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Operators and statements (identical to Java !!!)

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• Operators (identical to Java)
  • The operators in PHP are identical to the operators in Java .

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  • Examples:

    <?php $b = 3 * 3 % 5; $b = $a++ + 23; $a = ++$b - 23; ?>

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• Statements (identical to Java)
  • Assignment statement:

    Syntax: $varName = expression ; Examples: $r = 4.0; $area = 3.14 * $r * $r ;

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  • If statement:

    Syntax: if ( expr ) statement Examples: if ( $a > $b ) { print ( "a is larger than b" ); }

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  • Elseif statement:

    Syntax: if ( expr ) statement elseif ( expre ) statement [else (optional) statement] Examples: if ( $a > $b ) { print ( "a is larger than b\n" ); } elseif ( $a < $b ) { print ( "a is smaller than b\n" ); } [else # Optional else part { print ( "a is equal to b\n" ); }]

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  • While statement:

    Syntax: while ( expr ) statement Examples: $a = 0; while ( $a < 10 ) { print($a . "\n"); $a++; }

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  • For statement:

    Syntax: for ( expr1 ; expr2 ; expr3 ) statement Examples: for ( $a = 0 ; $a < 10 ; $a++ ) { print($a . "\n"); }

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  • break and continue:

    These statements are the same as in Java

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    (Not much to learn on statement syntax.... That's why I chose PHP for web-programming !!!)