Online PHP editor | output for kaHMN

@ 2014-09-18T21:37:54Z

<?php
error_reporting(0);

$results = array();
for($i = 0; $i < 10000; $i++) {
	$results[] = (object) rand(0, 100000);
}

$start = microtime(true);
for($i = 0; $i < 1000; $i++) {
    $alreadyOutput = array();
    foreach ($results as $result) {
       if(in_array($result->date, $alreadyOutput)){
           continue;
       }
       $alreadyOutput[] = $result->date; 
    }
}
echo "in_array: ".(microtime(true) - $start)."ms || ";

$start2 = microtime(true);
for($i = 0; $i < 1000; $i++) {
$echoedArray = array();
foreach ($results as $result) {
    if ($echoedArray[$result->date]) {
        continue;
    }
    $echoedArray[$result->date] = true;
}
}
echo "by key: ".(microtime(true) - $start2)."ms";

Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.20, 7.1.5, 7.1.7: Process exited with code 137.
Output for 7.1.6: in_array: 2.2881062030792ms ||
Process exited with code 137.
Output for 7.1.0: in_array: 2.1887409687042ms ||
Process exited with code 137.
Output for 7.0.14: in_array: 2.2460691928864ms ||
Process exited with code 137.
Output for 7.0.6: in_array: 2.3990919589996ms ||
Process exited with code 137.
Output for 7.0.5: in_array: 2.2436730861664ms ||
Process exited with code 137.
Output for 7.0.4: in_array: 2.2440919876099ms ||
Process exited with code 137.
Output for 7.0.3: in_array: 2.2589280605316ms ||
Process exited with code 137.
Output for 7.0.2: in_array: 2.2970550060272ms ||
Process exited with code 137.
Output for 7.0.1: in_array: 2.4009039402008ms ||
Process exited with code 137.
Output for 7.0.0: in_array: 2.2958719730377ms ||
Process exited with code 137.

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