# PHP Operators Examples

# PHP Arithematic Operators

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

x + y | Addition | Sum of x and y | 2 + 2 | 4 |

x – y | Subtraction | Difference of x and y | 5 – 2 | 3 |

x * y | Multiplication | Product of x and y | 5 * 2 | 10 |

x / y | Division | Quotient of x and y | 15 / 5 | 3 |

x % y | Modulus | Remainder of x divided by y | 5 % 210 % 8
10 % 2 |
12
0 |

– x | Negation | Opposite of x | – 2 | |

a . b | Concatenation | Concatenate two strings | “Hi” . “Ha” | HiHa |

# PHP Assignment Operators

Assignment | Same as… | Description |
---|---|---|

x = y | x = y | The left operand gets set to the value of the expression on the right |

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

x -= y | x = x – y | Subtraction |

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

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

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

a .= b | a = a . b | Concatenate two strings |

# PHP Incrementing/Decrementing Operators

Operator | Name | Description |
---|---|---|

++ x | Pre-increment | Increments x by one, then returns x |

x ++ | Post-increment | Returns x, then increments x by one |

— x | Pre-decrement | Decrements x by one, then returns x |

x — | Post-decrement | Returns x, then decrements x by one |

# PHP Comparison Operators

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

x == y | Equal | True if x is equal to y | 5==8 returns false |

x === y | Identical | True if x is equal to y, and they are of same type | 5===”5″ returns false |

x != y | Not equal | True if x is not equal to y | 5!=8 returns true |

x <> y | Not equal | True if x is not equal to y | 5<>8 returns true |

x !== y | Not identical | True if x is not equal to y, or they are not of same type | 5!==”5″ returns true |

x > y | Greater than | True if x is greater than y | 5>8 returns false |

x < y | Less than | True if x is less than y | 5<8 returns true |

x >= y | Greater than or equal to | True if x is greater than or equal to y | 5>=8 returns false |

x <= y | Less than or equal to | True if x is less than or equal to y | 5<=8 returns true |

# PHP Logical Operators

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

x and y | And | True if both x and y are true | x=6 y=3 (x < 10 and y > 1) returns true |

x or y | Or | True if either or both x and y are true | x=6 y=3 (x==6 or y==5) returns true |

x xor y | Xor | True if either x or y is true, but not both | x=6 y=3 (x==6 xor y==3) returns false |

x && y | And | True if both x and y are true | x=6 y=3 (x < 10 && y > 1) returns true |

x || y | Or | True if either or both x and y are true | x=6 y=3 (x==5 || y==5) returns false |

! x | Not | True if x is not true | x=6 y=3 !(x==y) returns true |

# PHP Array Operators

Operator | Name | Description |
---|---|---|

x + y | Union | Union of x and y |

x == y | Equality | True if x and y have the same key/value pairs |

x === y | Identity | True if x and y have the same key/value pairs in the same order and are of the same type |

x != y | Inequality | True if x is not equal to y |

x <> y | Inequality | True if x is not equal to y |

x !== y | Non-identity | True if x is not identical to y |

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Keep up the great work