<?php
$array = [
"foo" => "no",
"foo_contact_firstname" => "Mark",
"foo_email" => "mark@gmail.com",
"foo_address1" => "91",
"foo_address2" => "old road",
"foo_bill" => "no",
"bar" => "yes",
"bar_contact_lastname" => null,
"bar_telephone" => null,
"bar_email" => null,
"bar_address1" => null,
"bar_address2" => null,
"bar_address3" => null,
"bar_address4" => null,
"bar_address5" => null,
"bar_postcode" => null,
"register_contact_firstname" => null,
"register_contact_lastname" => null,
"register_telephone" => null,
"register_email" => null,
"register_address1" => null,
"register_address2" => null,
"register_address3" => null,
"register_address4" => null,
"register_address5" => null,
"register_postcode" => null,
];
$test = array_filter($array, function($key) {
if( ($x_pos = strpos($key, 'foo')) !== FALSE ){
return substr($key, $x_pos + 1);
}
}, ARRAY_FILTER_USE_KEY );
var_dump($test);
- Output for 5.6.38, 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
- array(6) {
["foo"]=>
string(2) "no"
["foo_contact_firstname"]=>
string(4) "Mark"
["foo_email"]=>
string(14) "mark@gmail.com"
["foo_address1"]=>
string(2) "91"
["foo_address2"]=>
string(8) "old road"
["foo_bill"]=>
string(2) "no"
}
- 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
array(6) {
["foo"]=>
string(2) "no"
["foo_contact_firstname"]=>
string(4) "Mark"
["foo_email"]=>
string(14) "mark@gmail.com"
["foo_address1"]=>
string(2) "91"
["foo_address2"]=>
string(8) "old road"
["foo_bill"]=>
string(2) "no"
}
preferences:
153.47 ms | 402 KiB | 203 Q