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PHP - RAQ (Rarely Asked Questions!)
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PHP - RAQ (Rarely Asked Questions!)

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I can say - You will surely learn something new in PHP after you gone through this presentation. :-)

I can say - You will surely learn something new in PHP after you gone through this presentation. :-)

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Transcript

  • 1.  
  • 2.
    • /* Question No: 1 */
    • What will be the output?
    • echo 0123 + 2;
    /* Print result */ 85
  • 3.
    • /* Question No: 2 */
    • What will be the output?
    • print <<<Sania
    • &quot;‘Team, Learn PHP!'&quot;
    • Sania;
    /* Print result */ &quot;‘Team, Learn PHP!'&quot;
  • 4.
    • /* Question No: 3 */
    • What will be the output?
    • if( '10 out of 10' == 10) {
    • echo 'equals to 10' ;
    • }
    • else {
    • echo 'not equals to 10' ;
    • }
    /* Print result */ equals to 10
  • 5.
    • /* Question No: 4 */
    • What will be the output?
    • echo (int) ((0.1 + 0.7) * 10);
    /* Print result */ 7
  • 6.
    • /* Question No: 5 */
    • What will be the output?
    • echo 'Testing ' . 1 + 2 . '45';
    /* Print result */ 245
  • 7.
    • /* Question No: 6 */
    • What will be the output?
    • $num = 10;
    • function multiply(){
    • $num = $num * 10;
    • }
    • multiply();
    • echo $num ;
    /* Print result */ 10
  • 8.
    • /* Question No: 7 */
    • What will be the output?
    • function myfunc( $argument ) {
    • echo $argument + 10;
    • }
    • $variable = 10;
    • echo &quot;myfunc($variable) = &quot; . myfunc( $variable );
    /* Print result */ 20myfunc(10) =
  • 9.
    • /* Question No: 8 */
    • What will be the output?
    • $date = '07/09/2008' ;
    • print ereg_replace (&quot;([0-9]+)/([0-9]+)/([0-9]+)&quot;,&quot;//&quot; , $date );
    /* Print result */ 09/07/2008
  • 10.
    • /* Question No: 9 */
    • What will be the output when we run the below files
    • (if no_file.php does not exist in the server)?
    • /* use_include.php */
    • include( 'no_file.php' );
    • print 'This code will print on the page';
    • /* use_require.php */
    • require( 'no_file.php' );
    • print 'This code will print on the page' ;
    /* Print result */ 1. will throw warning & print the statements 2. will throw fatal error & does not print the statement
  • 11.
    • /* Question No: 10 */
    • What will be the output?
    • $a = array ( 'zero' , 'one' , 'two' );
    • foreach ( $a as &$v ) {
    • }
    • foreach ( $a as $v ) {
    • }
    • print_r ( $a );
    /* Print result */ Array ( [0] => zero [1] => one [2] => one )
  • 12. /* Results… */ If you answered correctly for more than 6 questions… /* Print result */ Your understanding level in PHP is VERY GOOD! 
  • 13. Suresh P [email_address]