PHP If Statement :-
IF Conditional का use Specify Conditional के अनुसार Statement को Execute करने के लिए होता है यदि Condition true होती है तो Statement Execute होता है ।
यह सबसे simplest Conditional Statement है । IF Condition का Syntax निम्न है
if(condition){
// code to be executed if condition is true;
}
If Condition को समझने के लिए हम Following Example देखते है , निम्न Example मे date("D") एक date function है जो कि system के Current day को return करता है ।
date() - date function local date and time format तथा formatted date string को return करने के लिए use आता है
Date function Syntax- date(format,timestamp);
| Parameter |
Description |
| format |
Required. Specifies the format of the outputted date string. The
following characters can be used:
- d - The day of the month (from 01 to 31)
- D - A textual representation of a day (three letters)
- j - The day of the month without leading zeros (1 to 31)
- l (lowercase 'L') - A full textual representation of a day
- N - The ISO-8601 numeric representation of a day (1 for Monday, 7 for Sunday)
- S - The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
- w - A numeric representation of the day (0 for Sunday, 6 for Saturday)
- z - The day of the year (from 0 through 365)
- F - A full textual representation of a month (January through December)
- m - A numeric representation of a month (from 01 to 12)
- M - A short textual representation of a month (three letters)
- n - A numeric representation of a month, without leading zeros (1 to 12)
- t - The number of days in the given month
- L - Whether it's a leap year (1 if it is a leap year, 0 otherwise)
- Y - A four digit representation of a year
- y - A two digit representation of a year
- a - Lowercase am or pm
- A - Uppercase AM or PM
- g - 12-hour format of an hour (1 to 12)
- G - 24-hour format of an hour (0 to 23)
- h - 12-hour format of an hour (01 to 12)
- H - 24-hour format of an hour (00 to 23)
- i - Minutes with leading zeros (00 to 59)
- s - Seconds, with leading zeros (00 to 59)
|
| timestamp |
Optional. Specifies an integer Unix timestamp. Default is the current
local time (time()) |
Example
<?php
$d = date("D");if($d == "Tue"){ echo "Have a nice day!";
}
?>
उपरोक्त code को जब Browser पर run करते है तो यह following Output Produce करता है
Figure:- If Condition Output