<?php
// Array representing a possible record set returned from a database
$records = array(
'a' => array(
'id' => 2135,
'first_name' => 'John',
'last_name' => 'Doe',
),
'b' => array(
'id' => 3245,
'first_name' => 'Sally',
'last_name' => 'Smith',
),
'c' => array(
'id' => 5342,
'first_name' => 'Jane',
'last_name' => 'Jones',
),
'd' => array(
'id' => 5623,
'first_name' => 'Peter',
'last_name' => 'Doe',
)
);
$first_names = array_column($records, 'first_name');
print_r($first_names);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/llMrL
function name: (null)
number of ops: 10
compiled vars: !0 = $records, !1 = $first_names
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > ASSIGN !0, <array>
25 1 INIT_FCALL 'array_column'
2 SEND_VAR !0
3 SEND_VAL 'first_name'
4 DO_ICALL $3
5 ASSIGN !1, $3
26 6 INIT_FCALL 'print_r'
7 SEND_VAR !1
8 DO_ICALL
9 > RETURN 1
Generated using Vulcan Logic Dumper, using php 8.0.0
preferences:
162.67 ms | 1394 KiB | 17 Q