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Adam 2013-06-27 18:13:02 -07:00
parent dd3b8b3436
commit aa18e7301c
1 changed files with 5 additions and 4 deletions
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@ -159,7 +159,7 @@ $a > $b // TRUE if $a is strictly greater than $b.
$a <= $b // TRUE if $a is less than or equal to $b. $a <= $b // TRUE if $a is less than or equal to $b.
$a >= $b // TRUE if $a is greater than or equal to $b. $a >= $b // TRUE if $a is greater than or equal to $b.
// The following will only be true the values match and they are the same type. // The following will only be true if the values match and are the same type.
$a === $b // TRUE if $a is equal to $b, and they are of the same type. $a === $b // TRUE if $a is equal to $b, and they are of the same type.
$a !== $b // TRUE if $a is not equal to $b, or they are not of the same type. $a !== $b // TRUE if $a is not equal to $b, or they are not of the same type.
1 == '1' // TRUE 1 == '1' // TRUE
@ -334,8 +334,8 @@ number of letters, numbers, or underscores. There are three ways to declare func
```php ```php
<?php <?php
function my_function_name ($arg_1, $arg_2) { // $arg_1 and $arg_2 are required function my_function_name ($arg_1, $arg_2) {
// Do something with $arg_1 and $arg_2; // $arg_1 and $arg_2 are required
} }
// Functions may be nested to limit scope // Functions may be nested to limit scope
@ -344,7 +344,8 @@ function outer_function ($arg_1 = null) { // $arg_1 is optional
} }
} }
// inner_function() does not exist and cannot be called until outer_function() is called // inner_function() does not exist and cannot be called until
// outer_function() is called
``` ```
This enables [currying](http://en.wikipedia.org/wiki/Currying) in PHP. This enables [currying](http://en.wikipedia.org/wiki/Currying) in PHP.