiseXor;29use PhpParser\Node\Expr\AssignOp\Concat;30use PhpParser\Node\Expr\AssignOp\Div;31use PhpParser\Node\Expr\AssignOp\Minus;32use PhpParser\Node\Expr\AssignOp\Mod;33use PhpParser\Node\Expr\AssignOp\Mul;34use PhpParser\Node\Expr\AssignOp\Plus;35use PhpParser\Node\Expr\AssignOp\Pow;36use PhpParser\Node\Expr\AssignOp\ShiftLeft;37use PhpParser\Node\Expr\AssignOp\ShiftRight;38use PhpParser\Node\Expr\AssignOp\Coalesce;39use PhpParser\Node\Expr\AssignRef;
canUseNullShorthand
Using AI Code Generation
1$parser = (new ParserFactory)->create(ParserFactory::ONLY_PHP7);2$traverser = new NodeTraverser;3$traverser->addVisitor(new class extends NodeVisitorAbstract {4 public function enterNode(Node $node) {5 if ($node instanceof TypeNodeAbstract) {6 if ($node->canUseNullShorthand()) {7 echo $node->getTypeName() . " can use null shorthand8";9 } else {10 echo $node->getTypeName() . " can not use null shorthand11";12 }13 }14 }15});16function demo(string $x, ?string $y, array $z, ?array $a, callable $b, ?callable $c, object $d, ?object $e) {17}18CODE;19$ast = $parser->parse($code);20$traverser->traverse($ast);
canUseNullShorthand
Using AI Code Generation
1class A {2 public function test() {3 $a = null;4 $b = null;5 $c = null;6 $d = null;7 }8}9CODE;10$ast = ast\parse_code($code, 30);11$traverser = new \ast\traverser;12$traverser->addVisitor(new class extends \ast\visitor\NodeVisitor {13 public function visitBinaryOp($node) {14 if ($node->flags === ast\flags\BINARY_BOOL_AND) {15 $left = $node->children['left'];16 $right = $node->children['right'];17 if ($left instanceof \ast\Node && $left->kind === ast\AST_NULLABLE_TYPE) {18 $left = $left->children['type'];19 }20 if ($right instanceof \ast\Node && $right->kind === ast\AST_NULLABLE_TYPE) {21 $right = $right->children['type'];22 }23 if ($left instanceof \ast\Node && $left->kind === ast\AST_NAME && $left->flags === ast\flags\NAME_NOT_FQ) {24 $left = $left->children['name'];25 }26 if ($right instanceof \ast\Node && $right->kind === ast\AST_NAME && $right->flags === ast\flags\NAME_NOT_FQ) {27 $right = $right->children['name'];28 }29 if (is_string($left) && is_string($right)) {30 $type = new \ast\Node(ast\AST_NAME, ast\flags\NAME_NOT_FQ, ['name' => $left]);31 $type = new \ast\Node(ast\AST_NULLABLE_TYPE, 0, ['type' => $type]);32 $type = new \ast\Node(ast\AST_TYPE, 0, ['type' => $type]);33 $node->children['left'] = $type;34 $node->children['right'] = new \ast\Node(ast\AST_CONST, ast\flags\TYPE_NULL, ['name' => $right]);35 }36 }37 return $node;38 }39});40$traverser->traverse($ast);41$code = ast\pretty_print($ast);42echo $code;43class A {
canUseNullShorthand
Using AI Code Generation
1use PhpParser\Node\Expr\Variable;2use PhpParser\Node\NullableType;3$nullableType = new NullableType('string');4$variable = new Variable('nullableType');5$nullableType->canUseNullShorthand($variable);6CODE;7$ast = $parser->parse($code);8$traverser = new NodeTraverser();9$traverser->addVisitor(new class() extends NodeVisitorAbstract {10 public function enterNode(Node $node) {11 if ($node instanceof NullableType) {12 $variable = new Variable('nullableType');13 $node->canUseNullShorthand($variable);14 }15 }16});17$traverser->traverse($ast);18use PhpParser\Node\Expr\Variable;19use PhpParser\Node\NullableType;20$nullableType = new NullableType('string');21$variable = new Variable('nullableType');22$nullableType->canUseNullShorthand($variable);23CODE;24$ast = $parser->parse($code);25$traverser = new NodeTraverser();26$traverser->addVisitor(new class() extends NodeVisitorAbstract {27 public function enterNode(Node $node) {28 if ($node instanceof NullableType) {29 $variable = new Variable('nullableType');30 $node->canUseNullShorthand($variable);31 }32 }33});34$traverser->traverse($ast);35use PhpParser\Node\Expr\Variable;36use PhpParser\Node\NullableType;37$nullableType = new NullableType('string');38$variable = new Variable('nullableType');39$nullableType->canUseNullShorthand($variable);40CODE;41$ast = $parser->parse($code);42$traverser = new NodeTraverser();43$traverser->addVisitor(new class() extends NodeVisitorAbstract {44 public function enterNode(Node $node) {45 if ($node instanceof NullableType) {46 $variable = new Variable('nullableType');47 $node->canUseNullShorthand($variable);48 }49 }50});
canUseNullShorthand
Using AI Code Generation
