Classes (PHP): verschil tussen versies
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(Nieuwe pagina aangemaakt met '== Voorbeeld == <pre> <?php # ################################################################### # # Define class "A" ################## # class A { # Declare pr...') |
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| (3 tussenliggende versies door dezelfde gebruiker niet weergegeven) | |||
| Regel 26: | Regel 26: | ||
# | # | ||
echo $a -> foo."\n"; | echo $a -> foo."\n"; | ||
| − | |||
# Manipulate $foo | # Manipulate $foo | ||
| Regel 34: | Regel 33: | ||
echo $a -> foo."\n"; | echo $a -> foo."\n"; | ||
</pre> | </pre> | ||
| + | |||
| + | == Get methods == | ||
| + | |||
| + | Voorbeeld <code>get_class_methods</code> [https://www.php.net/manual/en/function.get-class-methods.php]: | ||
| + | |||
| + | <pre> | ||
| + | $sql="show databases;"; | ||
| + | $result = $conn->query($sql); | ||
| + | |||
| + | print_r(get_class_methods($conn)); | ||
| + | </pre> | ||
| + | |||
| + | == Get properties == | ||
| + | |||
| + | Voorbeeld <code>get_objects_vars</code> [https://www.php.net/manual/en/function.get-object-vars.php]: | ||
| + | |||
| + | <pre> | ||
| + | sql="show databases;"; | ||
| + | $result = $conn->query($sql); | ||
| + | |||
| + | print_r(get_object_vars($conn)); | ||
| + | </pre> | ||
| + | |||
| + | == Zie ook == | ||
| + | |||
| + | * [[Arrays (PHP)]] | ||
== Bronnen == | == Bronnen == | ||
* https://www.php.net/manual/en/language.oop5.references.php | * https://www.php.net/manual/en/language.oop5.references.php | ||
Versie van 30 apr 2019 17:59
Voorbeeld
<?php
#
###################################################################
#
# Define class "A"
##################
#
class A
{
# Declare proptery & assign value
##################################
#
public $foo = 1;
}
# Instantiate object class A
############################
#
$a = new A;
# Print propery $foo
####################
#
echo $a -> foo."\n";
# Manipulate $foo
####################
#
$a->foo = 12;
echo $a -> foo."\n";
Get methods
Voorbeeld get_class_methods [1]:
$sql="show databases;"; $result = $conn->query($sql); print_r(get_class_methods($conn));
Get properties
Voorbeeld get_objects_vars [2]:
sql="show databases;"; $result = $conn->query($sql); print_r(get_object_vars($conn));