<?php
$data = array("28000000000000003" => 'ABC',"28000000000000001" => 'PQR');
$keys = array("28000000000000003","28000000000000001");
$keysDerived = array_keys($data);
var_dump($keys == $keysDerived, $keys === $keysDerived);
var_dump($keys,$keysDerived);
var_dump(in_array("28000000000000003", $keysDerived, true));
var_dump(in_array("28000000000000003", $keysDerived));
var_dump(in_array("28000000000000003", $keys, true));
var_dump(in_array("28000000000000003", $keys));
foreach ( $data as $k => $d ) {
foreach ( $keys as $key ) {
if ($key == $k) {
var_dump($k, "=", $key);
}
if ($key === $k) {
var_dump($k, "===", $key);
}
}
}
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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 - 8.3.6
- bool(true)
bool(false)
array(2) {
[0]=>
string(17) "28000000000000003"
[1]=>
string(17) "28000000000000001"
}
array(2) {
[0]=>
int(28000000000000003)
[1]=>
int(28000000000000001)
}
bool(false)
bool(true)
bool(true)
bool(true)
int(28000000000000003)
string(1) "="
string(17) "28000000000000003"
int(28000000000000001)
string(1) "="
string(17) "28000000000000001"
preferences:
221.12 ms | 406 KiB | 348 Q