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//Relation Operator

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Relation Operator


  1.  <?php 

  3. $a = 21;  // '$' use for variables
  4. $b = 10;

  6. //equal to
  7. if ($a == $b) // (a=21 == b=10) is False; Therefore a is not equal to b.
  8.              //the two given values are equal to each other then result will be True, Otherwise it returns False.
  9. {
  10. echo "a is equal to b"."<br>";
  11. } 
  12. else 
  13. {
  14. echo "a is not equal to b"."<br>"; //"echo" use for print line.
  15. }

  17. //grater than
  18. if ($a > $b) //(a=21 > b=10) is True; Therefore a is grater than b.
  19.             //the first value is grater than the second value then result will be True, Otherwise it returns False.
  20. {
  21. echo "a is greater than b"."<br>";
  22. } 
  23. else
  24. {
  25. echo "a is not greater than b"."<br>"; //"<br>" use for linebreak.
  26. }

  28. //less than
  29. if ($a < $b) //(a=21 < b=10) is False; Therefore a is not less than b.
  30.             //the first value is less than the second value then result will be True, Otherwise it returns False.
  31. {
  32. echo "a is less than b"."<br>";
  33. } 
  34. else // when If condition  flase then; else condition executed.
  35. {
  36. echo "a is not less than b"."<br>";
  37. }

  39. //grater than or equal to
  40. if ($a >= $b) //(a=21 >= b=10) is True; Therefore a is grater than or equal to b.
  41.              //the first value is grater than or equal to the second value then result will be True, Otherwise it returns False.
  42. {
  43. echo "a is greater than or equal to b"."<br>";
  44. } 
  45. else 
  46. {
  47. echo "a is not greater than equal to b"."<br>";
  48. }

  50. //less than equal to
  51. if ($a <= $b) //(a=21 <= b=10) is False; Therefore a is not less than or equal to  b.
  52.              //the first value is less than or equal to  the second value then result will be True, Otherwise it returns False.
  53.  {
  54. echo "a is less than or equal to b"."<br>";
  55. } 
  56. else 
  57. {
  58. echo "a is not less than or equal to b"."<br>";
  59. }
  60. ?>


👉Execute👈


//Output

/*

//equal to

a is not equal to b


//grater than

a is greater than b


//less than

a is not less than b


//greater than or equal to

a is greater than or equal to b


//less than or equal to

a is not less than or equal to b

*/


                                                 //ThE ProFessoR