php != provozovatel
$a == $b Equal TRUE if $a is equal to $b after type juggling.
$a === $b Identical TRUE if $a is equal to $b, and they are of the same type.
$a != $b Not equal TRUE if $a is not equal to $b after type juggling.
$a <> $b Not equal TRUE if $a is not equal to $b after type juggling.
$a !== $b Not identical TRUE if $a is not equal to $b, or they are not of the same type.
$a < $b Less than TRUE if $a is strictly less than $b.
$a > $b Greater than TRUE if $a is strictly greater than $b.
$a <= $b Less than or equal to TRUE if $a is less than or equal to $b.
$a >= $b Greater than or equal to TRUE if $a is greater than or equal to $b.
$a <=> $b Spaceship An integer less than, equal to, or greater than zero when $a is less than, equal to, or greater than $b, respectively. Available as of PHP 7.
Linux =>
PHP =>
//The double arrow operator, =>
//Used as an access mechanism for arrays.
//The left side will have a corresponding value on the right side in array.
//This can be used to set values into a corresponding index of an array.
//The index can be a string or number.
$myArray = array(
0 => 'Red',
1 => 'Orange',
2 => 'Yellow',
3 => 'Green'
);
pokud ne php
$a = true;
if(!$a) {
echo "False"; // Will return this
} else {
echo "True";
}
php pokud se proměnná rovná
<?php
// if given an variable to check or validate
$text = "issac";
if($text == "issac"){
echo "Cool";
}else{
echo "Huston, We've got a problem";
}
// result : Cool
//Symbol Guide:
// == ->> Equals to
// === ->> Strictly Equals to
// != ->> Not Equals to
// !== ->> Strictly not equals to
// Hope this helps Godspeed.
?>
php, pokud je menší než číslo
<?php
if ($a > $b)
echo "a is bigger than b";
?>
operátoři v php
if (condition)
code to be executed if condition is true;
else
code to be executed if condition is false;