<?php
$class = new stdClass;
$class->properties = [new stdClass,new stdClass, new stdClass];
$class->properties[0]->name = "Anne";
$class->properties[1]->name = "Bob";
$class->properties[2]->name = "Robin";
$fieldsA = [];
$fieldsB = [];
if ( array_walk( $class->properties, function( $o ) use ( &$fieldsA ){
$fieldsA[] = $o->name;
}) ) {
echo "\nMission accomplished:\n";
var_dump($fieldsA);
}
$fieldsB = array_map( function( $e ) {
return $e->name;
},$class->properties);
if (count($fieldsB) > 0) {
echo "\nMission accomplished:\n";
var_dump( $fieldsB );
}
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- Mission accomplished:
array(3) {
[0]=>
string(4) "Anne"
[1]=>
string(3) "Bob"
[2]=>
string(5) "Robin"
}
Mission accomplished:
array(3) {
[0]=>
string(4) "Anne"
[1]=>
string(3) "Bob"
[2]=>
string(5) "Robin"
}
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Mission accomplished:
array(3) {
[0]=>
string(4) "Anne"
[1]=>
string(3) "Bob"
[2]=>
string(5) "Robin"
}
Mission accomplished:
array(3) {
[0]=>
string(4) "Anne"
[1]=>
string(3) "Bob"
[2]=>
string(5) "Robin"
}
preferences:
224.15 ms | 402 KiB | 291 Q