This section lists the different operators used in PHP.

**Arithmetic Operators**

Operator | Description | Example | Result |
---|---|---|---|

+ | Addition | x=2 x+2 |
4 |

– | Subtraction | x=2 5-x |
3 |

* | Multiplication | x=4 x*5 |
20 |

/ | Division | 15/5 5/2 |
3 2.5 |

% | Modulus (division remainder) | 5%2 10%8 10%2 |
1 2 0 |

++ | Increment | x=5 x++ |
x=6 |

— | Decrement | x=5 x– |
x=4 |

**Assignment Operators**

Operator | Example | Is The Same As |
---|---|---|

= | x=y | x=y |

+= | x+=y | x=x+y |

-= | x-=y | x=x-y |

*= | x*=y | x=x*y |

/= | x/=y | x=x/y |

.= | x.=y | x=x.y |

%= | x%=y | x=x%y |

**Comparison Operators**

Operator | Description | Example |
---|---|---|

== | is equal to | 5==8 returns false |

!= | is not equal | 5!=8 returns true |

<> | is not equal | 5<>8 returns true |

> | is greater than | 5>8 returns false |

< | is less than | 5<8 returns true |

>= | is greater than or equal to | 5>=8 returns false |

<= | is less than or equal to | 5<=8 returns true |

**Logical Operators**

Operator | Description | Example |
---|---|---|

&& | and | x=6 y=3(x < 10 && y > 1) returns true |

|| | or | x=6 y=3(x==5 || y==5) returns false |

! | not | x=6 y=3!(x==y) returns true |

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