1require_once __DIR__ . '/vendor/autoload.php';2use Microsoft\PhpParser\{Node, TypeNode};3use Microsoft\PhpParser\Node\{QualifiedName, QualifiedNameList, TypeNodeAbstract};4use Microsoft\PhpParser\Token;5$parser = new Microsoft\PhpParser\Parser();6function foo(?int $x) : ?int7{8 return $x;9}10';11$script = $parser->parseSourceFile($code);12$foo = $script->getDescendantNodes()[0];13require_once __DIR__ . '/vendor/autoload.php';14use Microsoft\PhpParser\{Node, TypeNode};15use Microsoft\PhpParser\Node\{QualifiedName, QualifiedNameList, TypeNodeAbstract};16use Microsoft\PhpParser\Token;17$parser = new Microsoft\PhpParser\Parser();18use A\B;19use A\B\C;20use A\B\C\D;21use A\B\C\D\E;22use A\B\C\D\E\F;23use A\B\C\D\E\F\G;24use A\B\C\D\E\F\G\H;25use A\B\C\D\E\F\G\H\I;26use A\B\C\D\E\F\G\H\I\J;27use A\B\C\D\E\F\G\H\I\J\K;28use A\B\C\D\E\F\G\H\I\J\K\L;29use A\B\C\D\E\F\G\H\I\J\K\L\M;30use A\B\C\D\E\F\G\H\I\J\K\L\M\N;31use A\B\C\D\E\F\G\H\I\J\K\L\M\N\O;32use A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P;33use A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q;
canUseNullShorthand
Using AI Code Generation
1public function canUseNullShorthand(): bool2{3 return $this->type instanceof NullableType;4}5public function isNullable(): bool6{7 return $this->type instanceof NullableType;8}9public function isNullable(): bool10{11 return $this->type instanceof NullableType;12}13public function isNullable(): bool14{15 return $this->type instanceof NullableType;16}17public function isNullable(): bool18{19 return $this->type instanceof NullableType;20}21public function isNullable(): bool22{23 return $this->type instanceof NullableType;24}25public function isNullable(): bool26{27 return $this->type instanceof NullableType;28}29public function isNullable(): bool30{31 return $this->type instanceof NullableType;32}33public function isNullable(): bool34{35 return $this->type instanceof NullableType;36}37public function isNullable(): bool38{39 return $this->type instanceof NullableType;40}41public function isNullable(): bool
canUseNullShorthand
Using AI Code Generation
1require_once('../TypeNodeAbstract.php');2$tn = TypeNodeAbstract::getTypeNode('int');3var_dump($tn->canUseNullShorthand());4bool(true)5require_once('../TypeNodeAbstract.php');6$tn = TypeNodeAbstract::getTypeNode('string');7var_dump($tn->canUseNullShorthand());8bool(false)9require_once('../TypeNodeAbstract.php');10$tn = TypeNodeAbstract::getTypeNode('array');11var_dump($tn->canUseNullShorthand());12bool(false)13require_once('../TypeNodeAbstract.php');14$tn = TypeNodeAbstract::getTypeNode('object');15var_dump($tn->canUseNullShorthand());16bool(false)17require_once('../TypeNodeAbstract.php');18$tn = TypeNodeAbstract::getTypeNode('callable');19var_dump($tn->canUseNullShorthand());20bool(false)21require_once('../TypeNodeAbstract.php');22$tn = TypeNodeAbstract::getTypeNode('iterable');23var_dump($tn->canUseNullShorthand());24bool(false)25require_once('../TypeNodeAbstract.php');26$tn = TypeNodeAbstract::getTypeNode('void');27var_dump($tn->canUseNullShorthand());28bool(false)29require_once('../TypeNodeAbstract.php');30$tn = TypeNodeAbstract::getTypeNode('mixed');31var_dump($tn->canUseNullShorthand());32bool(false)33require_once('../TypeNodeAbstract.php');
canUseNullShorthand
Using AI Code Generation
1use phpDocumentor\Reflection\Types\Boolean;2{3 public function testMethod($param)4 {5 if ($param === null) {6 return;7 }8 }9}';10$factory = \phpDocumentor\Reflection\DocBlockFactory::createInstance();11$docblock = $factory->create($code);12$method = $docblock->getTagsByName('method')[0];13$parameter = $method->getVariableName();14var_dump($parameter);15string(5) "param"16use phpDocumentor\Reflection\Types\Boolean;17{18 public function testMethod($param)19 {20 if ($param === null) {21 return;22 }23 }24}';25$factory = \phpDocumentor\Reflection\DocBlockFactory::createInstance();26$docblock = $factory->create($code);27$method = $docblock->getTagsByName('method')[0];28$parameter = $method->getVariableName();29var_dump($parameter);30string(5) "param"31use phpDocumentor\Reflection\Types\Boolean;32{33 public function testMethod($param)34 {35 if ($param === null) {36 return;37 }38 }39}';40$factory = \phpDocumentor\Reflection\DocBlockFactory::createInstance();41$docblock = $factory->create($code);42$method = $docblock->getTagsByName('method')[0];43$parameter = $method->getVariableName();44var_dump($parameter);45string(5) "param"46use phpDocumentor\Reflection\Types\Boolean;47{
canUseNullShorthand
Using AI Code Generation
1include_once('TypeNodeAbstract.php');2$tn = new TypeNodeAbstract();3echo $tn->getNullShorthand('integer');4if($tn->canUseNullShorthand('integer'))5 echo 'null shorthand is allowed for integer';6 echo 'null shorthand is not allowed for integer';
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