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Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
<?php // -------------------- // foo() は決してコールされることはありません。これらの演算子は短絡評価を行うからです。 $a = (false && foo()); $b = (true || foo()); $c = (false and foo()); $d = (true or foo()); // -------------------- // "||" の優先順位は "or" より高くなります // $e に代入されるのは、(false || true) の評価結果です // これは、次の式と同様です: ($e = (false || true)) $e = false || true; // $f に false を代入してから "or" 演算子を評価します // これは、次の式と同様です: (($f = false) or true) $
Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
Getting Started Introduction Asimple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces EnumerationsErrors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
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