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✎ Editing: SelfMemberReferenceStandard.xml ← Back

<documentation title="Self Member Reference">
 <standard>
 <![CDATA[
 The self keyword must be lowercase.
 ]]>
 </standard>
 <code_comparison>
 <code title="Valid: Lowercase self used.">
 <![CDATA[
class Bar {
 public function baz() {
 self::foo();
 }
}
 ]]>
 </code>
 <code title="Invalid: Uppercase self used.">
 <![CDATA[
class Bar {
 public function baz() {
 SELF::foo();
 }
}
 ]]>
 </code>
 </code_comparison>
 <standard>
 <![CDATA[
 There must be no spaces before or after the double colon operator.
 ]]>
 </standard>
 <code_comparison>
 <code title="Valid: No spaces around the double colon operator.">
 <![CDATA[
class Bar {
 public function baz() {
 self::foo();
 }
}
 ]]>
 </code>
 <code title="Invalid: Spaces around double colon operator.">
 <![CDATA[
class Bar {
 public function baz() {
 self :: foo();
 }
}
 ]]>
 </code>
 </code_comparison>
 <standard>
 <![CDATA[
 The self keyword must be used instead of the current class name.
 ]]>
 </standard>
 <code_comparison>
 <code title="Valid: Self used as reference.">
 <![CDATA[
class Foo {
 public function bar() {}

public function baz() {
 self::bar();
 }
}
 ]]>
 </code>
 <code title="Invalid: Local class name used as reference.">
 <![CDATA[
class Foo {
 public function bar() {}

public function baz() {
 Foo::bar();
 }
}
 ]]>
 </code>
 </code_comparison>
</documentation>

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